Conversion guides
Short, accurate explainers for the conversions people look up most — each with the exact formula, worked examples and a quick-reference table you can trust.
Kilometers to miles
Convert km to miles, with the exact formula, a quick-reference table and race distances.
Celsius to Fahrenheit
The formula, key reference points, oven temperatures and worked examples.
Kilograms to pounds
Convert kg to lb (and stone), with a reference table and everyday examples.
Meters to feet
Convert metres to feet (and feet + inches), with a table and height examples.
Inches to centimeters
1 inch = 2.54 cm exactly — formula, table and screen/paper sizes.
Liters to gallons
US vs imperial gallons in litres, with a table and fuel examples.
Grams to ounces
Convert grams to ounces (weight, not fluid), with a kitchen-friendly table.
Data units explained
KB, MB, GB, TB — decimal vs binary, bits vs bytes, and why your drive looks smaller.
Cups to milliliters
US, metric and UK cups in ml, plus tablespoons and teaspoons for cooking.