🔄 Free Unit Converter

Unit Converter

Convert length, weight, temperature, volume, speed, and area instantly. Type in any field to convert.

Length Converter

Type in any field to convert all units instantly.

Kilometers
km
Miles
mi
Meters
m
Feet
ft
Inches
in
Centimeters
cm
Yards
yd
Nautical Miles
nmi

Weight Converter

Type in any field to convert all units instantly.

Kilograms
kg
Pounds
lbs
Grams
g
Ounces
oz
Metric Tons
t
Stone
st

Temperature Converter

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Fahrenheit
°F
Celsius
°C
Kelvin
K
Rankine
°R

Volume Converter

Type in any field to convert all units instantly.

Liters
L
Gallons (US)
gal
Milliliters
mL
Fluid Ounces
fl oz
Cups
cups
Pints
pt
Quarts
qt
Tablespoons
tbsp

Speed Converter

Type in any field to convert all units instantly.

Miles per Hour
mph
Km per Hour
km/h
Meters per Second
m/s
Knots
kn
Feet per Second
ft/s
Mach
Mach

Area Converter

Type in any field to convert all units instantly.

Square Feet
sq ft
Square Meters
m²
Acres
acres
Hectares
ha
Square Miles
sq mi
Square Km
km²

Common Unit Conversions

Some of the most frequently searched unit conversions: 1 mile = 1.60934 kilometers. 1 kilogram = 2.20462 pounds. 0°C = 32°F (water freezes). 100°C = 212°F (water boils). 1 gallon = 3.78541 liters. 1 foot = 30.48 centimeters. 1 inch = 2.54 centimeters. 1 acre = 43,560 square feet.

Our unit converter handles all major measurement categories including length, weight, temperature, volume, speed, and area. Type in any field and all other units update instantly — no need to click a button. Perfect for cooking, travel, fitness, science, and everyday conversions.