Converters Calculators

Convert length, weight, and temperature between metric and imperial with exact factors.

Convert between metric and imperial length units: millimeters, centimeters, meters, kilometers, inches, feet, yards, and miles.

Convert between kilograms, grams, pounds, ounces, and stone. Instant, accurate metric–imperial weight conversion.

Convert temperatures between Celsius, Fahrenheit, and Kelvin with exact formulas. Includes common reference points.

Convert speeds between kilometers per hour, miles per hour, knots, meters per second, and feet per second.

Convert areas between square meters, square feet, square yards, acres, hectares, square kilometers, and square miles.

Convert volumes between liters, milliliters, US gallons, cups, fluid ounces, tablespoons, and teaspoons. Ideal for cooking and recipes.

Convert between data units: bytes, kilobytes, megabytes, gigabytes, terabytes, and their binary counterparts (KiB, MiB, GiB, TiB).