All Replies on Can someone help me calculate 2x4 weight please?

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View FancyShoes's profile

Can someone help me calculate 2x4 weight please?

by FancyShoes
posted 09-10-2016 10:46 PM

3 replies so far

View dawsonbob's profile


3821 posts in 2633 days

#1 posted 09-10-2016 11:03 PM

View Gene Howe's profile

Gene Howe

12258 posts in 4306 days

#2 posted 09-10-2016 11:27 PM

My racks are like yours and mounted almost the same way. Every other one has a pocket screw on each side, into the stud. Mine are loaded way heavier than yours and have never failed.

-- Gene 'The true soldier fights not because he hates what is in front of him, but because he loves what is behind him.' G. K. Chesterton

View MadMark's profile


979 posts in 2330 days

#3 posted 09-10-2016 11:37 PM

The USDA ‘Wood handbook – wood as an engineering material’ says ‘it depends’ on the moisture % – which changes over time. Pine density is around 0.32-0.52 depending on overdry from green.

Estimate the bf, divide by 12 for cu foot and multiply cu ft by 62.42796 lbs / cu ft for max weight if wood is 100% water. Divide by two for greenwood or three for overdry pine. Other species will have different values.

Sorry, sometimes simple problems aren’t.


-- Madmark - [email protected]

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