About Unit Converter
This tool lets you instantly convert between different units of measurement across length, weight, temperature, volume, area, and speed categories.
Select a category, choose your from and to units, and enter a value to see the converted result instantly without reloading the page.
Common conversion references
- 1 mile = 1.60934 kilometers
- 1 kilogram = 2.20462 pounds
- 1 gallon (US) = 3.78541 liters
- 0°C = 32°F = 273.15 K
- 1 acre = 4046.86 square meters
Frequently Asked Questions
This tool supports Length, Weight, Temperature, Volume, Area, and Speed, covering both metric units (meters, kilograms, liters) and imperial units (miles, pounds, gallons).
Temperature scales don't share a common zero point, so conversion needs a formula rather than a simple multiplier — e.g. Celsius to Fahrenheit uses (C x 9/5) + 32.
Results use standard conversion factors accurate to 5 decimal places, precise enough for everyday, academic, and most professional use cases.
Yes, use the swap button between the two unit fields to instantly reverse the From and To units and recalculate in the opposite direction.
A US gallon (used here) is about 3.785 liters, while a UK imperial gallon is about 4.546 liters. Always check which standard applies to your use case.
The Volume category includes cups, milliliters, and liters, which can help with cooking conversions, though these can vary slightly by region and ingredient density.