Unit Conversions
Every conversion page includes an instant calculator, the exact formula and a handy reference table. Pick a conversion below or use the full unit converter.
Length
Centimeters to Inches
1 cm = 0.393701 in
Inches to Centimeters
1 in = 2.54 cm
Meters to Feet
1 m = 3.2808 ft
Feet to Meters
1 ft = 0.3048 m
Kilometers to Miles
1 km = 0.621371 mi
Miles to Kilometers
1 mi = 1.6093 km
Millimeters to Inches
1 mm = 0.03937 in
Inches to Millimeters
1 in = 25.4 mm
Yards to Meters
1 yd = 0.9144 m
Meters to Yards
1 m = 1.0936 yd
Feet to Inches
1 ft = 12 in
Inches to Feet
1 in = 0.083333 ft
Centimeters to Feet
1 cm = 0.032808 ft
Feet to Centimeters
1 ft = 30.48 cm
Meters to Yards
1 m = 1.0936 yd
Yards to Meters
1 yd = 0.9144 m
Weight
Kilograms to Pounds
1 kg = 2.2046 lb
Pounds to Kilograms
1 lb = 0.453592 kg
Grams to Ounces
1 g = 0.035274 oz
Ounces to Grams
1 oz = 28.3495 g
Stones to Pounds
1 st = 14 lb
Pounds to Stones
1 lb = 0.071429 st
Kilograms to Stones
1 kg = 0.157473 st
Stones to Kilograms
1 st = 6.3503 kg
Milligrams to Grams
1 mg = 0.001 g
Grams to Milligrams
1 g = 1,000 mg
Metric tons to Kilograms
1 t = 1,000 kg
Kilograms to Metric tons
1 kg = 0.001 t
Pounds to Ounces
1 lb = 16 oz
Ounces to Pounds
1 oz = 0.0625 lb
Temperature
Volume
Liters to Gallons
1 L = 0.264172 gal
Gallons to Liters
1 gal = 3.7854 L
Milliliters to Fluid ounces
1 mL = 0.033814 fl oz
Fluid ounces to Milliliters
1 fl oz = 29.5735 mL
Cups to Milliliters
1 cup = 236.5882 mL
Milliliters to Cups
1 mL = 0.004227 cup
Tablespoons to Milliliters
1 tbsp = 14.7868 mL
Milliliters to Tablespoons
1 mL = 0.067628 tbsp
Teaspoons to Milliliters
1 tsp = 4.9289 mL
Milliliters to Teaspoons
1 mL = 0.202884 tsp
Liters to Quarts
1 L = 1.0567 qt
Quarts to Liters
1 qt = 0.946353 L
Pints to Milliliters
1 pt = 473.1765 mL
Milliliters to Pints
1 mL = 0.002113 pt
Cups to Fluid ounces
1 cup = 8 fl oz
Fluid ounces to Cups
1 fl oz = 0.125 cup
Area
Square meters to Square feet
1 m² = 10.7639 ft²
Square feet to Square meters
1 ft² = 0.092903 m²
Acres to Square feet
1 ac = 43,560 ft²
Square feet to Acres
1 ft² = 0.000023 ac
Hectares to Acres
1 ha = 2.4711 ac
Acres to Hectares
1 ac = 0.404686 ha
Square kilometers to Square miles
1 km² = 0.386102 mi²
Square miles to Square kilometers
1 mi² = 2.59 km²
Speed
Kilometers per hour to Miles per hour
1 km/h = 0.621371 mph
Miles per hour to Kilometers per hour
1 mph = 1.6093 km/h
Meters per second to Kilometers per hour
1 m/s = 3.6 km/h
Kilometers per hour to Meters per second
1 km/h = 0.277778 m/s
Knots to Miles per hour
1 kn = 1.1508 mph
Miles per hour to Knots
1 mph = 0.868976 kn
Meters per second to Miles per hour
1 m/s = 2.2369 mph
Miles per hour to Meters per second
1 mph = 0.44704 m/s