Convert
Convert between units in 13 categories, from cups and grams to miles per gallon.
Coming to the App Store
Thirteen categories
Length, mass, volume, temperature, area, speed, time, data, energy, pressure, angle, fuel economy and cooking. Pick one, choose two units and type a number.

Recent conversions
Pairs you've used lately stay in a row under the converter, one tap away.

Every unit at once
Scroll down to see your number in every unit the category has, with the one you picked highlighted.

Everything happens on your iPhone, so Convert works without an internet connection.
Free. No ads, no subscriptions, no account.
If you want to leave a tip, there’s a tip jar in Settings. Every feature works whether you do or not.
Questions
If something isn’t working in Convert, or you have a question, email me at kevin@silicroncode.com.