Unit conversion reference
This unit converter is designed for common everyday calculations across length, weight, temperature, area, volume, speed, time and digital data. It uses fixed conversion factors for standard units and separate formulas for Celsius, Fahrenheit and Kelvin.
When to use it
- Checking metric and imperial measurements before ordering, building or cooking.
- Converting travel speeds, distances and time values.
- Comparing decimal data units such as MB with binary units such as MiB.
Accuracy notes
Most categories use internationally accepted fixed relationships, such as one inch equaling 0.0254 meters. Month and year values are approximate averages, so use calendar-aware tools for legal, payroll or deadline calculations.