Conversions Hub

US ↔ Metric conversions, data units, and quick reference charts. Includes export + copy.

Quick Converters

Unit Converter

Length / weight / volume / temperature

Data Converter

Bits/bytes + SI vs IEC

Timestamp Converter

Unix time ↔ human time

Reference Charts

Tip: Use this as a quick cheat-sheet for field work. Built for US units but includes metric references.

Length

FromTo / Formula
1 inch (in)2.54 centimeters (cm)
1 foot (ft)0.3048 meters (m)
1 yard (yd)0.9144 meters (m)
1 mile (mi)1.609344 kilometers (km)
1 centimeter (cm)0.3937008 inches (in)
1 meter (m)3.28084 feet (ft)
1 kilometer (km)0.621371 miles (mi)

Weight

FromTo / Formula
1 pound (lb)0.45359237 kilograms (kg)
1 ounce (oz)28.349523125 grams (g)
1 kilogram (kg)2.20462262185 pounds (lb)
1 gram (g)0.03527396195 ounces (oz)

Volume

FromTo / Formula
1 teaspoon (tsp)4.92892159375 milliliters (mL)
1 tablespoon (tbsp)14.78676478125 milliliters (mL)
1 fluid ounce (US fl oz)29.5735295625 milliliters (mL)
1 cup (US)236.5882365 milliliters (mL)
1 pint (US)473.176473 milliliters (mL)
1 quart (US)946.352946 milliliters (mL)
1 gallon (US)3.785411784 liters (L)
1 liter (L)33.8140227 US fl oz

Temperature

FromTo / Formula
F → C(F − 32) × 5/9
C → F(C × 9/5) + 32
C → KC + 273.15
K → CK − 273.15

Data Units (SI vs IEC)

FromTo / Formula
1 KB (SI)1,000 bytes
1 MB (SI)1,000,000 bytes
1 GB (SI)1,000,000,000 bytes
1 KiB (IEC)1,024 bytes
1 MiB (IEC)1,048,576 bytes
1 GiB (IEC)1,073,741,824 bytes
8 bits1 byte

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