Unit Conversions
Convert everyday units instantly — length, weight, volume and a general multi-unit converter for quick answers. Whether you are following a recipe that lists milliliters but your measuring cup reads in cups, buying furniture measured in centimeters for a room you know in inches, or tracking body weight across metric and imperial, these converters give you instant answers with no mental math. Reach for the single-pair converters — Centimeters to Inches, kg to lbs, Cups to ml — when you need one specific conversion fast with the simplest possible interface. Pull up the general Unit Converter when you need length, weight, temperature, area, volume, or speed in one place, or when your unit pair does not have a dedicated tool.
1 free tools — no downloads, no sign-up.
All Unit Conversions tools
Common workflows
A cook follows a European recipe calling for 250 ml of milk; they open the Cups to Milliliters Converter, enter 250, and see it equals roughly 1 US cup — no math, no mess.
A traveler buying a bag listed in centimeters opens the cm to inches converter to confirm 55 cm fits the airline's 22-inch limit.
A tracker user weighing in kilograms wants to share progress with friends who use pounds; the kg to lbs converter gives them the number instantly.
Frequently asked questions
Are conversions exact?
Yes, they use standard conversion factors and round sensibly for display.
Do I need internet to convert?
No, conversions are calculated locally in your browser.
Which units does the general converter support?
A range of length, weight, volume and other everyday measurement units.