Wood Species Database

If a species is not footnoted with a number (1-18), then the specific gravity for that species has not been verified by Wagner. In most cases, with unverified species, these species have the same botanical name as the verified version but just a different common name. Many species (botanical name) in the world have many different common names. The footnote descriptions are shown at the bottom of the page.*

Wood Species Types in Alphabetical Order

To obtain the most accurate moisture content measurements with your Wagner moisture meter, you must set the meter for the correct species settings value for the species you are going to measure. For our customers' convenience, we have calibrated our meter's species settings in terms of specific gravity.*

For those instances where you need to measure moisture in a wood species that is not shown in your User’s Manual, Wagner has compiled this extensive database of wood species with their associated specific gravity values.

The sources for our database include the United States Department of Agriculture, Forest Products Laboratory.

The published specific gravity values are the average for each species. There can and will be some variability of the specific gravity (density) within any species of wood, but the average specific gravity value (again, from the most valid published sources) will provide the best settings for your Wagner moisture meter.

Common NameBotanical NameSpecific GravityVerified
A KouraLophira alata0.94
AbaLophira alata0.94
AbacateiroHieronyma alchorneoides0.58
Triplochiton scleroxylon0.32
AbacuTieghemella heckelii0.60
AbakoTieghemella heckelii0.60
AbakuTieghemella heckelii0.60

Abang

Chlorophora excelsa0.70
AbangChlorophora regia0.59
Buxus sempervirens0.83
Hymenaea courbaril0.83
Hymenaea courbaril0.83
Hymenaea courbaril0.83
AbbihalErythrophloeum densiflorum0.68
AbecouTieghemella heckelii0.60
AbeilleManilkara bidentata0.95
AbemBerlinia acuminata0.64
AbenbelePouteria izabalensis0.64
AbnusDiospyros ebenum0.84
AbogoIsoberlinia doka0.63
AbomeMusanga cecropioides0.23
AborzokMammea africana0.69
AborzoleMammea africana0.69
AbotoasebieMammea africana0.69
AbotzokMammea africana0.69
Abrico do ParaMammea americana0.74
AbricotMammea americana0.74
Abricot de Saint DomingueMammea americana0.74
Abricot des AntillesMammea americana0.74
Abricot du PaysMammea americana0.74
AbricoteiroMammea americana0.74
AbricotierMammea americana0.74
Abricotier d'AmeriqueMammea americana0.74
AbrompesowaMammea africana0.69
AburaMitragyna ciliata0.52
AburaMitragyna stipulosa0.53

Diospyros ebenum
0.94
Albizia lebbeck
0.54
AcaciaAlbizia procera0.55
Robinia pseudoacacia0.69
Hura crepitans0.40
AcaiquaraMinquartia guianensis0.83
Swietenia macrophylla0.47
AcajouSwietenia mahagoni0.57
Swietenia macrophylla0.47
Swietenia macrophylla0.47
Acajou de CubaSickingia salvadorense0.65
Acajou de CubaSwietenia mahagoni0.57
Acajou de Saint DomingueSwietenia mahagoni0.57
Acajou de St. DomingueSickingia salvadorense0.65
Acajou de St. DomingueSwietenia mahagoni0.57
Acajou des AntillesSwietenia mahagoni0.57
Swietenia macrophylla0.47
Acajou RougeCedrela huberi0.404
Cedrela odorata0.39
Khaya nyassica0.44
AcanaManilkara bidentata0.95
AcanaPouteria izabalensis0.64
AcanaPouteria pomifera0.84

Tabebuia serratifolia0.99
AcapuMinquartia guianensis0.83
Acar-HuacapuMinquartia guianensis0.83
AcaricaaraMinquartia guianensis0.83
AcaricoaraMinquartia guianensis0.83
AcaricuaraMinquartia guianensis0.83
AcariobaMinquartia guianensis0.83
AcariquaraMinquartia guianensis0.83
Hura crepitans0.40
Platymiscium pinnatum0.87

