Free fitness unit converter
Whether you follow an American program in lbs or a European plan in kg, conversions are unavoidable in fitness. This converter covers the 4 essential categories: weight, length, distance and energy.
Quick references
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Weightlifting, running and nutrition programs use different units depending on the country. Mentally converting 225 lbs to kg before each set isn't ideal. This tool gives you the answer instantly with quick references for common values.
How to use this converter
- 1Choose the category (weight, length, distance, energy)
- 2Select the conversion type
- 3Enter your value
- 4The result appears instantly
- 5Use the swap button to reverse the direction
Useful benchmarks to memorize
- •1 kg = 2.2 lbs (multiply by 2 and add 10%)
- •1 inch = 2.54 cm
- •1 mile = 1.6 km
- •100 kg = 220 lbs
- •1 foot = 30.48 cm
Frequently asked questions
Multiply by 2 and add 10%. Example: 80 kg × 2 = 160, + 10% = 176 lbs (exact: 176.4 lbs).
The United States uses the imperial system. Most online fitness content comes from the US, hence the prevalence of lbs.
1 kcal = 4.184 kJ. Kcal (or "Calories") are used in North America, kJ in Europe and Oceania.
Divide by 30.48 for feet. Example: 175 cm = 5 feet 8.9 inches. Or just use this converter.