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)

  • Ipe 3,840 lbs
  • Greenheart 3,500 lbs
  • Cumaru 3,200 lbs
  • Massaranduba 3,190 lbs
  • Brazilian Cherry 2,350 lbs
  • Tatajuba 2,220 lbs
  • Dark Red Meranti 1,900 lbs
  • Purpleheart 1,860 lbs
  • TigerWood 1,850 lbs
  • Cambara 1,740 lbs
  • Angelim Pedra, Brazilian Apitong 1,720 lbs
  • Garapa 1,700 lbs
  • White Oak 1,360 lbs
  • Red Oak 1,290 lbs
  • Apitong, Keruing 1,270 lbs
  • Douglas Fir 660 lbs
  • Western Red Cedar 350 lbs

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