Feet and Inches to Centimeters Converter
Convert feet and inches to centimeters instantly. Enter ft and in separately to calculate height or length in cm, meters, and total inches.
Last updated: July 2026
Conversion formula
Centimeters = (feet × 30.48) + (inches × 2.54)
Equivalently: total inches = feet × 12 + inches; centimeters = total inches × 2.54.
One inch equals exactly 2.54 centimeters, and one international foot equals exactly 30.48 centimeters.
Common heights in centimeters
| Feet and inches | Centimeters |
|---|---|
| 4 ft 10 in | 147.32 cm |
| 5 ft 0 in | 152.4 cm |
| 5 ft 2 in | 157.48 cm |
| 5 ft 4 in | 162.56 cm |
| 5 ft 6 in | 167.64 cm |
| 5 ft 8 in | 172.72 cm |
| 5 ft 10 in | 177.8 cm |
| 6 ft 0 in | 182.88 cm |
| 6 ft 2 in | 187.96 cm |
| 6 ft 4 in | 193.04 cm |
| 6 ft 6 in | 198.12 cm |
How to convert feet and inches to centimeters
Multiply feet by exactly 30.48 centimeters, multiply inches by exactly 2.54 centimeters, then add the results. This works for height measurements and any other non-negative length written as separate feet and inches.
Feet-and-inches conversion formula
Centimeters = (feet × 30.48) + (inches × 2.54). An equivalent method is to calculate total inches as feet × 12 + inches, then multiply total inches by exactly 2.54. No intermediate value is rounded.
5.8 feet is not 5 feet 8 inches
Decimal feet describe a fraction of one foot. In 5.8 feet, the 0.8-foot portion equals 0.8 × 12 = 9.6 inches. Therefore, 5.8 ft equals 5 ft 9.6 in—not 5 ft 8 in. Separate fields avoid this ambiguity.
Worked examples
5 ft 10 in
(5 × 30.48) + (10 × 2.54) = 152.4 + 25.4 = 177.8 cm.
6 ft 0 in
6 × 30.48 = 182.88 cm.
5 ft 7.5 in
(5 × 30.48) + (7.5 × 2.54) = 152.4 + 19.05 = 171.45 cm.
Inches above 12
5 ft 14 in equals 74 total inches, 187.96 cm, and 6 ft 2 in when normalized.
Frequently asked questions
How do I convert feet and inches to centimeters?
Use feet × 30.48 + inches × 2.54. Both conversion factors follow the exact international definitions.
How many centimeters is 5 feet 10 inches?
5 feet 10 inches equals exactly 177.8 centimeters.
Is 1 inch exactly 2.54 cm?
Yes. One international inch is defined as exactly 2.54 centimeters.
Can inches be more than 12?
Yes. The converter calculates the entered length and shows its normalized feet-and-inches equivalent when useful.
Is 5.8 feet the same as 5 feet 8 inches?
No. 5.8 feet equals 5 feet 9.6 inches because 0.8 × 12 = 9.6.