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Unit Conversion Cheat Sheet

Quick-conversion reference for common metric and imperial units across length, weight, temperature, and volume.

Length Conversion

Metric Factor Imperial
1 mm0.039370.03937 in
1 cm0.39370.3937 in
1 m3.28083.2808 ft
1 m1.09361.0936 yd
1 km0.62140.6214 mi
25.4 mm11 in
30.48 cm11 ft
0.9144 m11 yd
1.6093 km11 mi

Weight Conversion

Metric Factor Imperial
1 g0.03530.0353 oz
1 kg2.20462.2046 lb
1 t (tonne)1.10231.1023 US ton
28.3495 g11 oz
0.4536 kg11 lb
907.1847 kg11 US ton

Temperature Formulas

Celsius to Fahrenheit

°F = (°C × 9/5) + 32

Fahrenheit to Celsius

°C = (°F − 32) × 5/9

Celsius to Kelvin

K = °C + 273.15

Kelvin to Celsius

°C = K − 273.15

Fahrenheit to Kelvin

K = (°F − 32) × 5/9 + 273.15

Kelvin to Fahrenheit

°F = (K − 273.15) × 9/5 + 32

Volume Conversion

Metric Factor Imperial
1 mL0.03380.0338 fl oz
1 L1.05671.0567 qt
1 L0.26420.2642 gal
29.5735 mL11 fl oz
0.9464 L11 qt
3.7854 L11 gal