Pipe Fitter Calculator: Offset

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About this app

Set, roll and angle in. Cut length out.

Pipe Fitter Calculator is a rolling offset and takeout calculator for pipe fitters, welders, apprentices and pipe designers. Type what you measure on site, pick the fitting size and read the cut length between two fittings.

INCLUDED
• Offset: simple and rolling offsets from set, roll and fitting angle. Travel, run, the takeout of each fitting and the cut length with weld gap, in feet, inches and sixteenths.
• Pipe data: outside diameter, inside diameter, wall and weight per foot for STD and Sch 40, NPS 1/8 to 24.
• Tape math: add and subtract feet-inch-sixteenths without rounding drift, and convert fractions, decimals and millimetres.

PRO (ONE-TIME PURCHASE, NO SUBSCRIPTION)
• Every fitting angle: 5-5/8, 11-1/4, 22-1/2, 30, 60 and 90 degrees besides 45.
• Odd-angle cuts: the centre-to-face of a 90 degree elbow cut down to any angle.
• Takeout chart: butt-weld fitting dimensions (ASME B16.9) for 90 degree long and short radius elbows, 45 degree elbows, returns, tees and caps.
• Miter bends: cut angle, piece lengths and a 16-station wrap template for 2 to 8 pieces.
• Saddle, lateral and dummy-leg templates: 16 numbered stations, marked back from the longest one.
• Flange bolt-up (ASME B16.5, class 150, 300 and 600): bolt count and size, bolt circle, stud length and wrench size estimate, torque in 3 passes and the star tightening order.
• Pipe data for Sch 10, XS, Sch 80, Sch 160 and XXS.
• My Spools: save every cut with a name and a note.
• Metric (mm) display.
• No ads.

BUILT FOR THE SHOP FLOOR
• Big readable numbers, glove-sized buttons, dark theme.
• Works offline. No account.
• Copy or share any result as text.

The version without Pro contains ads. Pipe Fitter Calculator is an aid for qualified pipe fitters. It does not replace your isometric drawings, specification or applicable code. Always confirm before you cut.
Rolling offsets, takeouts, miters, templates and flange bolting. Works offline.
Updated on
Nov 12, 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
    Location, App activity and 2 others
  • This app may collect these data types
    Location, App activity and 2 others
  • Data is encrypted in transit