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Woodworking Math

Printable Janka hardness chart

The same numbers as the full chart, laid out to print on one sheet. The full chart has the sources, the tiers behind each number and the reasons.

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One page on Letter or A4. To save a PDF, pick “Save as PDF” in the print dialog.

For a sheet that matches the screen, choose portrait, Letter or A4, and 100% (actual size) scale in the print dialog. Saved as a PDF, it opens on a phone or tablet in the shop with no signal. The numbers change only when the full chart’s sources do, so check the full chart now and then against the copy on your wall.

Janka hardness, hardest first: Lignum vitae to Hard maple
SpecieslbfN
Lignum vitae4,50020,017
Ipe3,68016,369
Azobe3,35014,902
Indian rosewood3,17014,101
Brazilian rosewood2,72012,099
Bubinga2,69011,966
Greenheart2,35010,453
Jatoba2,35010,453
Mora2,30010,231
Goncalo alves2,1609,608
Pignut hickory2,1409,519
Karri2,0409,074
Wallaba2,0409,074
Mockernut hickory1,9708,763
Jarrah1,9108,496
Hickory1,8808,363
Purpleheart1,8608,274
Pecan1,8208,096
Shellbark hickory1,8108,051
Peroba rosa1,7307,695
Kempas1,7107,606
Black locust1,7007,562
Honeylocust1,5807,028
Afrormosia1,5606,939
Pin oak1,5106,717
Sapele1,5106,717
Sweet birch1,4706,539
Willow oak1,4606,494
Hard maple1,4506,450
Janka hardness, hardest first: Scarlet oak to Southern yellow pine
SpecieslbfN
Scarlet oak1,4006,228
Bur oak1,3706,094
Post oak1,3606,050
White oak1,3606,050
Ash1,3205,872
Rock elm1,3205,872
Beech1,3005,783
Ramin1,3005,783
Red oak1,2905,738
Keruing1,2705,649
Birch1,2605,605
Iroko1,2605,605
Kapur1,2305,471
Black oak1,2105,382
Green ash1,2005,338
Water oak1,1905,293
Black maple1,1805,249
Andiroba1,1305,026
Chestnut oak1,1305,026
Avodire1,0804,804
Southern red oak1,0604,715
Magnolia1,0204,537
Walnut1,0104,493
Teak1,0004,448
Cherry9504,226
Soft maple9504,226
Paper birch9104,048
Hackberry8803,914
Southern yellow pine8703,870
Janka hardness, hardest first: Slippery elm to Western hemlock
SpecieslbfN
Slippery elm8603,825
Bigleaf maple8503,781
Black ash8503,781
Sweetgum8503,781
African mahogany8303,692
Elm8303,692
Western larch8303,692
Tupelo8103,603
Mahogany8003,559
Meranti7803,470
Parana pine7803,470
Sycamore7703,425
Radiata pine7503,336
Virginia pine7403,292
Douglas-fir7103,158
Silver maple7003,114
Loblolly pine6903,069
Shortleaf pine6903,069
Cativo6302,802
Port Orford cedar6302,802
Spanish cedar6002,669
Red alder5902,624
Tamarack5902,624
Alaska yellow cedar5802,580
Jack pine5702,535
Red pine5602,491
American chestnut5402,402
Poplar5402,402
Western hemlock5402,402
Janka hardness, hardest first: Black spruce to Northern white cedar
SpecieslbfN
Black spruce5302,358
Spruce5302,358
Cypress5102,269
Sitka spruce5102,269
Eastern hemlock5002,224
Butternut4902,180
Grand fir4902,180
Limba4902,180
Fir4802,135
Lodgepole pine4802,135
Redwood4802,135
Incense cedar4702,091
Ponderosa pine4602,046
Cottonwood4301,913
Obeche4301,913
Western white pine4201,868
Basswood4101,824
Noble fir4101,824
White spruce4101,824
Engelmann spruce3901,735
Balsam fir3801,690
Eastern white pine3801,690
Okoume3801,690
Sugar pine3801,690
Aspen3501,557
Atlantic white cedar3501,557
Black cottonwood3501,557
Western red cedar3501,557
Northern white cedar3201,423

Side hardness at 12% moisture content: USDA Forest Products Laboratory, Wood Handbook (FPL-GTR-282, 2021). woodworkingmath.com/wood/janka-hardness-chart/ Version 8 Nov 2026. Free to share under CC BY 4.0: credit Woodworking Math (woodworkingmath.com).