Convert Unit - Free Online Unit Converter

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Convert between nanometers, micrometers, millimeters, centimeters, inches, meters, feet, yards, chains, kilometers, and miles.

Convert between milligrams, grams, ounces, kilograms, pounds, stones, and tons.

Convert between Celsius, Fahrenheit, and Kelvin with instant results.

Convert between milliliters, liters, fluid ounces, cups, pints, quarts, and gallons.

Convert between square centimeters, square meters, square feet, square yards, acres, and square miles.

Convert between km/h, mph, m/s, ft/s, knots, Mach, and speed of light.

Get real-time conversion results as you type. No waiting, no page reloads.

Precise calculations with support for scientific notation for very large or small values.

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