Agreed that the parochial measurement system is frustrating - those filters could certainly benefit from an 'are you in the 95 percent?' toggle to flip to sane units.
FWIW the entries for each timber do have the metric (Pa, metre, etc) figures shown in parenthesis after the US imperial figures.
FWIW the entries for each timber do have the metric (Pa, metre, etc) figures shown in parenthesis after the US imperial figures.