The Ultimate Imperial to Metric Cheat Sheet

A quick-reference guide to the most common unit conversions you'll actually need, arranged for maximum usability.

LENGTH 1 inch = 2.54 cm 1 foot = 30.48 cm = 0.3048 m 1 yard = 0.9144 m 1 mile = 1.60934 km 1 nautical mile = 1.852 km

WEIGHT 1 ounce = 28.35 g 1 pound = 453.59 g = 0.45359 kg 1 stone = 6.35029 kg 1 US ton = 907.185 kg 1 UK long ton = 1,016.047 kg

VOLUME 1 US fluid ounce = 29.57 ml 1 UK fluid ounce = 28.41 ml 1 US cup = 236.59 ml 1 US pint = 473.18 ml 1 UK pint = 568.26 ml 1 US gallon = 3.785 L 1 UK gallon = 4.546 L

TEMPERATURE °C = (°F - 32) × 5/9 °F = (°C × 9/5) + 32 K = °C + 273.15

SPEED 1 mph = 1.60934 km/h 1 knot = 1.852 km/h = 1.15078 mph 1 Mach = ~340 m/s = ~761 mph (at sea level)

COMMON BENCHMARKS 5'10" = 177.8 cm (average male height) 70 kg = 11 stone = 154.3 lbs 100°F = 37.8°C (fever temperature) 60 mph = 96.56 km/h