Feet and Inches to Decimal

ft
in
Conversion

Convert feet and inches to decimal feet and total inches.

Formula

decimal ft = feet + inches ÷ 12
  • Total inches = feet × 12 + inches.
  • To cm: total_in × 2.54.

Feet and Inches to Decimal Example

Inputs
  • Feet: 5 ft
  • Inches: 9 in

5 ft 9 in = 5 + 9/12 = 5.75 ft = 69 in = 175.26 cm

Frequently asked questions

How do I use the Feet and Inches to Decimal?
Enter the value in the input field and the result updates immediately.
How accurate is this converter?
Uses internationally recognised conversion factors. Results are rounded to the displayed decimal places.
Can I verify this manually?
Yes — apply the formula shown above step by step.