Diospyros ebenum0.94
AchiBrachystegia laurentii0.57
AchiwaVochysia guianensis0.52
AcrotAleurites moluccana0.14
Hura crepitans0.40
Hura crepitans0.40
AdaTerminalia ivorensis0.54
Ada boumbraTerminalia ivorensis0.54
AdaanAlbizia procera0.55
AdarounaCatostemma fragrans0.66
Astronium graveolens0.89
Astronium graveolens0.80
Adirondack SprucePicea glauca0.363
AdjouabaDacryodes le testui0.56
Turraeanthus africanus0.51
Terminalia superba0.40
Terminalia superba0.40
Afara DucluTerminalia ivorensis0.54
Afara DuduTerminalia ivorensis0.54
Afara-DuduTerminalia ivorensis0.54
AfasVitex cofassus0.67
AfiaTerminalia ivorensis0.54
Terminalia superba0.40
AfoPoga oleosa0.39
Terminalia superba0.40
Afop ZamMitragyna stipulosa0.53
Terminalia superba0.40
Afrikaans PadoekPterocarpus soyauxii0.64
African AppleMammea africana0.69
African ApricotMammea africana0.69
African Black WalnutMansonia altissima0.55
African BoxwoodGonioma kamassi0.85
African Brazil NutPoga oleosa0.39
Triplochiton scleroxylon0.32
African CherryTieghemella heckelii0.60
Pterocarpus soyauxii0.64
African CorkwoodMusanga cecropioides0.23
African EbonyDiospyros ebenum0.9410
Turraeanthus africanus0.51
African GreenheartPiptadeniastrum africanum0.63
African GreenheartTerminalia ivorensis0.54
African HomaliumHomalium dolicophyllum0.63
African LindenMitragyna stipulosa0.53
African MahoganyKhaya nyassica0.442
African Mammea AppleMammea africana0.69
African Mammy AppleMammea africana0.69
African MangoIrvingia gabonensis0.76
Triplochiton scleroxylon0.32
African OakChlorophora excelsa0.70
African OakLophira alata0.94
African PadaukPterocarpus soyauxii0.644
African PterygotaPterygota bequaertii0.53
African PterygotaPterygota macrocarpa0.54
African RosewoodGuibourtia coleosperma0.66
Turraeanthus africanus0.51
African TeakChlorophora excelsa0.70
African TulipSpathodea campanulata0.25
African TuliptreeSpathodea campanulata0.25
African WalnutLovoa trichiliodes0.46
African WalnutMansonia altissima0.55
Triplochiton scleroxylon0.32
African Yellow WoodTerminalia ivorensis0.54
Microberlinia brazzavillensis0.77
Pterocarpus soyauxii0.64
Pterocarpus soyauxii0.64
Pterocarpus soyauxii0.64
Pterocarpus soyauxii0.64
AfrormosiaPericopsis elata0.65
2
AfunMansonia altissima0.55
AfzeliaAfzelia bipindensis0.62
AfzeliaAfzelia pachyloba0.62
AfzeliaAfzelia quanzensis0.62
Aga Umbrella TreeMusanga cecropioides0.23
AgamokiveTieghemella heckelii0.60
AgamokweTieghemella heckelii0.60
AgananangaCatostemma fragrans0.66
AganokpeTieghemella heckelii0.60
AganokweMimusops heckelii0.55
AganokweTieghemella heckelii0.60
Turraeanthus africanus0.51
AgbionPiptadeniastrum africanum0.63
AgboinPiptadeniastrum africanum0.63
AgbomeMusanga cecropioides0.23
AgbonsIrvingia gabonensis0.76
Turraeanthus africanus0.51
Turraeanthus africanus0.51
