Unit Converters
Instantly convert between common units of length, weight, temperature, and volume.
Length
10 convertersConvert between inches, centimeters, feet, meters, miles, kilometers, and yards.
inches centimeters centimeters inches centimeters feet +7
Weight
6 convertersConvert between pounds, kilograms, ounces, grams, and stone.
pounds kilograms kilograms pounds ounces grams +3
Temperature
2 convertersConvert between Fahrenheit and Celsius scales.
Fahrenheit Celsius Celsius Fahrenheit
Volume
2 convertersConvert between US gallons and liters.
US gallons liters liters US gallons
Length
Length × 2.54
inches centimeters
Length × 0.393701
centimeters inches
Length × 0.0328084
centimeters feet
Length × 0.3048
feet meters
Length × 3.28084
meters feet
Length × 1.60934
miles kilometers
Length × 0.621371
kilometers miles
Length × 0.9144
yards meters
Length × 1.09361
meters yards
Length × 30.48
feet centimeters
Weight
Temperature
Volume
Frequently Asked Questions
We offer converters for length, weight, temperature, volume, speed, area, and more. Each converter shows the formula, a conversion table, and handles both directions.
All conversions use standard mathematical formulas (e.g. inches = cm / 2.54). Results are precise to multiple decimal places.
Yes, all unit converters on WorldStats are completely free with no sign-up required.