Unit Converter β Length, Weight, Temperature & More
Instantly convert length, mass, temperature, data and speed. Accurate, fast and easy to read.
π Runs entirely in your browser. Your input and output are never sent to a server or stored β fully private.
About this tool
This unit converter handles length, mass, temperature, data and speed, switching between metric and imperial units the moment you type. Choose a category, enter a value in any unit, and every equivalent updates at once β handy for cooking, travel, DIY, engineering or homework. It runs entirely in your browser, so results are instant and keep working offline once the page has loaded.
Frequently asked questions
What units can it convert?
It covers length (mm, cm, m, km, inch, foot, mile), mass and weight (g, kg, ounce, pound), temperature (Celsius, Fahrenheit, Kelvin), data sizes and speed. Pick a category, type a number in any field, and all the related units are calculated together.
How accurate are the conversions?
Conversions use the standard, internationally defined factors, so they are accurate enough for everyday and most professional use. Results are rounded for readability, so for very high-precision scientific work bear in mind that the displayed value may be shortened.
Is my data sent anywhere?
No. Every calculation runs locally in your browser, so nothing you type is uploaded to or stored on a server.