Feet to Inches Converter
Convert a length in feet to total inches. Since 1 foot equals exactly 12 inches, simply enter the number of feet to get the equivalent measurement in inches. If your measurement is already written in both units, such as 5 ft 7 in, choose "feet and inches" and enter each part separately. Our feet to inches converter will combine them and show the full length in inches.
Use feet only for whole numbers or decimal feet.
Automatic shows up to 9 decimals. Very small values keep extra digits.
Enter less than 12: for example 7, 7.5 or 7 1/2. A blank means zero.
6 × 12 = 72 in
When you need one number in inches
A height form asks for inches only
For 5 ft 7 in, enter 5 in the feet box and 7 in the inches box. The total is 67 inches: 5 × 12 + 7. Do not enter 5.7 ft for the same height. That equals 68.4 inches, not 67 inches. If the form needs metric units, convert total inches to centimeters.
A shelf drawing includes a fraction of an inch
A shelf marked 2 ft 3 1/2 in is 27.5 inches long. Choose "Feet and inches", enter 2 for the feet, then enter 3 1/2 for the inches. Keep the half inch when measuring, cutting, or ordering the piece. Rounding to 28 inches would add another half inch. For metric drawings, convert inches to millimeters.
You are ordering a blind for a wide opening
An opening that measures 6 ft 4 in is 76 inches wide. This is the measured opening width, not necessarily the size you should order. Blind manufacturers may use different rules for inside and outside mounts, including their own deductions or allowances. Follow the seller's measuring guide before placing the order.
This converter works with length only. A room's width in feet and its area in square feet are different measurements. This tool does not convert square feet to square inches.
Feet to inches conversion table
Open a copyable text table
| Feet | Inches |
|---|---|
| 1 | 12 |
| 2 | 24 |
| 3 | 36 |
| 4 | 48 |
| 5 | 60 |
| 5.5 | 66 |
| 6 | 72 |
| 8 | 96 |
| 10 | 120 |
| 12 | 144 |
How the feet to inches calculation works
For a measurement written only in feet: inches = feet x 12. For a measurement written in feet and inches: inches = (feet x 12) + remaining inches. For example: 5 ft 7 in = (5 x 12) + 7 = 67 in. To convert total inches back to decimal feet, divide the inch value by 12. The relationship is exact because 1 foot = 12 inches. Rounding only affects how many decimal places are shown in the final result.
Reference: NIST Handbook 44, Appendix C, units of length. This tool uses the international foot and inch, not legacy survey measurements. Starting with meters? Convert meters directly to inches, or choose another length converter.