Turraeanthus africanus0.51
AggaiDillenia pentagyna0.55
Terminalia superba0.40
AgidilifMitragyna stipulosa0.53
AglaiaAglaia gigantea0.54
AgofaMitragyna ciliata0.52
AgohoCasuarina equisetifolia0.87
AgokoCasuarina equisetifolia0.87
AgooCasuarina equisetifolia0.87
AgosoCasuarina equisetifolia0.87
AgoumiMusanga cecropioides0.23
AgracejoGossypiospermum praecox0.77
Agracejo de MonteGossypiospermum praecox0.77
AguacatilloHieronyma alchorneoides0.58
AguacatilloHyeronyma laxiflora0.58
AguanoSickingia salvadorense0.65
Swietenia macrophylla0.47
AguanoSwietenia mahagoni0.57
AguarasTetragastris altissima0.74
AguayPouteria pomifera0.84
AguiChlorophora excelsa0.70
AgulasingAglaia gigantea0.54
Pometia pinnata0.60
AgyemkamaMusanga cecropioides0.23
AhornAcer campestre0.55
AhsangVitex cofassus0.67
Taxodium distichum0.46
Taxodium distichum0.46
Ai Fra MasIntsia bijuga0.65
Pometia pinnata0.60
AibuSyzygium buettnerianum0.73
AimelaSyzygium buettnerianum0.73
AineeArtocarpus hirsuta0.52
AinunuraGonystylus macrophyllum0.54
AisarufaSyzygium buettnerianum0.73
AiyanepeloArtocarpus hirsuta0.52
AiyoAfzelia quanzensis0.62
AizellaIntsia bijuga0.65
AizellaIntsia palembanica0.65
Aj’Caryocar villosum0.76
AjamaMusanga cecropioides0.23
AjoCordia alliodora0.51
Ajo ajoCordia alliodora0.51
AjoajoCordia alliodora0.51
Triplochiton scleroxylon0.32
AkagaouanBombax brevicuspe0.35
Terminalia superba0.40
AkasanumuPiptadeniastrum africanum0.63
AkePterygota bequaertii0.53
AkePterygota macrocarpa0.54
AkeTestulea gabonensis0.76
AkecheAntiaris toxicaria0.35
AkedeChlorophora excelsa0.70
AkewaTestulea gabonensis0.76
AkeweTestulea gabonensis0.76
Tabebuia serratifolia0.99
Tabebuia serratifolia0.99
Pometia pinnata0.60
AkleAlbizia procera0.55
Akleng parangAlbizia procera0.55
AkoAntiaris toxicaria0.35
Pometia pinnata0.60
AkogaLophira alata0.94
AkogkaLophira alata0.94
AkogoLophira alata0.94
AkokBeilschmiedia mannii0.62
AkolodoBrachystegia laurentii0.57
Terminalia superba0.40
AkotDrypetes gossweileri0.63
AkpakossoMitragyna stipulosa0.53
AkpakplaLophira alata0.94
AkrodAleurites moluccana0.14
Castanea sativa0.51
Pterocarpus soyauxii0.64
Cedrela odorata0.39
Pometia pinnata0.60
AkwakwaOxystigma oxyphyllum0.53
Tabebuia serratifolia0.99
AlalPinus insularis0.50
AlalangadAlbizia procera0.55
AlamagAglaia gigantea0.54
Populus tremuloides0.38
Tabebuia serratifolia0.99
AlangilanCanangium odoratum0.28
Pometia pinnata0.60
Tabebuia serratifolia0.99
Tabebuia serratifolia0.99
Alaska CedarChamaecyparis nootkatensis0.443
Chamaecyparis nootkatensis0.44
Chamaecyparis nootkatensis0.44
Larix laricina0.53
Tsuga heterophylla0.45
Chamaecyparis nootkatensis0.44
Albero di PaternosterMelia azedarach0.51
AlbizziaAlbizia procera0.55
Tabebuia serratifolia0.99
AlcarretoAspidosperma desmanthum0.65
