Hardness & Weight Explorer

Visualize and compare the mechanical properties of every species in our database.

137

Species with Data

1,462

Average Janka (lbf)

Lignum Vitae

Hardest · 4,500 lbf

Balsa

Softest · 67 lbf

Janka hardness measures resistance to denting (force to embed an 11.28mm steel ball). Weight (dried density in lb/ft³) correlates with hardness but not always — some light woods are surprisingly hard. Each dot represents one species; click to view its full profile.

Janka Hardness vs. Dried Weight

020406080Avg. Dried Weight (lb/ft³)01500300045006000Janka Hardness (lbf)Red Oak (1,290)Avg: 1,462
Hardwood
Softwood
Monocot
Red Oak benchmark