All Unit Conversions

30 free converters for weight, length, temperature, volume, speed, and area. Every conversion runs in your browser — no signup, no data collected.

Weight Length Distance Temperature Volume Speed Area

Weight Conversions

kg → lbs

Kilograms to Pounds

lbs → kg

Pounds to Kilograms

oz → g

Ounces to Grams

g → oz

Grams to Ounces

st → kg

Stones to Kilograms

kg → st

Kilograms to Stones

lbs → oz

Pounds to Ounces

oz → lbs

Ounces to Pounds

Length Conversions

cm → in

Centimeters to Inches

in → cm

Inches to Centimeters

m → ft

Meters to Feet

ft → m

Feet to Meters

mm → in

Millimeters to Inches

in → mm

Inches to Millimeters

Distance Conversions

km → mi

Kilometers to Miles

mi → km

Miles to Kilometers

Temperature Conversions

°C → °F

Celsius to Fahrenheit

°F → °C

Fahrenheit to Celsius

Volume Conversions

L → gal

Liters to Gallons

gal → L

Gallons to Liters

cups → mL

Cups to Milliliters

mL → cups

Milliliters to Cups

tbsp → mL

Tablespoons to Milliliters

tsp → mL

Teaspoons to Milliliters

Speed Conversions

mph → km/h

Miles per hour to Kilometers per hour

km/h → mph

Kilometers per hour to Miles per hour

Area Conversions

sq ft → m²

Square Feet to Square Meters

m² → sq ft

Square Meters to Square Feet

ac → ha

Acres to Hectares

ha → ac

Hectares to Acres