AlcornoqueMora excelsa0.89
AlderAlnus glutinosa0.41
AlderAlnus nepalensis0.26
Alnus rubra0.41
AlelailaMelia azedarach0.51
AleliMelia azedarach0.51
Alexandrian LaurelCalophyllum inophyllum0.55
Hymenaea courbaril0.83
Hymenaea courbaril0.83
Hymenaea courbaril0.83
Prioria copaifera0.42
AlignaAfzelia bipindensis0.62
AlignaAfzelia pachyloba0.62
AlignaAfzelia quanzensis0.62
AlilailaMelia azedarach0.51
Al-langiganCanangium odoratum0.28
Allen EleMicroberlinia brazzavillensis0.773
Liquidambar styraciflua0.52
AlmUlmus glabra0.53
AlmacigaAgathis borneensis0.41
AlmacigaAgathis philippinensis0.33
Astronium graveolens
0.89
Astronium graveolens0.80
AlmendrilloCaryocar villosum0.76
Almendr—nCaryocar villosum0.76
AlmendroCaryocar villosum0.76
AlmendroDipteryx odorata0.82
AlmendroTerminalia amazonia0.76
AlmendroTerminalia amazonica0.76
AlmiquiManilkara bidentata0.95
AlmonShorea contorta0.374
AlmonShorea leprosula0.504
AlmonShorea leptoclados0.384
AlmonShorea smithiana0.434
Alm ŽndroCaryocar villosum0.76
AloeExcoecaria agallocha0.42
Alona WoodLovoa trichiliodes0.46
AloneBombax brevicuspe0.35
AloneBombax chevalieri0.51
Pometia pinnata0.60
Abies amabilis0.43
Abies lasiocarpa0.32
Tabebuia serratifolia0.99
AluppeBassia latifolia0.82
Abies amabilis0.43
AmaceyTetragastris altissima0.74
Prioria copaifera0.42
Prioria copaifera0.42
Tabebuia serratifolia0.99
Amapa PrietaTabebuia serratifolia0.994
Tabebuia serratifolia0.99
Tabebuia serratifolia0.99
Amapa RanaBrosimum rubescens0.63
AmapolaSpathodea campanulata0.25
AmarantePeltogyne porphyrocardia0.69
AmarantePeltogyne venosa0.69
AmaranthPeltogyne porphyrocardia0.69
AmaranthPeltogyne venosa0.69
AmaratantePeltogyne venosa0.69
Plathymenia reticulata0.56
Plathymenia reticulata0.56
AmarilloCordia alliodora0.51
Amarillo CarabazueloTerminalia amazonia0.76
Amarillo CarabazueloTerminalia amazonica0.76
Amarillo de PanamaTerminalia amazonia0.76
AmarillonTerminalia amazonia0.76
AmatTetramerista glabra0.73
AmayaMusanga cecropioides0.23
AmazakoueGuibourtia ehie0.714
AmazoueGuibourtia ehie0.714
Pterocarpus angolensis0.59
Am-bopMitragyna stipulosa0.53
AmboynaPterocarpus indicus0.573
AmbugisKoordersiodendron pinnatum0.71
AmburanaAmburana cearensis0.584
Amburana cearensis0.58
Plathymenia reticulata0.56
Fraxinus americana0.60
Fraxinus pennsylvanica0.56
American Basswood
Tilia americana0.371
American BeechFagus grandifolia0.641
Betula alleghaniensis0.62
Betula papyrifera0.55
Fraxinus nigra0.49
Prunus serotina0.50
Juglans nigra0.55
American ChestnutCastanea dentata0.431
Diospyros virginiana0.71
American ElmUlmus americana0.501
Tsuga canadensis0.40
American HollyIlex opaca0.553
American TornbeamCarpinus caroliniana0.64
Larix laricina0.53
American Light CordiaCordia alliodora0.51
Tilia americana0.37
Tilia americana0.37

