Elbow app icon

Pick your fittings, get the cut length

Take-outs, weld gaps and thread make-up are subtracted for you. Every number shows its math.

Download on the App Store
Offset screen: 45 degree offset in 4 inch carbon steel, cut 28-11/16 inches, with the take-outs and gaps listed.
Cut sheet for Run 2: total pipe 7 feet 11-3/16 inches, three pieces A, B and C.
Slope gauge reading 0.27 inches per foot, marked Meets 1/4 inch per foot.

What it does

  • 45°

    Offsets at any angle and rolling offsets

    Set the offset, read run, travel and the cut. Solved the way fitters think.

  • 2-1/2"

    Cut length between real fittings

    From take-out tables, with the catalog and page each value came from. Edit it when your fittings differ.

  • 2 × 1/8"

    Show the math

    Every step is listed, from center to center down to the cut.

  • 7' 11-3/16"Pro

    Cut sheets for a whole run

    Total pipe and random lengths. Share a PDF or print it.

  • 1/4" per ft

    Slope in inches per foot

    With the IPC 2021 / UPC 2021 minimum for the size, and a live slope gauge.

  • Offline

    Works with no signal

    No account. No ads.

Free and Pro

Free

Everything a fitter needs every day.

  • Offset
  • Rolling offset
  • Cut length
  • Water volume
  • Drain slope and slope gauge
  • Pipe size tables
  • Edit take-outs in the free tables
  • Last 5 results

Pro

One payment

One payment, no subscription. The price is shown in the App Store.

  • Full take-out library for 15 fitting families
  • Edit any take-out in the full library
  • Cut sheets with PDF and print
  • Equal spread
  • Cut an elbow
  • Miter wrap template printed at actual size
  • iCloud sync

Where the numbers come from

Take-outs

From manufacturers' public catalogs. Each value lists the publisher, the page and the date it was checked.

Slope minimums

From IPC 2021 and UPC 2021, for each pipe size.

Show the math

Every result has Show the math, with each step from your measurement to the cut.

FAQ

Does it need signal?

No. Everything works on your iPhone with no signal.

Is it a subscription?

No. Pro is one payment.

Can I change a take-out?

Yes. Edited values are marked.

Is it code approved?

No. It is a field aid: verify take-outs on your fittings and check your local code before cutting.