Unit Converter Online — Length, Weight & Temperature
Convert length, weight and temperature instantly — metres, miles, kilograms, pounds, Celsius and Fahrenheit — in one page.
Unit Converter
Convert length, weight and temperature instantly — metres, miles, kilograms, pounds, °C and °F.
- Result
- —
- Also in
- —
How to use it
- Choose the type: Length, Weight or Temperature.
- Enter the value and pick From and To units.
- Tap “Convert” — the “Also in” line shows a second handy unit.
Frequently asked questions
How many metres in a mile?
1,609.34 metres. The converter uses exact factors for every unit it lists.
How do I convert Fahrenheit to Celsius?
(°F − 32) × 5 ÷ 9. The converter applies the formula both ways.
What units are included?
Length: m, km, cm, mm, miles, yards, feet, inches. Weight: kg, g, lb, oz. Temperature: °C, °F, K.
Is anything sent to a server?
No — all conversions run in your browser.
Related tools
More free tools from ToolsOwl — all browser-only, all safe.
VideoMy Video Inspector & Frame GrabberResolution, duration, size + 3 still frames from your own video.VideoVideo Link CheckerValidate a link, identify platform & ID, see the legal options.VideoFacebook Embed Code MakerOfficial embed code for a public Facebook video on your blog.
This tool never downloads other people's Facebook, TikTok or Instagram videos. It works only on files and text you provide. See our official download-your-own-video guide.