# Calendar Week Calculator

> Calculate project durations, start, and end dates using week-based inputs. (iPhone/iPad app by Schnitzer Anlauf- und Projektmanagement GmbH.)

- Source: https://appshunter.io/ios/app/calendar-week-calculator/id550088570 (this page in markdown: same URL + `.md`)
- Developer: [Schnitzer Anlauf- und Projektmanagement GmbH](https://appshunter.io/developer/550088573)
- Category: Productivity, Business
- Price: Free
- Age rating: 4+
- Requires: iOS 8.0 · 10 MB
- Languages: American English, German (Germany)
- Released: 2012-08-10
- Data updated: 2026-06-01
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/calendar-week-calculator/id550088570/reviews.md

## What is Calendar Week Calculator?

Now it's even faster to find out how long the project will last, when the start date is or when it will end!

The calendar week calculator from Schnitzer Anlauf- und Projektmanagement GmbH (Ramp-up and Project Management) supports this and enables fast and easy scheduling or calculation of projects.

- You have projects, know the start/end date and would really like to calculate the duration?

- You have a project that lasts a certain number of weeks and you would really like to set the associated start and end date?

No problem with the calendar week calculator from the Schnitzer Group!

The Schnitzer calendar week calculator complies with the ISO 8601 standard, which is applied in Germany and most European countries.

The following calculations are possible:
Start date input + Duration in weeks = End date output
End date input + Duration in weeks = Start date output
Start date input + End date = Duration in weeks output

## Key features

- Calculate project duration from start and end dates
- Determine end date from start date and duration
- Determine start date from end date and duration
- ISO 8601 compliant calculations
- Fast and easy project scheduling

## Recent user reviews (5 of 5)

All indexed reviews: https://appshunter.io/ios/app/calendar-week-calculator/id550088570/reviews.md

### 5/5 — Top

*2018-01-01, version 1.4*

Für Projektbesprechungen echt top

### 4/5 — Besser als die "Drehscheibe"

*2013-01-24, version 1.0*

Für die Durchlaufzeitenermittlung optimal. Besser als die üblichen Drehscheiben.

### 5/5 — Hilfreiche App.

*2013-01-15, version 1.0*

Sehr einfache Bedienung, sehr zu empfehlen um eine schnelle Projektlaufzeit zu ermitteln.

### 5/5 — Gut

*2012-08-27, version 1.0*

Einfach und nützlich....

### 5/5 — Schnitzer

*2012-08-10, version 1.0*

Super Praktisch!!!

## Frequently asked questions about Calendar Week Calculator

### What calculations can Calendar Week Calculator perform?

Calendar Week Calculator allows you to calculate the end date given a start date and duration in weeks, the start date given an end date and duration in weeks, or the duration in weeks given a start and end date. It supports ISO 8601 standard calculations.

### Is Calendar Week Calculator free to use?

Yes, Calendar Week Calculator is available for free. It does not have any in-app purchases or advertisements.

### What devices does Calendar Week Calculator support?

Calendar Week Calculator is designed for iOS devices, specifically iPhones and iPods. It is not available on Android devices.

### How often is Calendar Week Calculator updated?

The app was last updated on January 16, 2017, with version 1.4. It was originally released on August 10, 2012.

### What is the age rating for Calendar Week Calculator?

Calendar Week Calculator has an age rating of 4+, making it suitable for a wide range of users. The app is designed for general productivity tasks.

### Does Calendar Week Calculator integrate with other calendar apps?

The provided information does not specify integration capabilities with other calendar applications. It functions as a standalone calculator for project timelines.

### What is the primary benefit of using Calendar Week Calculator?

The primary benefit is its speed and ease of use for calculating project durations, start dates, or end dates based on week inputs, adhering to the ISO 8601 standard for accuracy.

## Version history (last 5 releases)

### 1.4 — 2017-01-16

This app has been updated by Apple to display the Apple Watch app icon.

Now also the actual day will be added to the calclated project days.
Setting project start- / enddate depending on each other (no more minus values).

### 1.3 — 2016-10-13

iOS 10 Update

### 1.2.2 — 2016-04-14

Update app icons (iPad Pro)

### 1.2.1 — 2016-01-20

Update for iOS 9

### 1.2 — 2014-02-09

iOS 7 Update

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## More apps by Schnitzer Anlauf- und Projektmanagement GmbH

- [Tool Tracker](https://appshunter.io/ios/app/tool-tracker/id1213925304)

All apps by Schnitzer Anlauf- und Projektmanagement GmbH: https://appshunter.io/developer/550088573

## Related topics

[calendar week calculator](https://appshunter.io/ios/topics/calendar-week-calculator)

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-01.*