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Pipe offset and fitting calculators. Works offline. No pop-up ads.
Offsets
Pipe Offset Calculator
Travel and run for 11¼, 22½, 30, 45 and 60° offsets, with the multipliers.
Rolling Offset Calculator
True offset, travel, run and roll angle from rise and roll. Or the fitting angle for a set run.
Parallel Offset Calculator
Several pipes through the same offset: where each next one starts so the spacing stays equal.
Cuts & fabrication
Pipe Cut Length Calculator
Center-to-center minus fitting take-outs and weld gaps. Plus take-out of an elbow cut to any angle.
Mitered Elbow Calculator
Segmented elbow from straight pipe: cut angle, segment lengths (long and short side) and take-out.
Measure & convert
Pipe Slope Calculator
Fall over a run at ¼", ⅛" or any slope per foot, or the slope from a measured drop. IPC minimums.
Feet-Inch Calculator
Add, subtract, multiply and divide feet, inches and fractions.
Right Triangle & Squaring Calculator
Rise, run, diagonal, angle and pitch; diagonals and 3-4-5 for squaring.
Construction Unit Converter
Convert feet, inches, meters, sq ft, acres, cu yd, gallons, pounds, tons and more.
Bubble Level
Phone level and inclinometer: angle, slope % and rise per foot.

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Round to
1/8"
1/16"
1/32"
Type a fraction as 1/2 (no spaces). Use ÷ to divide. Multiply two lengths to get an area.