"A very nice, no-frills tool—the best of the lot." —Macworld Magazine (4 mice)

The easiest unit converter in the App Store is back and better than ever!

Converter helps you with the mess of units you encounter in your everyday life. Convert from feet to yards to meters to miles with only a few taps. Converter handles 76 measurement units of eight common types, including length, weight, temperature, speed, data, volume (including common cooking units like teaspoons), area, and time. And you can subscribe to our daily exchange rates to add support for 161 currencies.*

Converter is designed for easy, casual use, with big, beautiful displays that are usable in all light conditions and at arm's length. And it includes a four-function calculator for those times when you have twelve three-pound widgets and you need the kilogram equivalent.

* An optional Latest Exchange Rates subscription unlocks the currency converter and provides daily exchange rate updates for one year. Subscriptions are auto-renewing and are charged to your iTunes account. Your first year will be charged as soon as you subscribe; subsequent years will be charged up to 24 hours before the previous period expires. You can cancel at any time through the "Manage Subscriptions" button in Converter's About screen or your iTunes account's settings. Please cancel at least 24 hours before renewal to avoid being charged. For terms of use, see

What’s New

Version 4.3

Converter 4.3 supports the new iPhone X, improves unit selection, and makes decimals easier to enter in the calculator.

• You can now search the units in a category by name.
• The currency picker now divides currencies into alphabetical sections and lets you jump to a section.
• The currency picker now places the default currency for the user's device near the top of the list so it's easier to find.
• Converter now supports the iPhone X, and will keep content out of areas where it might be covered up.

Ratings and Reviews

4.7 out of 5
1.2K Ratings

1.2K Ratings

Keetorb ,

solid tool that works

i’ve been using this tool for years, and I’ve never had a situation where I was disappointed with it. I have used it for nearly every conversion it has and it always provides me accurate results with no hassles.

24liberty ,

Better than ever!

I (and my older eyes) love this updated version of Converter! So easy to use, and the currency subscription is totally worth 99 cents. 161 currencies—wow! I use this for international sales in my business, and I’m also heading for Europe in 3 weeks—I am sure this app will get lots of use!

Marty McSorley ,

A real winner!

This is definitely one of the most useful apps I've found. I travel overseas quite a bit and find the currency conversions a godsend.

The other conversions are great too. Who remembers the factors for quart/liter conversions and all toss other ones?

Very user-friendly too.

Now that there are so many more currency conversions than there were before, I’m more than willing to pay a dollar year for that!


Brent Royal-Gordon
9.1 MB

Requires iOS 11.0 or later. Compatible with iPhone, iPad, and iPod touch.



Age Rating
In-App Purchases
  1. Latest Exchange Rates $0.99


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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