BuildCalc
Construction Tools
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Quick Math

Fraction-accurate dimensional math and one-tap job-site conversions.

Dimensional Calculator

12' 4"
ft
in
3-5/8"
ft
in
Result
12' 3/8"
144.38 in · 12.031 ft

+ and − give a length · × gives an area · ÷ gives a count. Results round to the nearest 1/16".

Quick Conversions

sq ft
acres

1 acre = 43,560 sq ft