Swietenia macrophylla0.47
Pinus elliottii0.59

Pinus palustris0.59

Platanus occidentalis0.49

Platanus occidentalis0.49

Platanus occidentalis0.49
Liquidambar styraciflua0.52
Quercus rubra0.63
Pinus resinosa0.46
Liquidambar styraciflua0.52
American SycamorePlatanus occidentalis0.491
Liriodendron tulipifera0.42
Juglans nigra0.55

Platanus occidentalis0.49
Betula papyrifera0.55
Liriodendron tulipifera0.42
Pinus strobus0.35

Swietenia macrophylla0.47

Swietenia macrophylla0.47
AmesclaoTetragastris altissima0.74
AmireTerminalia ivorensis0.54
AmongianPygeum turnerianum0.44
Microberlinia brazzavillensis0.77
AmpasKoompassia malaccensis0.76
AmpiraTerminalia ivorensis0.54
AmuganPygeum turnerianum0.44
AmugisKoordersiodendron pinnatum0.71
AmunuPodocarpus guatemalensis0.54
AmunuPodocarpus neriifolia0.48
Terminalia superba0.40
AnakinVirola surinamensis0.51
AnamenilaLovoa trichiliodes0.46
AnangDiospyros pyrrhocarpa0.6914
Anang GulodDiospyros inclusa0.7014
AnangibangCanangium odoratum0.28
AnangilanCanangium odoratum0.28
AnangossitiTerminalia amazonia0.76
AnaniVochysia guianensis0.52
AnaniwanaHyeronyma laxiflora0.58
AnaplaAlbizia procera0.55
AnatoliaPterygota bequaertii0.53
AnatoliaPterygota macrocarpa0.54
Andaman GurjunDipterocarpus grandiflorus0.68
Andaman PadaukPterocarpus dalbergioides0.653
Pterocarpus indicus0.57
Pterocarpus indicus0.57
Andaman ThinganHopea odorata0.63
AndindingMitragyna ciliata0.52
AndinidingMitragyna ciliata0.52
AndirobaCarapa guianensis
0.572
AndjungDidelotia brevipaniculata0.54
AndocIrvingia gabonensis0.76
AndokIrvingia gabonensis0.76
Andok ObaIrvingia gabonensis0.76
AndoumAntiaris toxicaria0.35
AndoungDidelotia brevipaniculata0.54
Turraeanthus africanus0.51
AnegreAningeria altissima0.42
AnegreAningeria dombeyi0.39
AnegreAningeria robusta0.42
AnesitaMelia azedarach0.51
An'fekanMusanga cecropioides0.23
AngalePoga oleosa0.39
AngariaPhoebe hainesiana0.43
AngatuanAlangium meyeri0.56
An-gbaBeilschmiedia mannii0.62
An-gbereIrvingia gabonensis0.76
Amburana cearensis0.58
Angelim RajadoMarmaroxylon racemosum1.07
Angelin RajadoMarmaroxylon racemosum1.07
AnglaiIntsia palembanica0.65
Ang-Menga-MengaStaudtia stipitata0.79
AngouchiTerminalia amazonia0.76
Pterocarpus indicus0.57
AngsanaPterocarpus indicus0.573
AnguDipterocarpus basilanicus0.54
AnguDipterocarpus warburgii0.53
AnguPterocarpus marsupium0.714
AnguPterocarpus vernalis0.63
Turraeanthus africanus0.51
Aniba RosewoodAniba duckei0.56
AnidjaTerminalia ivorensis0.54
AniegreAningeria altissima0.42
AniegreAningeria dombeyi0.39
AniegreAningeria robusta0.42
Hymenaea courbaril0.83
AninaplaAlbizia procera0.55
AningeriaAningeria altissima0.42
AningeriaAningeria dombeyi0.39
AningeriaAningeria robusta0.42
Aningeria BlancAningeria altissima0.42
AningreAningeria altissima0.42
AningreAningeria dombeyi0.39
AningreAningeria robusta0.42
Aningueri BlancAningeria dombeyi0.39
Aningueri BlancAningeria robusta0.42
AnjalliArtocarpus hirsuta0.52
AnjiliArtocarpus hirsuta0.52
AnoanoVitex cofassus0.67
AnoiAleurites moluccana0.14
AnokyeGuibourtia ehie0.714
Millettia laurentii0.81
AnongoTurpinia ovalifolia0.36
AnoniwanaHieronyma alchorneoides0.58
AnonoXanthophyllum excelsum0.67
AnsiopiAnisoptera costata0.52
AntiarisAntiaris toxicaria0.35
Antillen MahoganiSwietenia mahagoni0.57
AntipoloArtocarpus hirsuta0.52
AnubingArtocarpus ovata0.46
Turraeanthus africanus0.51
AnyiMansonia altissima0.55
Tabebuia serratifolia0.99
ApaAfzelia bipindensis0.62
ApaAfzelia pachyloba0.62
ApaAfzelia quanzensis0.62

Turraeanthus africanus0.51

Turraeanthus africanus0.51
Turraeanthus africanus0.51
ApegyaMammea africana0.69
Turraeanthus africanus0.51
ApiDiplodiscus paniculatus0.62
ApiaMorus mesozygia0.71
ApitanPygeum turnerianum0.44
ApitongDipterocarpus basilanicus0.54
ApitongDipterocarpus grandiflorus0.68
ApitongDipterocarpus warburgii0.53
ApixunaMicropholis guianensis0.67
Shorea negrosensis0.59
ApopoLovoa trichiliodes0.46
Turraeanthus africanus0.51
AppleMalus pumila0.64
AprendMansonia altissima0.55
ApricotMammea americana0.74
ApronoMansonia altissima0.55
AptakasCalophyllum inophyllum0.55
AquacatilloHieronyma alchorneoides0.58
AquacatilloHyeronyma laxiflora0.58

Swietenia macrophylla0.47

Swietenia macrophylla0.47
Tabebuia serratifolia0.99
AracaTerminalia amazonia0.76
AracanAspidosperma desmanthum0.65
AraciubaMinquartia guianensis0.83
Tabebuia serratifolia0.99
Tabebuia serratifolia0.99
AraltaMinquartia guianensis0.83
ArangenAglaia gigantea0.54
Pterocarpus soyauxii0.64


Swietenia macrophylla0.47
AraracangaAspidosperma desmanthum0.65
AraraubaAspidosperma desmanthum0.65


