Free calculator

Feet/Inches & Decimal Converter

Convert field measurements and decimal feet in either direction.

Feet/Inches to Decimal Feet

Enter a tape-readable field measurement.

Field measurement
Result
6.2500 ft
75 total inches
Centimetres190.5 cm
Millimetres1905 mm

Decimal Feet to Feet/Inches

Enter a CAD or spreadsheet decimal value.

Result
1' 3 11/16"
Rounded to the nearest 1/16 inch
Total inches15.6792"
Millimetres398.25 mm

What this tool does

Use the left side to convert a tape-readable measurement into decimal feet. Use the right side to turn a CAD or spreadsheet value into feet, inches and the nearest 1/16 inch. Both conversions run locally in your browser.

Formula

decimal feet = total inches ÷ 12; tape fraction = round(inch remainder × 16) ÷ 16

Examples

6' 3"

6.2500 ft

1.3066 ft

1' 3 11/16"

Frequently asked questions

Does it accept fractions?

Yes. Select a fraction from 0 through 15/16 inch.

What precision is used?

Decimal feet are shown to four decimal places and tape measurements are rounded to the nearest 1/16 inch.

Professional workflow

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