Unit Converter – Length, Weight, Temperature & Volume
Free online unit converter for length, weight, temperature and volume. Instantly convert between US customary and metric units: inches, feet, miles, pounds, ounces, Fahrenheit, gallons, cups and more. Live results as you type with quick one-tap conversions. No sign-up, runs in your browser.
Convert units instantly
Length, weight, temperature and volume — US customary ↔ metric, with live results as you type.
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Volume uses US customary units (1 US gallon = 3.785 L; 1 cup = 236.6 mL), not UK imperial. Temperature converts exactly between °C, °F and K. All calculations run locally in your browser.