Triplochiton scleroxylon0.32
AraribaSickingia salvadorense0.65
AraruetPygeum africanum0.61
Arata MinquarMinquartia guianensis0.83
Astronium graveolens0.89
Astronium graveolens0.80
Hymenaea courbaril0.83
ArattaMinquartia guianensis0.83
Araucaria angustifolia0.49
Tabebuia serratifolia0.99
Tabebuia serratifolia0.99
Tabebuia serratifolia0.99
Arbe a BuerreCaryocar villosum0.76
Arbol de IndiasAleurites moluccana0.14
Arbol de PaternosterMelia azedarach0.51
Arbol del AjoCordia alliodora0.51
Hura crepitans0.40
Thuja occidentalis0.31
Thuja occidentalis0.31
Thuja plicata0.32
Hura crepitans0.40
Arbre de PaternosterMelia azedarach0.51
Arbutus menziesii0.64
Pinus sylvestris0.45
Tabebuia serratifolia0.99
Tabebuia serratifolia0.99
Hura crepitans0.40
Hura crepitans0.40
ArenilloCatostemma fragrans0.66
Triplochiton scleroxylon0.32
Hura crepitans0.40
AricuranaHieronyma alchorneoides0.58
Quercus alba0.68
Picea engelmannii0.35
Quercus alba0.68
ArjunTerminalia arjuna0.71
Arkansas OakQuercus arkansana0.53
Arkansas Water OakQuercus arkansana0.53
ArmaniuriAnisoptera costata0.52
Astronium graveolens0.89
Astronium graveolens0.80
Astronium graveolens0.89
Astronium graveolens0.80
AromillaTerminalia amazonica0.76
ArooCasuarina equisetifolia0.87
Tabebuia serratifolia0.99
Tabebuia serratifolia0.99
Tabebuia serratifolia0.99
ArridaCampnosperma brevipetiolata0.33
AruCasuarina equisetifolia0.87
Tabebuia serratifolia0.99
Shorea negrosensis0.59
ArupagAglaia gigantea0.54
Hymenaea courbaril0.83
AsakaTieghemella heckelii0.60
AsamMangifera altissima0.52
AsamMangifera indica0.53
Pometia pinnata0.60
AsamfonaAningeria altissima0.42
AsanPopulus ciliata0.37
Asang BitumVitex cofassus0.67
AsapokoPouteria izabalensis0.64
AsasBridelia aubrevillei0.59
Fraxinus americana0.60
AshFraxinus excelsior0.5814
Fraxinus nigra0.49
Fraxinus pennsylvanica0.56
Ashleaf MapleAcer negundo0.452
Hura crepitans0.40
AsombaAnisoptera costata0.52
AsoreLophira alata0.94
Populus tremuloides0.38
Populus tremuloides0.38
Hura crepitans0.40
Turraeanthus africanus0.51
Buxus sempervirens0.83
AssanMusanga cecropioides0.23
AssangMusanga cecropioides0.23
AssasBridelia aubrevillei0.59
AssengMusanga cecropioides0.23
AssiaDacryodes le testui0.56
Hymenaea courbaril0.83
Ata ataDiospyros mindanaensis0.7814
Pometia pinnata0.60
AtchiuponMitragyna ciliata0.52
AtejeCordia collococea0.50
AterebaEschweilera sagotiana0.90
AthaMesua ferrea0.92
AtiokouoBeilschmiedia mannii0.62
AtiokwoBeilschmiedia mannii0.62
Atlantic White CedarChamaecyparis thyoides0.321
Cedrela odorata0.39
AttakaMitragyna parvifolia0.59
AtuiPiptadeniastrum africanum0.63
AtzapolquahuitlPouteria pomifera0.84
AtzapotlPouteria izabalensis0.64
Aulne NoirAlnus glutinosa0.41
AuneAlnus glutinosa0.41
Aune CommuneAlnus glutinosa0.41
Aupar KwipariLoxopterygium sagotii0.62
AusManilkara bidentata0.95
AusaboManilkara bidentata0.95
Araucaria cunninghamii0.44
Australian BeefwoodCasuarina equisetifolia0.87
Australian Black AcaciaAcacia melanoxylon0.54
Australian BlackwoodAcacia melanoxylon0.54
Australian CedarCedrela toona0.47
Callitris glauca0.59
Australian Grey Bastard BoxEucalyptus hemiphloia0.93
Australian MapleFlindersia pimenteliana0.51
Australian MapleFlindersia pubescens0.60
Eucalyptus obliqua0.68
Australian PineCasuarina equisetifolia0.87
Australian Red CedarCedrela toona0.47
Australian Red-CedarCedrela toona0.47
Australian silky oakGrevillea robusta0.54
Australian Silky-OakGrevillea robusta0.54
Austrian OakQuercus petraea0.65
Quercus robur0.57
Pinus strobus0.35
AusuboManilkara bidentata0.95
AususExcoecaria agallocha0.42
Hymenaea courbaril0.83
AvellanoAleurites moluccana0.14
AvenbokCarpinus betulus0.61
AvewotseMorus mesozygia0.71
AvispilloPhoebe elongata0.62
Turraeanthus africanus0.51
AvodireTurraeanthus africanus0.512
AvogaPoga oleosa0.39
Millettia stuhlmannii0.83
Pometia pinnata0.60
Pometia pinnata0.60
AwariPterygota bequaertii0.53
AwariPterygota macrocarpa0.54
AwenshinTerminalia ivorensis0.54
Millettia laurentii0.81
AwoungMillettia laurentii0.8114
AxlewoodAnogeissus latifolia0.66
AyasExcoecaria agallocha0.42
AyeMorus mesozygia0.71
AyniArtocarpus hirsuta0.52
Triplochiton scleroxylon0.32
Triplochiton scleroxylon0.32
Triplochiton scleroxylon0.32
AzobeLophira alata0.94
Hymenaea courbaril0.83
AzucareroTetragastris altissima0.74
Azucarito blancoTetragastris altissima0.74
AzzaAfzelia bipindensis0.62
AzzaAfzelia pachyloba0.62
AzzaAfzelia quanzensis0.62

