Wood Hardness / All About Wood / By admin Wood hardness has a big impact on how wood turns. The Janka Scale is one tool for measuring the hardness. Wood density and weigth of wood are also indicators of how wood will turn Click here Here is a link to an article that explains the Janka Scale Here is a table of Janka values with woods sorted both alphabetically and by hardness Click here Here is a link to an article fro0m engineersedge.com about specific gravity and weight of wood Click here Here is a link to an article from srs.repair about specific gravity and weight of wood Click here Here is a link to an article from bellforestproducts.com about specific gravity and weight of wood Click here Here is a link to an article from cecalc.com about specific gravity of wood Click here Here is a link to an article from wood-database.com about wood hardness. Wood-database.com also has many articles about various properties of wood.