ChronoCalc is designed to streamline all your time calculation needs.
- If I start work at 8:40, and end at 4:25, how much time has passed?
- What time will it be in 5 and a half hours? What time was it 5 and a half hours ago?
- If I watch 8 episodes lasting 43 minutes each, how much total time is that?
- How many hours are 143 minutes?

- Addition, Subtraction, Multiplication, and Division
- Subtract From operator lets you enter start times before end times - perfect for long lists of calculations
- Millisecond precision
- AM, PM, and Military/24h time
- Intervals can be entered as H:M:S:MS or as decimals
- Activity Timer makes it easy to get the elapsed time between the start and end of an activity
- Easily convert between hours, minutes, seconds, and milliseconds
- 6 different color schemes to choose from

What’s New

Version 1.2

This app has been updated by Apple to use the latest Apple signing certificate.

Fixed bug that caused app to crash in iOS 9
Minor graphics improvements

Ratings and Reviews

5.0 out of 5
1 Rating

1 Rating

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App Review

This app is helpful tool towards time management skills!!

App Privacy

The developer, Augusta University, has not provided details about its privacy practices and handling of data to Apple.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

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

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