Convert anything, instantly.
A fast, clean unit converter for iPhone, iPad, Mac and Android. Type in either box and watch it convert live — across 20+ categories and hundreds of units, online or off.
Try the converter
Free, with an optional ad-free Pro upgrade.
Online converters
Popular converters
Free to use in your browser, with conversion tables and formulas.
Kilograms to Pounds Pounds to Kilograms Kilograms to Stone Stone to Kilograms Centimetres to Inches Miles to Kilometres Ounces to Grams Celsius to Fahrenheit All Converters
Features
Everything you need to convert
Built to be quick and uncluttered — the conversion you want, without the noise.
⇄ Live dual-box
Type in either side and the other updates instantly. Swap units with one tap.
☷ 20+ categories
Length, mass, temperature, area, volume, speed, data, energy and many more — hundreds of units.
⚠ Works offline
Everything works without a connection. Currency and crypto rates refresh when you’re online and cache for later.
☆ Save & reuse
Save conversions with a note, and revisit your recent ones any time.
☼ Light & dark
Follows your system theme, with a manual override. Clean in both.
A look inside
Clean, fast, and out of your way
A live converter, every category at a glance, and a proper dark mode.
Get the app
Now on iPhone, iPad, Mac and Android
Convertal is live on the App Store for iPhone, iPad and Mac, and on Google Play for Android.
