Janka Hardness Ratings for Various Species of Wood (pounds)

Hardness is defined as resistance to indentation using a modified Janka hardness test, measured by the load required to embed a 11.28-mm (0.444-in.) ball to one-half its diameter. Values presented are the average of radial and tangential penetrations.⁽¹⁾

• Patagonian Rosewood 3,840 lbs
• Ipe 3,840 lbs
• Kurupayra 3,840 lbs
• Lapacho 3,684 lbs
• Tiete Rosewood 3,280 lbs
• Cumaru 3,200 lbs
• Massaranduba 3,190 lbs
• Sucupira 2,700 lbs
• Bubinga 2,630 lbs
• Morado 2,400 lbs
• Brazilian Cherry 2,350 lbs
• Padauk 2,220 lbs
• Tatajuba 2,220 lbs
• Santos Mahogany 2,200 lbs
• Para Rosewood 2,100 lbs
• Moabi / Guajara 2,100 lbs
• Laminate 2,000 lbs
• Purpleheart 1,860 lbs
• Tarara 1,860 lbs
• TigerWood 1,850 lbs
• Hickory 1,820 lbs
• Acacia 1,750 lbs
• Kempas 1,710 lbs
• Bamboo 1,600 lbs
• Timborana 1,570 lbs
• Sapele 1,500 lbs
• Maple 1,450 lbs
• Bacana / Copaiba 1,420 lbs
• White Oak 1,360 lbs
• Amendoim 1,340 lbs
• Red Oak 1,290 lbs
• Royal Mahogany 1,220 lbs
• Ash 1,200 lbs
• Birch Peshtigo River 1,200 lbs
• Yellow Birch 1,200 lbs
• Birch 1,100 lbs
• Walnut 1,010 lbs
• Peruvian Walnut 1,010 lbs
• Cherry 950 lbs
• Palo Blanco / Exotic Hickory 680 lbs
• Douglas Fir 660 lbs
• Western Red Cedar 350 lbs

(1) The Wood Handbook - Wood as an engineering material, USDA, General Technical Report 113.