Convert Anything, Instantly.

Fast, precise unit converters — no sign-ups, no ads.

Converters

100+

Units

0ms

Latency

All Converters

Temperature

Celsius, Fahrenheit, Kelvin

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Length

Meters, Feet, Miles, Inches

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Weight

Kilograms, Pounds, Ounces

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Volume

Liters, Gallons, Cups

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Speed

MPH, KPH, Knots, Mach

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Area

Acres, Hectares, Sq Feet

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File Size

MB, GB, TB, Bytes

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Data Rate

Mbps, Gbps, KB/s

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Pressure

Pascal, Bar, PSI, Atm

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Energy

Joules, Calories, kWh

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Angle

Degrees, Radians, Gradians

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Time

Seconds, Hours, Days, Years

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Frequently Asked Questions

Yes — completely free. No sign-ups, subscriptions, or hidden charges. All 12 converters with 100+ units are available instantly.

No. We don't use analytics, cookies, or any tracking. History and favorites are stored locally on your device and never leave your browser.

Yes! Metrixpert is a Progressive Web App. Install it from your browser and use it without an internet connection.

We use standard conversion factors with up to 10 digits of precision — suitable for professional, educational, and everyday use.

S — Swap units · C — Copy result · A — All Units view · / — Search · Esc — Clear

Yes! Currency, fuel economy, number systems, and more are planned for future updates.