Footnotes:

1Forest Products Laboratory Wood Handbook @ 12% MC values
2Forest Products Laboratory Wood Handbook Calculated from Green MC values by Wagner
3Forest Products Laboratory Techsheets Calculated from Green MC values by Wagner
4WoodWorkersSource Wood Library Calculated from Green MC values by Wagner
5We included Douglas-fir(Pseudotsuga menziesii) Coast (.48)*, Interior West (.50)*, Interior North (.48)*, Interior South (.46)* to come up with an average SG of (.48)* *“Coast type Douglas-fir is defined as Douglas-fir growing in the States of Oregon and Washington west of the summit of the Cascade Mountains. Interior West includes the State of California and all counties in Oregon and Washington east of but adjacent to the Cascade summit. Interior North includes the remainder of Oregon and Washington and the States of Idaho, Montana, and Wyoming.” Specific Gravity resources: * Wood Handbook page 5-7
6According to USDA Forest Service, Forest Product Laboratory, Wood Handbook 2-8, Hard maple includes sugar maple (Acer saccharum) (.63)* and black maple (A. nigrum) (.57)*.
7According to USDA Forest Service, Forest Product Laboratory, Techsheets, Red Ash includes these three subspecies Fraxinus americana (.60)*, Fraxinus pennsylvanica (.56)*, Fraxinus profunda (.51)*
8According to USDA Forest Service, Forest Product Laboratory, Wood Handbook page 2-8, Soft maple includes silver maple (Acer saccharinum) (.47)*, red maple (A. rubrum) (.54)*, bigleaf maple (A.macrophyllum) (.48)*, and boxelder (A. negundo) (.45)** Specific Gravity resources:
* Wood Handbook page 5-5
** Forest Product Laboratory Techsheet
9According to the Southern Pine Inspection Bureau (SPIB) the four main subspecies that make up the SYP category are: Longleaf, Shortleaf, Loblolly and Slash pines. The SYP mix setting (.56) was determined by taking the average of Longleaf (.59)*, Shortleaf (.51)*, Loblolly (.51)* and Slash pines (.59)* Specific Gravity resources: * Wood Handbook page 5-7 & page 5-8
10 Forest Products Laboratory Techsheets Calculated from Green MC values by Wagner applying an acceptable volumetric shrinkage approximation per USDA GTR FPL-GTL-76
11 According to Forest Products Laboratory Techsheets Guatambu grown in *Brazil has a higher specific gravity then for **Argentinean material. *Guatambu (Brazil) (Balfourodendron riedelianum)(.79) Calculated from Green MC values by Wagner. **Guatambu (Argentinean) (Balfourodendron riedelianum)(.70) Calculated from Green MC values by Wagner.
12Forest Products Laboratory Techsheets Calculated from Dry (0%) MC values by Wagner applying an acceptable volumetric shrinkage approximation per USDA GTR FPL-GTL-76
13WoodWorkersSource Wood Library Calculated from Dry (0%) MC values by Wagner applying an acceptable volumetric shrinkage approximation per USDA GTR FPL-GTL-76
14WoodWorkersSource Wood Library Calculated from Green MC values by Wagner applying an acceptable volumetric shrinkage approximation per USDA GTR FPL-GTL-76
15WoodWorkersSource Wood Library Calculated from Dry (0%) MC values by Wagner
16The Wood Database Calculated from Green MC values by Wagner
17The Wood Database Calculated from Green MC values by Wagner applying an acceptable volumetric shrinkage approximation per USDA GTR FPL-GTL-76
18Tropicaltimber Calculated from Green MC values by Wagner applying an acceptable volumetric shrinkage approximation per USDA GTR FPL-GTL-76
19According to Forest Products Laboratory Techsheets Goncalo Alves grown in *Honduras and Venezuela has a higher specific gravity then for **Brazil and Colombia material. *Goncalo Alves (Honduras and Venezuela) (Astronium graveolens)(.89) Calculated from Green MC values by Wagner. **Goncalo Alves (Brazil and Colombian) (Astronium graveolens)(.80) Calculated from Green MC values by Wagner.
 
