Unit conversion guides
Clear, step-by-step explanations of the most-searched conversions — each with the exact formula, worked examples and a quick-reference table. Need a quick answer? Use the converter.
Pounds to Kilograms
lbs → kg using the 0.45359237 factor.
Read guideKilograms to Pounds
kg → lbs by multiplying by 2.20462.
Read guideCentimeters to Inches
cm → in by dividing by 2.54.
Read guideInches to Centimeters
in → cm by multiplying by 2.54.
Read guideMiles to Kilometers
mi → km by multiplying by 1.60934.
Read guideKilometers to Miles
km → mi by multiplying by 0.621371.
Read guideCelsius to Fahrenheit
°C → °F using (°C × 9/5) + 32.
Read guideFahrenheit to Celsius
°F → °C using (°F − 32) × 5/9.
Read guideCentimeters to Pixels
cm → px at 96 DPI for design.
Read guideMB to GB
Megabytes → gigabytes for file sizes.
Read guideMeters to Feet
m → ft by multiplying by 3.28084.
Read guidemph to km/h
Miles per hour → km/h (× 1.60934).
Read guide