Unit Converter
Length, weight, temperature, volume, area, speed and data.
Never uploadedInstant, in-browserNo account needed
Loading tool…
A free online unit converter for length, weight, temperature, volume, area, speed, and data sizes. Enter a value, pick the units, and get an instant, accurate conversion. It runs entirely in your browser, needs no signup, and nothing you enter is uploaded anywhere.
How to use Unit Converter
- Choose the category, such as length or weight.
- Enter the value you want to convert.
- Select the unit you are converting from.
- Select the unit you are converting to.
- Read the converted result instantly.
Frequently asked
Is the unit converter free?
Yes, it is free with no account needed.
What units can it convert?
It handles length, weight, temperature, volume, area, speed, and data sizes.
Are the conversions accurate?
Yes. It uses standard conversion factors, so results are accurate for everyday and technical use.
Does it work offline?
Once the page is loaded it runs in your browser, and the conversions themselves need no connection.
Do you upload the numbers I enter?
No. Everything is calculated locally and nothing is sent to a server.
More Productivity tools
- Pomodoro TimerFocus in sprints with work/break cycles and session tracking.
- StopwatchPrecision stopwatch with lap splits.
- Countdown TimerCount down to a duration or a target time.
- To-Do ListTasks with priorities and due dates, saved locally.
- Habit TrackerDaily habit streaks on a visual calendar grid.
- Browser NotesQuick notes that auto-save locally as you type.
- QR Code GeneratorCrisp QR codes for URLs, text, Wi-Fi and contacts.
- Password GeneratorCryptographically secure passwords with a strength meter.