# Piping Offset Calculator — Calcs angles & lengths piping

> Calculates piping offset dimensions, cut lengths, and bend angles for various configurations. (iPhone/iPad app by Jean-Paul Lanaux.)

- Source: https://appshunter.io/ios/app/piping-offset-calculator/id483337421 (this page in markdown: same URL + `.md`)
- Developer: [Jean-Paul Lanaux](https://appshunter.io/developer/306486995)
- Category: Utilities, Reference
- Price: $4.99
- Rating: 3.90/5 from 15 App Store ratings · 28 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.0 · 1 MB
- Languages: American English
- Released: 2011-12-15
- Data updated: 2026-09-04
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/piping-offset-calculator/id483337421/reviews.md

## What is Piping Offset Calculator?

Piping Offset Calculator provides precise dimensions and cut lengths for different types of piping offset spool configurations, pipe sizes, and bend angles. Piping Offset Calculator is designed to be used by draftsman, designers, engineers, and construction personnel.

Piping Offsets have never been easier to calculate. The offset calculator is very intuitive and flexible: the graphical menu is provided to easily select the type of offset you wish to compute. User supplies any three sides and/or angles combination(s).

The user is presented with the solved graphical representation of the offset. The complete graphics include multiple solution views which provide clear, graphical, design and fabrication data. All bend angles, tangents, cut lengths, rise, run, hypotenuse, miter angles, roll angles, inside and outside arc lengths of mitered ells, etc are presented.

User can select 1/4" through 48" pipe sizes, preset bend or ell radius, or the user can also choose a fixed user input numerical radius for those unusual bend radius requirements.

Even though the offset calculator automatically calculates trimmed elbows (per user request), now includes a separate tool to calculate trimmed elbow dimensions. 

To learn more about this useful tool, browse www.jplanaux.com or go to you tube and search "Piping Offset Calculator".

## Key features

- Calculate precise dimensions and cut lengths
- Support for various piping offset configurations
- Graphical menu for easy offset type selection
- Input any three sides and/or angles
- Detailed graphical representation of offsets
- Calculate miter and roll angles
- Support for 1/4" through 48" pipe sizes

## Recent user reviews (10 of 28)

All indexed reviews: https://appshunter.io/ios/app/piping-offset-calculator/id483337421/reviews.md

### 2/5 — Génial MAIS MANQUE DE DIAMÈTRE

*2019-09-19*

L’appli est top pour tous les calculs mais je trouve qu’il manque beaucoup de diamètre je travaille sur les échappements en inox (diamètre 48-50-53-55-57-60,3mm) mais sur l’application on trouve que du 40 50 60... mais pas du taille plus précise merci de revoir se point là

### 1/5 — Not very accurate

*2019-02-15*

I’ve been in the trade for 13 years and have done these calculations by hand. Still do. This app was fairly accurate if you stayed below 10” for your rise and run. But the travel length the app gives oddly seems to be cut in half of what it actually is. Anything I tried with the rise or run over 10” was just turned out to be the wrong measurement. Don’t waste your money like I did.

### 1/5 — Crash...

*2015-12-13*

I update to the last version in Nov-14, and after that, the app crash every time.
I have IOS 6.1 in my iPod touch 4, which should be compatible with this app.

### 1/5 — iOS 8.2

*2014-10-05*

Can't get it to operate on iOS 8.2
Tried to email but could not get through to them tried repeatedly can't get through their spam filter

### 5/5 — Better than the other one!

*2013-08-28*

I mistakenly bought an app made by a competitor first, it seamed ok at first then an update made it very confusing. So in frustration I purchased this app and wow, it's so simple a stupid pipe fitter like me can use it. Don't look anywhere else, you have come to the right place first. I have now purchased two other apps from this builder and like them just as well. Thanks for making your apps stupid simple!!

### 5/5 — Excellent

*2013-07-16*

It's great very useful, easy to use, makes fitting pipe work on site jobs and in workshop quick and accurate. You should get it !

### 5/5 — Great app

*2013-04-15*

Great helps out a lot

### 5/5 — App

*2013-04-05*

Awesome app

### 5/5 — Awesome app.

*2013-02-03*

I've been using this app for awhile. This app solves all offset configurations. There are no other apps that do what this app does. Enter in the dimensions or angles is super easy. Output works every time. Dimensions are perfect. No fit up problems. Measure twice and cut once is all I have to remember!!!

### 5/5 — Best fitter app!

*2013-02-03*

It has a lot more offset&roll options. Allows choice of angle, adding weld gap, 4 options for fitting radius including user input choice. Tap the side/angle on the drawing to enter your options can't be more user friendly than that :-)

## Frequently asked questions about Piping Offset Calculator

### What is the price of Piping Offset Calculator?

Piping Offset Calculator is a paid app priced at $4.99. This one-time purchase grants access to all its features for calculating piping offsets.

### What devices is Piping Offset Calculator compatible with?

Piping Offset Calculator is available for iPhone and iPod. It is designed for iOS devices.

### How often is Piping Offset Calculator updated?

The latest version, 4.0.1, was released on November 8, 2020. While updates have not been very frequent recently, the app provides core functionality for piping calculations.

### What kind of piping sizes does Piping Offset Calculator support?

Piping Offset Calculator supports pipe sizes ranging from 1/4 inch through 48 inches. This wide range accommodates various project needs.

### Can Piping Offset Calculator calculate trimmed elbows?

Yes, Piping Offset Calculator automatically calculates trimmed elbows based on user requests. It also includes a separate tool specifically for calculating trimmed elbow dimensions.

### What information does Piping Offset Calculator provide for fabrication?

The app provides comprehensive fabrication data, including bend angles, tangents, cut lengths, rise, run, hypotenuse, miter angles, roll angles, and inside/outside arc lengths of mitered ells.

### What is the age rating for Piping Offset Calculator?

Piping Offset Calculator has an age rating of 4+. This indicates it is suitable for users of all ages.

### What is the user sentiment for Piping Offset Calculator based on ratings?

Piping Offset Calculator has an average rating of 3.8 stars from 14 ratings. This suggests generally positive but mixed user reception.

## Version history (last 5 releases)

### 4.0.1 — 2020-11-08

updated

### 4.0.0 — 2018-12-10

updated for latest iphone hardware models

### 3.0.0 — 2018-03-10

updated graphics for iPhone X

### 2.0.1 — 2017-04-28

minor bug fixes

### 2.0.0 — 2017-04-10

Updated to support iPhone 6 & 7

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## More apps by Jean-Paul Lanaux

- [Piping Abacus](https://appshunter.io/ios/app/piping-abacus/id421739105)
- [Piping Support Selector](https://appshunter.io/ios/app/piping-support-selector/id497652271)
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- [Piping Base Elbow Layout Calc](https://appshunter.io/ios/app/piping-base-elbow-layout-calc/id537390779)
- [Tangential Nozzle](https://appshunter.io/ios/app/tangential-nozzle/id1440414408)

All apps by Jean-Paul Lanaux: https://appshunter.io/developer/306486995

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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 2026-09-04.*