Free Converter Tools

Convert between units of length, weight, temperature, and more.

10 free tools · no sign-up · runs in your browser

Our free unit converters handle the conversions you reach for constantly — length, weight, temperature, area, time, speed, volume, and digital storage — plus a live currency converter and a number-base converter for binary, octal, and hexadecimal. Swap meters to feet, kilograms to pounds, Celsius to Fahrenheit, or megabytes to gigabytes in a single tap, with the exact conversion shown alongside the result.

Temperature Converter

Data Storage Converter

Number Base Converter

Converter

Every converter tool, explained

$€Currency ConverterConvert between major currencies with editable reference rates.LeLength ConverterConvert meters, feet, miles, inches, and more.WtWeight ConverterConvert kilograms, pounds, ounces, and grams.T°Temperature ConverterConvert Celsius, Fahrenheit, and Kelvin instantly.ArArea ConverterConvert square meters, acres, hectares, and square feet.TmTime ConverterConvert seconds, minutes, hours, days, and weeks.SdSpeed ConverterConvert km/h, mph, knots, and meters per second.DbData Storage ConverterConvert bytes, KB, MB, GB, and TB in binary or decimal.VoVolume ConverterConvert liters, gallons, cups, and milliliters.NbNumber Base ConverterConvert between binary, octal, decimal, and hexadecimal.

About these converter tools

Each converter uses precise conversion factors, so the answers are accurate enough for schoolwork, cooking, travel, engineering, and development. They run in your browser and recalculate instantly as you type or switch units. The currency converter pulls live exchange rates when you're online and falls back to built-in reference rates offline, so you always get a result.

Converter Tools — frequently asked questions

Are the conversions accurate?

Yes. Each converter uses standard conversion factors, so results are precise. The currency converter uses live mid-market rates with an offline fallback.

Can I convert between metric and imperial units?

Absolutely. The length, weight, area, volume, and temperature converters all switch freely between metric and imperial units.

Do the converters work offline?

Once the page has loaded, the unit converters work offline. The currency converter falls back to built-in reference rates if it can't reach the network.

Are these converters free?

Yes, every converter is free with no sign-up and no usage limits.

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