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
  • Cumaru, Brazilian Teak 3,200 lbs
  • Massaranduba, Brazilian Redwood 3,190 lbs
  • Batu, Red Balau 2,100 lbs
  • Purpleheart 1,860 lbs
  • TigerWood 1,850 lbs
  • Angelim Pedra 1,720 lbs
  • Garapa 1,700 lbs
  • Western Red Cedar 350 lbs

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