PipeFitter Calc: Offsets

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About this app

PipeFitter Calc works out pipe offsets and gives you the finished cut length — the number you actually mark on the pipe.

Enter the offset you need and the fitting angle. You get travel, run, the takeout at each end and the end-to-end cut, with the diagram to go with it.

SIMPLE AND ROLLING OFFSETS
Standard angles (11 1/4, 22 1/2, 30, 45, 60) or any angle you type. A rolling offset takes rise and roll and gives you the true offset, the travel, and the angle to roll the fittings to.

EXACT MULTIPLIERS, NOT SHOP RULES
The 45 degree multiplier here is 1.41421, not the 1.5 rule of thumb — on a 30 inch offset that shortcut is off by more than two and a half inches. Every result shows the multiplier and takeout it used, so you can check the work before you cut.

TAKEOUTS BUILT IN
Buttweld elbow takeouts per the published ASME B16.9 dimensions, including the small-size values where the usual ratios do not hold. Socket weld, threaded or shop-made fittings: enter the takeout once and save it.

INCHES WITH REAL FRACTIONS
A glove-sized pad with sixteenths on it. Type 18, tap 3/16, done — no converting to decimals in your head. Or switch the whole app to millimetres.

SHARE THE CUT SHEET
Send the diagram and every dimension as one image to whoever is cutting.

WORKS IN THE SHOP
No account, no sign-in, no connection needed. Everything is calculated on the phone, and the saved fittings stay there.

The app is supported by ads. There are none between entering a number and seeing the result.

This is a calculator, not an inspector — check every figure against your own measurements and fittings before cutting.

Questions or ideas? Write to creator.pando@gmail.com
Pipe offset, takeout and cut length calculator. Offline, inches or mm.
Updated on
Aug 13, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Device or other IDs
  • This app may collect these data types
    Device or other IDs
  • Data is encrypted in transit
  • Data can’t be deleted

What’s new

First release of PipeFitter Calc.

- Simple and rolling (3D) pipe offsets with standard or custom angles
- Fitting takeout subtracted at both ends for the end-to-end cut length
- Exact multipliers only (45 degrees is 1.41421, never the 1.5 shop rule)
- Buttweld elbow takeouts per published ASME B16.9 dimensions, plus your own saved fittings
- Inches with 1/16 fractions on a glove-sized pad, or millimetres
- Share the cut sheet as an image; works fully offline with no account
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Everyone
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App support

About the developer
강건한건강
creator.pando@gmail.com
대한민국 인천광역시 서구 서구 완정로 179, 6층 601-794호(왕길동, 제이원검단메디컬프라자) 22616
+82 10-9186-0759

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