 
* Legal disclaimer:

Wagner has compiled species’ average specific gravity (SG) values (wood volume at 12% moisture content (MC) and oven-dry weight) from industry-accepted 3rd-party sources (USDA Forest Products Laboratory as an example) and provides this list for free with no implied warranty. Where an SG value listed in Wagner Meters’ manuals or website has been verified by Wagner, this is indicated as such, and not indicated as verified if a verification process has not been completed by Wagner for that species. Wagner is not responsible for any 3rd-party oversights or errors in their (the 3rd-parties) published SG values.

Where no published average SG value could be found for a species for the wood volume at 12% MC and oven-dry weight basis, Wagner has derived the proper SG value through a robust algorithm (see detailed explanation below under the heading ‘Specific Gravity (SG) Values of Wood and Their Referenced Moisture Content’).
 


 
Specific Gravity (SG) Values of Wood and Their Referenced Moisture Content

 

Wagner Meters’ moisture meters’ species settings are calibrated to wood samples that are at a nominal 12% moisture content (MC). It should also be recognized that the measurement accuracy of non-pin wood moisture meters is almost solely dependent on wood density; that is because wood species that have differing wood density but the same absolute amount of water will have different MC values because the definition of MC is the ratio of water weight to wood weight. Some online and other technical references that cite specific gravity (SG) values for different wood species list the SG when the wood is a different MC other than 12%. For example, some SG values listed are the values when the wood is dried all the way down to where the MC is actually zero. Other listed values are when the wood is “green” at perhaps 80% MC or even higher.

The reason that it matters what the MC was when the SG was determined is that the volume of a wood sample will shrink when it is dried down from high MC values to lower MC values. So as the volume of the wood sample shrinks, the density (SG) of the wood increases because the formula for the wood density is the weight of the wood sample divided by the volume of the wood sample, or more simply the ratio of the weight of the wood to its volume. As the weight stays the same during shrinkage, the volume decreases. Online and other references will not only provide SG values at some specific MC but also their “shrinkage ratio”. The shrinkage ratio is defined to be the percent of the volume of the wood that shrinks per decrease in MC value. For instance, one might see a 2% shrinkage ratio which means that for every 1% drop in MC the wood will shrink by 2% of its volume.

Wagner chose to calibrate its meters at a nominal 12% MC because this is close to where most wood will be in service and will be measured by our meters. Therefore we publish SG values for wood species to be used by our meters that correlate to a 12% MC value. Since online and other references publish SG values at sometimes 0% MC or “green” MC, you will often see different values online than what we publish. We correct these published values by applying correction factors based on MC at referenced SG values and shrinkage ratio published values. It should be noted that a wood sample will not begin shrinking significantly until the MC drops below fiber saturation point, which is generally between 28% and 32%, so we use 30% as the average fiber saturation point.

As an example, let’s say we have a published SG value of 0.50 referenced to 0% MC with a shrinkage ratio of 0.1% of volume per percent MC. We want to convert to an SG value referenced to 12% MC. A sample at 12 % MC will be 1.2% larger in volume (swells 12 * 0.1%). Since 0.50 equals the weight of the sample divided by volume, we now know the volume will actually be 1.2% larger, so the SG should be adjusted by a factor of 1 divided by (1 + 1.2%) or 1 divided by (1.012) = 0.50/1.012 = 0.49). So, in this specific case, the 12 % MC referenced SG value will be slightly less than the published value referenced at 0% MC.