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Dev tools · July 1, 2026

Unit Converter

Free unit converter — 16 categories, 120+ units, offline

Unit Converter launched on July 1, 2026 with 3 votes, #8,766 of 24,623 launches that month and more than 50% of that year's launches.

Visit prounitconverter.com ↗Unit Converter alternatives

What it does

Pro Unit Converter is a free, fast, and comprehensive unit conversion tool. It covers 16 categories including length, weight, area, volume, temperature, speed, time, digital storage, currency, angle, pressure, energy, density, power, voltage, and cooking Key features: live conversion as you type, dark mode, batch mode, precision slider, unit info popovers, shareable URLs, PWA (works offline after install), and a public JSON API. No ads, no signup, no paywalls.

Free online unit converter for weight, length, area, time, currency, density, power & more. Instant results, live exchange rates, formula display. No sign-up, no ads.

Convert length, weight, temperature, area, volume, speed, digital storage, time, and currency — instantly, in your browser. Beyond units — color, text, time and developer converters. Free and private. Select the type of measurement you need — length, weight, temperature, or one of the 19 categories. Type any number into the input field. Results update instantly as you type — no button to press. Choose the source unit and target unit from the dropdowns. Swap them with the ⇄ button. One-click copy saves the full conversion to your clipboard, ready to paste anywhere. A unit converter is a tool that translates a measurement expressed in one unit into its equivalent in another. Whether you're a…from prounitconverter.com

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