Unit Converters
Deterministic conversions using standard mathematical formulas. No external data.
Length
Centimeters to Feet & Inches
feet = cm ÷ 30.48 | inches = cm ÷ 2.54
Centimeters to Inches
inches = cm ÷ 2.54
Inches to Centimeters
cm = inches × 2.54
Meters to Feet
feet = meters × 3.28084
Millimeters to Inches
inches = mm ÷ 25.4
Kilometers to Miles
miles = km × 0.621371
Miles to Kilometers
km = miles × 1.60934
Yards to Meters
meters = yards × 0.9144
Weight
Kilograms to Pounds
pounds = kg × 2.20462
Pounds to Kilograms
kg = pounds × 0.453592
Stones to Kilograms
kg = stones × 6.35029
Ounces to Grams
grams = oz × 28.3495
Grams to Ounces
oz = grams × 0.035274
Temperature
Celsius to Fahrenheit
°F = (°C × 9/5) + 32
Fahrenheit to Celsius
°C = (°F - 32) × 5/9
Kelvin to Celsius
°C = K - 273.15
Volume
Liters to Gallons
gallons = liters × 0.264172
Gallons to Liters
liters = gallons × 3.78541
Milliliters to Fluid Ounces
fl oz = ml × 0.033814
Cups to Milliliters
ml = cups × 236.588
Tablespoons to Milliliters
ml = tablespoons × 14.7868
Area
Square Feet to Square Meters
sq m = sq ft × 0.092903
Square Meters to Square Feet
sq ft = sq m × 10.7639
Acres to Hectares
hectares = acres × 0.404686
Speed
Miles per Hour to Kilometers per Hour
km/h = mph × 1.60934
Kilometers per Hour to Miles per Hour
mph = km/h × 0.621371
Knots to Miles per Hour
mph = knots × 1.15078