Unit Converter
Utility ToolsLength, weight, temp, area & volume
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The tool runs inside your visitor's browser, nothing is uploaded, and a small "Powered by ToolCloak" line stays under it. The second line (script) is optional: it makes the frame fit the tool's height.
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History
All history →Unit Converter — at a glance
Convert between everyday units — length, weight, temperature, area and volume.
How to use it — step by step
Metric and imperial units are both supported.
Choose category
Select length, weight, temperature, area or volume.
Enter value
Type the number you want to convert.
Pick units
Choose the “from” and “to” unit.
Get the answer
The converted number shows instantly.
Pro tips
Small things that make the result better.
Quick facts
Frequently Asked Questions
How accurate is it?+
It uses standard conversion factors and shows precise decimal results.
Which units are supported?+
Common metric and imperial units like meters, feet, kg, pounds, °C, °F, litres and gallons.
Is this tool really free?+
Yes — completely free, no signup, no watermark and no usage limit.