Best Unit Converter - Length, Weight & Temperature Tool Alternatives in 2026

About Unit Converter - Length, Weight & Temperature Tool

Unit Converter - Length, Weight & Temperature Tool Unit Converter turns any measurement into the unit you need while you type. Open the popup, enter a number, choose the units — the result appears instantly and is recalculated on every keystroke. This unit converter computes everything locally inside the extension: no account, no tracking, not a single network request. The only permission it uses is local storage, which keeps your recent conversions and your last-used units. SEVEN CATEGORIES IN ONE UNIT CONVERTER • Length converter — millimeters, centimeters, meters, kilometers, inches, feet, yards, miles • Weight and mass — milligrams, grams, kilograms, tonnes, ounces, pounds, stones • Temperature converter — Celsius, Fahrenheit and Kelvin with exact formulas • Volume — milliliters, liters, cubic meters, teaspoons, tablespoons, cups, pints, gallons (US and UK) • Area — square meters, hectares, square kilometers, square feet, acres • Speed — meters per second, km/h, mph, knots, feet per second • Data — bits, bytes, KB, MB, GB, TB, plus binary KiB, MiB and GiB KEY FEATURES 🔢 Live results: the unit converter recalculates the moment a digit changes 🔁 Swap button flips the unit co...