Utility

Unit Converter

Convert between common fitness and nutrition units.

Quick Reference

1 lb=0.45 kg

1 kg=2.20 lbs

1 inch=2.54 cm

1 foot=0.30 m

1 mile=1.61 km

1 fl oz=29.57 mL

1 cup=236.59 mL

1 gallon=3.79 L

32°F=0°C

212°F=100°C

1 stone=6.35 kg

100 kg=220.46 lbs

Learn the details

How it's figured

Converts common fitness units with standard factors: pounds to kilograms (÷ 2.2046), inches to centimeters (× 2.54), Fahrenheit to Celsius ((°F − 32) × 5/9), and miles to kilometers (× 1.6093).

Sources: NIST guide to the SI, conversion factors

Tips

Worth memorizing: 1 kg ≈ 2.2 lbs, 1 inch = 2.54 cm, 1 mile ≈ 1.6 km. This tool handles the rest when you need exact values.