Unit converter
Convert length, mass, temperature, volume, area and speed.
Convert several common measurement families from a single tool, with a simple selector to switch from one unit type to another.
Result
Approximation
Quick explanation
Choose a measurement family, enter a value, then select the source and target units.
The source unit is removed from the target list to avoid converting a unit into itself. You can also swap the two units, adjust the value with the + and − buttons, then copy the numeric result.
Try this too
Need a more specialized tool?
The Conversion category includes dedicated converters for more precise use cases.
Additional information
When should you use this general converter?
This unit converter is a quick entry point for common conversions: length, mass, temperature, volume, area and speed. It is useful when you want to switch quickly from one measurement family to another without opening several tools.
How is it different from specialized converters?
Specialized converters go further for a specific measurement family. They may include more units, more focused explanations and an interface designed around one type of measurement. This general converter intentionally stays more compact.
Available specialized tools
- Length converter and ancient length converter
- Mass converter
- Temperature converter
- Volume converter
- Area converter
- Speed converter
Negative values
Negative values are allowed for temperature because some scales can go below zero. They are blocked for length, mass, volume, area and speed, where a negative value usually does not make sense in this practical context.
Is data sent to the server?
No. Calculations are performed directly in your browser, without sending data to the AppErgo server.
Limits and reuse
AppErgo tools are provided free of charge for practical and informational purposes. Although care is taken in their design, a result may be incomplete, unexpected or incorrect. Before relying on a result for any important use, check it using an appropriate method.
To report a bug in the tool, you can use the dedicated bug report form.
Results produced by AppErgo tools may be copied and reused freely. When publicly reusing a result, a method or an AppErgo page, a link to the relevant page is appreciated.
Unless otherwise stated, AppErgo texts, images, visual elements, scripts, templates and internal components remain the property of AppErgo.
For any other request, you can contact the webmaster.