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Janka Hardness

The Janka scale is used to determine the relative hardness of particular domestic or exotic wood species. The Janka test measures the amount of force required to embed a 0.444" steel ball into the wood to half of its diameter. Woods with a higher rating are harder than woods with a lower rating.

The scale used in the table is pounds-force.

Janka Specie Name
350 Buckeye Burl
367 Basswood
432 Aspen
470 Guanacaste (Parota)
490 Butternut
540 American Chestnut
540 Poplar
540 Mappa Burl
600 Spanish Cedar
800 Genuine Mahogany
840 Leopardwood
850 Quilted Western Maple
850 Western Maple Burl
850 Curly Western Maple
891 Lacewood
930 Anigre
950 Cherry
950 Curly Maple (Red Leaf)
950 Cherry Burl
950 Maple (Red Leaf)
950 Curly Cherry
960 Peruvian Walnut
995 Pink Ivory
1010 Walnut
1020 Holly
1055 Curly Pyinma
1100 African Mahogany
1100 Figured Mango
1155 Thuya Burl
1170 Koa
1200 Redheart
1250 Chakte Viga
1260 Birch
1260 Flame Birch
1260 Birch Burl
1290 Red Oak
1290 Curly Oak
1290 Quarter Sawn Red Oak
1290 Spalted Oak
1294 Figured Makore
1320 White Ash
1320 Curly White Ash
1320 Black Ash
1320 Swamp Ash
1335 Quarter Sawn White Oak
1335 White Oak
1350 Ebiara
1360 English Brown Oak
1400 Mayan Walnut
1439 Quilted Sapele
1441 Tulipwood
1450 Birdseye Maple
1450 Hard Maple
1450 Curly Maple (Hard Maple)
1450 Quarter Sawn Maple
1450 Bark Pocket Maple
1450 Hard Maple Burl
1450 Spalted Maple
1450 Rift Sawn Hard Maple
1460 Madrone Burl
1500 Sapele
1540 Nicaraguan Rosewood
1548 Honey Locust
1560 Afrormosia
1600 Black Palm
1600 Red Palm
1650 Shedua
1658 Zebrawood
1658 Figured Zebrawood
1700 African Blackwood
1712 Merbau
1780 Black & White Ebony
1780 E. Indian Rosewood
1780 Honduras Rosewood
1780 Honduras Rosewood Burl
1810 Afzelia Burl
1820 Hickory
1860 Jarrah Burl
1878 Yellowheart
2000 Canarywood
2140 Sucupira
2160 Goncalo Alves
2170 Amboyna Burl
2170 Curly Narra
2200 Bocote
2200 Chechen
2200 Ziricote
2200 Santos Mahogany
2219 Padauk
2235 Wenge
2250 Cocobolo
2260 Cochen Rosewood
2299 Tornillo
2318 Spalted Tamarind
2400 Bolivian Rosewood
2400 Osage Orange (Argentine)
2450 Granadillo
2490 Red Mallee Burl
2490 Brown Mallee Burl
2520 Purpleheart
2520 Figured Purpleheart
2532 Marblewood
2620 Amazon Rosewood
2628 Figured Bubinga
2628 Quilted Bubinga
2628 Bubinga
2690 Jatoba
2740 Olivewood
2760 Osage Orange (USA)
2900 Bloodwood
2920 Yellow Box Burl
2940 Tamboti
2940 Mopani
3220 Gaboon Ebony
3220 Macassar Ebony
3220 Mun Ebony
3220 Indian Ebony
3340 Kingwood
3340 Camatillo
3370 Grey Box Burl
3540 Cumaru
3620 Katalox
3620 Figured Katalox
3690 Brazilian Ebony
3730 Red Coolibah Burl
3800 Snakewood
3860 Brown Ebony
4000 Lignum Vitae (Argentine)
4400 Lignum Vitae (Genuine)

Exotic Wood Species

African Blackwood African Mahogany Afrormosia Afzelia Burl Amazon Rosewood Amboyna Burl American Chestnut Anigre Aspen Bark Pocket Maple Basswood Birch Birdseye Maple Black & White Ebony Black Palm Bloodwood Bocote Bolivian Rosewood Brazilian Ebony Brown Ebony Brown Mallee Burl Bubinga Buckeye Burl Butternut Camatillo Canarywood Chakte Viga Chechen Cherry Cherry Burl Cochen Rosewood Cocobolo Cumaru Curly Cherry Curly Maple (Hard Maple) Curly Maple (Red Leaf) Curly Narra Curly Oak Curly Pyinma Curly Western Maple Curly White Ash E. Indian Rosewood Ebiara English Brown Oak Figured Bubinga Figured Katalox Figured Makore Figured Mango Figured Purpleheart Figured Zebrawood Flame Birch Gaboon Ebony Genuine Mahogany Goncalo Alves Granadillo Grey Box Burl Guanacaste (Parota) Hard Maple Hard Maple Burl Hickory Holly Honduras Rosewood Honduras Rosewood Burl Honey Locust Indian Ebony Jarrah Burl Jatoba Katalox Kingwood Koa Lacewood Leopardwood Lignum Vitae (Arg.) Lignum Vitae (Gen.) Macassar Ebony Madrone Burl Maple (Red Leaf) Mappa Burl Marblewood Mayan Walnut Merbau Mopani Mun Ebony Nicaraguan Rosewood Olivewood Osage Orange (Amer.) Osage Orange (Arg.) Padauk Peruvian Walnut Pink Ivory Poplar Purpleheart Quarter Sawn Maple Quarter Sawn Red Oak Quarter Sawn White Oak Quilted Bubinga Quilted Sapele Quilted Western Maple Redheart Red Coolibah Burl Red Oak Red Mallee Burl Red Palm Rift-Sawn Hard Maple Santos Mahogany Sapele Shedua Snakewood Spalted Maple Spalted Oak Spalted Tamarind Spanish Cedar Sucupira Swamp Ash Tamboti Thuya Burl Tiger Maple (Hard Maple) Tiger Maple (Red Leaf) Tornillo Tulipwood Walnut Wenge Western Maple Burl White Ash White Oak Yellow Box Burl Yellowheart Zebrawood Ziricote