Calculator
Inch Fraction Calculator
Add or subtract measurements in fractions, mixed numbers, or decimals — then round to the fraction you'll actually mark on the wood.
Result: Fraction Form
312+1316=41116"
Result: Decimal Form
312+1316=4.6875"
Whole-number boxes are optional — leave them blank for a plain fraction like 1/16".
Decimal to Fraction Converter
Enter a decimal inch value to find the nearest fraction.
Nearest fraction
5/8"
Fraction to decimal reference
The common 1/16" increments and their decimal equivalents.
1/16" 0.0625"
1/8" 0.125"
3/16" 0.1875"
1/4" 0.25"
5/16" 0.3125"
3/8" 0.375"
7/16" 0.4375"
1/2" 0.5"
9/16" 0.5625"
5/8" 0.625"
11/16" 0.6875"
3/4" 0.75"
13/16" 0.8125"
7/8" 0.875"
15/16" 0.9375"
1" 1.0"