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Cutline 1.0 - Full 4095 Calculator mode with every key mapped to its manual behaviour - 7 Quick Calc screens: offset, rolling offset, take-out, spool cut, slope, cutback, velocity & pressure loss - Set pipe spec once, persists across all calcs - Fraction-native keypad for feet, inches, and sixteenths - Pipe data reference: NPS ⅛″ to 42″, 12 materials, 6 schedule types - Tape history saves your last 100 answers - Standard, dark, and high contrast display modes - Fully offline
Pipe offset, rolling offset, take-out & cut length in seconds. Fully offline.
Cutline is a pipe fitting calculator and rolling offset calculator for pipefitters, plumbers, steamfitters, sprinkler fitters, welders, and HVAC techs. From first-year apprentices to journeymen running spools all week. One number in, one answer out. Tap a calc, type the offset, pick an angle, read the cut length. Five to fifteen seconds, phone back in the pouch. No ads. No account. Works fully offline. ROLLING OFFSET CALCULATOR Enter any two of rise, roll, and run. Get true offset, travel, roll angle, and cut length on one screen, with takeout and weld gap already deducted. PIPE OFFSET CALCULATOR Enter the offset and any angle: 11.25°, 22.5°, 45°, 60°, or custom. Travel, run, and cut length, ready to mark. TAKEOUT & FITTING ALLOWANCE LOOKUP Instant takeouts (take-off, center-to-end) for any fitting at any standard angle. Butt weld, socket weld, threaded, grooved/Victaulic, copper solder, and PVC solvent weld. SPOOL CUT LENGTH Different fittings at each end, no problem. Enter end-to-end, pick the fittings, read the cut. PARALLEL OFFSET CUTBACK 2, 3, or 4 parallel lines through an offset. Cutback distance for each line. DRAIN SLOPE CALCULATOR Enter percent grade, inches per foot, or degrees. Get the other two plus drop over run. Drain lines, sewer pipe, and process piping. PIPE VELOCITY & FRICTION LOSS Enter pipe size, material, length, and GPM. Velocity in ft/s plus Hazen-Williams friction loss in psi per 100 ft and total psi. FULL 4095 CALCULATOR MODE A complete 4095-style keypad with every key wired to its manual behaviour. Trig for odd-angle fittings, powers, DMS, hydraulics, take-off lookup, pipe-spec cycling, and memory registers. The workflow you already know. SET YOUR PIPE SPEC ONCE Size, material, schedule, fitting type, and weld gap live in a bar at the top of every screen, and persist across calcs and across days. Running 2″ SCH 40 steel butt weld long radius all week? Set it Monday morning and forget it. PIPE DATA: STEEL, COPPER, PVC, PEX & MORE OD, wall thickness, weight per foot, ID, internal area, and takeouts for NPS ⅛″ to 42″. Carbon steel, stainless 304/316, brass, copper K/L/M, aluminum, cast iron, PVC, CPVC, ABS, PEX, and HDPE. Schedules 5, 10, 40, 80, 160, and XXS. Data from ASME B36.10M, B36.19M, B16.9, B16.11, B16.3, ASTM B88, D1785, and published manufacturer tables. BUILT FOR THE JOBSITE - Fraction-native keypad: type feet, inches, and sixteenths directly. No decimal conversion. - Tap targets 48 dp or larger for gloved hands. - Tape history keeps your last 100 answers, so you can glance back without recalculating. - Standard, dark, and high-contrast modes for mechanical rooms, night shifts, and direct sun. - Feet-inch-fractions, decimal inches, or millimetres. Adjustable text size. - Works in airplane mode. Basements, mechanical rooms, remote jobsites. PRIVACY No account. No cloud sync. No analytics. No internet permission beyond the contact form and Play billing. What you enter stays on your device. TRY IT FREE Your first 25 calculations are free, no account needed. After that, try any subscription for 7 days, or pay once and own it for life. Pipe math. Fast.