Unit Converter Online — Length, Weight, Temperature & More
Quickly convert between meters, feet, kilometers, miles, grams, pounds, bytes, and Celsius.
FAQ
Unit Converter — frequently asked questions
Which units can I convert?
Length (metres, feet, kilometres, miles), weight (grams, pounds), digital storage (bytes) and temperature (Celsius), among others.
How accurate are the conversions?
Results use standard conversion factors and are rounded for display. Use enough decimal places for scientific work.
Are my numbers uploaded or stored anywhere?
No. Unit Converter runs in your browser, so your numbers stay on your device and are never sent to our servers or saved anywhere.
Is Unit Converter really free? Do I need to sign up?
Yes, it is completely free. There is no account, signup, watermark or email to hand over; open the page and use it as often as you like.
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QUICK GUIDE
How to use Smart Unit Converter
- Fill in the fields above.
- Click Calculate.
- See the result instantly below.
Privacy
This tool runs in your browser. No data is ever sent to a server, and there is no usage limit.