Convert between hundreds of units across length, weight, temperature, volume, area, speed, pressure, and more. This free unit converter supports metric and imperial systems with accurate conversion formulas.
Choose from Length, Weight, Temperature, Volume, Area, Speed, or Pressure. Each category contains multiple conversion pairs.
Select the specific conversion you need, such as cm to inches, kg to pounds, or Celsius to Fahrenheit.
Type the numeric value you want to convert. The result appears instantly when you click the Convert button.
Use the Copy button to copy the conversion result to your clipboard for use in other applications.
Q: How accurate are the conversions?
A: Conversions use standard scientific formulas with results rounded to 6 decimal places for maximum accuracy.
Q: Can I convert in both directions?
A: Yes. Use the From/To toggle to convert in either direction. For example, cm to inches or inches to cm.
Q: What units are supported?
A: Length, Weight, Temperature, Volume, Area, Speed, and Pressure with metric and imperial options.