USA 2026 calculator
US Unit Converter (Imperial to Metric)
Convert common US units to metric and metric units back to imperial for everyday travel, shopping, shipping and study needs.
This tool provides an estimate for informational use. Check official federal, state, school, employer or medical sources before relying on results.
FAQ
Does this use US gallons?
Yes. Gallon conversions use the US liquid gallon, not the imperial gallon.
Which units are most useful for US users?
Common conversions include pounds to kilograms, Fahrenheit to Celsius, miles to kilometers and gallons to liters.
Are conversions rounded?
Results are displayed to four decimals for readability.
Can I use negative temperatures?
Yes. Temperature conversions support negative Fahrenheit or Celsius values.