Convert anything, in one tap
Pick a category, tap your units. That's it.
Length
Convert meters, feet, miles, inches and more
From unit
Nanometer
To unit
Micrometer
All unit converters in one place
Unit Guru is a free online unit converter covering every common measurement: length, weight & mass, temperature, volume, area, speed, time, digital storage, energy, pressure, angle and frequency. Conversions update instantly as you type — no buttons, no ads, no tracking.
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Frequently asked questions
- What is Unit Guru?
- Unit Guru is a free online unit converter that handles 200+ units across 12 categories: length, weight, temperature, volume, area, speed, time, digital storage, energy, pressure, angle, and frequency. Conversions update instantly as you type.
- Is Unit Guru free to use?
- Yes. Unit Guru is completely free, with no ads, no signup, and no tracking. The entire site runs in your browser.
- Do I need an account or to install anything?
- No. Unit Guru is a static web app — open the page and start converting. It also works offline once the page is loaded.
- How accurate are the conversions?
- All conversions use standard SI definitions and official conversion factors. Calculations run in double precision in your browser, so results are as accurate as the source values.
- Which units does Unit Guru support?
- Unit Guru supports 115 units across 13 categories: Length, Weight & Mass, Temperature, Volume, Area, Speed, Time, Digital Storage, Energy, Pressure, Angle, Frequency, Torque.