Column / post
Done.
–Bags
Need (exact)
Details
How we got it
round: V = π × (d ÷ 2)² × h × n; square: V = s² × h × n
Estimate only — bag yields vary by brand. Check your local building code.
–Bags
Need (exact)
How we got it
round: V = π × (d ÷ 2)² × h × n; square: V = s² × h × n
Estimate only — bag yields vary by brand. Check your local building code.