Conversion

Convert US cups to tablespoons and teaspoons. Enter recipe decimals, fractions, or mixed fractions.

Convert a Celsius temperature to Fahrenheit, or convert a Celsius temperature change without adding the 32-degree offset.

Convert Fahrenheit to Celsius or Celsius to Fahrenheit. Set decimal places and see the conversion step.

Convert kilometers to decimal miles, or miles to kilometers. Choose up to four decimal places for routes, races, travel, or schoolwork.

Convert miles to kilometers using the exact 1.609344 factor. Enter a distance and choose how many decimal places to show.

Convert kilograms to pounds. Get a decimal-pound answer plus a pounds-and-ounces reading.

Convert pounds to kilograms, including pounds and ounces. Switch directions to convert kilograms to pounds with chosen rounding.

Convert uppercase or mixed-case text to lowercase, keep selected terms capitalized, and copy the finished text.

Convert Fahrenheit, Celsius, Kelvin, and Rankine at once with formulas, quick reference notes, and clear absolute-zero checks.

Convert mph, km/h, m/s, knots, and ft/s fast with simple inputs, common results first, and adjustable decimal places.