Unit Converter
Convert between various units.
About this tool
The Unit Converter converts between metric and imperial units across multiple categories: length, weight, temperature, volume, speed, and area. It provides instant, accurate conversions without needing to memorise conversion factors.
How it works
- Select the measurement category (e.g., Length, Weight, Temperature).
- Enter a value in the 'From' unit field.
- Select the 'From' and 'To' units.
- The converted value appears immediately.
Example use cases
- Cooking recipe: Convert 2.5 cups to millilitres (591 mL) for a recipe that lists ingredients in metric units.
- Running distance: Convert 5 km to miles (3.11 miles) or a marathon (42.195 km) to miles (26.22 miles).
Frequently asked questions
How accurate are the conversions?
Conversions use standard SI-defined exact factors (e.g., 1 inch = 2.54 cm exactly). Results are displayed to 6 significant figures, which is sufficient for all everyday purposes.
Does it support cooking units like cups, tablespoons, and teaspoons?
Yes - the volume category includes US and metric cooking units: teaspoons, tablespoons, cups, pints, quarts, gallons, and litres.