Height Unit Converter
Convert centimetres to feet and inches, with an exact decimal result.
Your measurement.
Enter your values to see the result.
A measurement scale, not a health score or percentile.
Method & accuracy
Exact unit constants; results rounded for display.
Input accuracy determines measurement accuracy.
Unit reference: NIST ↗Let’s work it out.
Ask about this tool, enter your values, or understand your result.
Ask in your own language.
How to use Height Unit Converter
- Choose cm, metres, inches or decimal feet, then enter your measurement.
- Move the centimetre slider or edit the number. Results update automatically; Calculate refreshes them too.
- Read feet and inches, the exact-unit conversion cards and the length ruler. Copy or print when ready.
Worked example
6 ft × 30.48 = 182.88 cm. For 5 ft 6 in, use 5 × 12 + 6 = 66 inches.
Method, accuracy & limitations
1 in = 2.54 cm; 1 ft = 30.48 cm.
Exact unit definitions, rounded display; no population percentile or medical assessment.
Canonical centimetres must be between 1 and 300.
Read the unit reference at NIST ↗Frequently asked questions
How do I enter feet and inches?
The feet option accepts decimal feet. For 5 ft 6 in, enter 66 inches or 5.5 decimal feet.
How accurate is the conversion?
One inch is exactly 2.54 cm and one foot is exactly 30.48 cm. Display values are rounded. Measurement error in your input still affects the result.
Why is a measurement rejected?
Converted height must be between 1 and 300 cm. Choose the correct unit and enter a positive number within that range.
Is the ruler a health score?
No. It only shows a length scale. This tool does not evaluate growth, health or population percentiles.


