FitterCalc vs PipeAtlas

The pipe trades calculator that shows its work. Offsets, rolling offsets, cut lengths, takeouts, cutbacks, elbow cut marks, pipe data, and slope — computed correctly, displayed in feet-inch-fractions, and verified against published handbook values. Every answer can show the exact formula with your numbers in it. If you can check it, you can trust it. PAY ONCE. OWN IT FOREVER. No subscription. No account. No ads. Works with zero signal — in the basement, on the rack, in the hole. BUILT FOR THE FIELD - Feet-inch-fraction keypad made for gloved hands — big keys, big text - Live diagrams that redraw as you type - Fitting-angle presets: 5.625° to 90°, plus custom - Metric mode throughout (mm in, mm out) - Tap any result to switch ft-in / inches / mm THE MATH IS THE PRODUCT - Take-outs from published ASME B16.9 dimensions — including the small-size values the simple formula gets wrong - Pipe data from ASME B36.10M published weights - Welder's gap handled per joint, adjustable, zero allowed - "Show My Work" on every calculation — formula, your numbers, full-precision result, final fraction FREE FOREVER Simple offsets (known & unknown angle), slope & drop, and the feet-inch calculator with paperless tape — full versions, no limits. Prove the math on a real job before you pay a dime. FITTERCALC PRO — ONE PURCHASE Cut lengths with take-outs and gap, rolling offsets, rolling cut lengths, cutback & elbow cut marks, full pipe data tables, and saved jobs with shareable cut lists. Found an answer you can question? The Show My Work screen has a report link. It gets fixed.

PipeAtlas is a professional piping engineering reference app for piping engineers, mechanical engineers, designers, fabricators, and inspectors. Access essential piping dimensions, weights, and engineering data anytime — in the office, workshop, or field. PipeAtlas provides a comprehensive database covering flanges, fittings, valves, pipes, gaskets, branch connections, fasteners, and piping design references based on international standards. FEATURES • Pipe dimensions and weights • Flange dimensions and weights • Pipe fitting dimensions and weights • Valve dimensions and face-to-face data • Gasket and fastener reference data • Piping component lookup • Engineering design references DATA COVERAGE PipeAtlas covers commonly used piping components and standards: 1. Flanges 1.1 ASME B16.5 Flanges • Weld Neck Flange • Slip-On Flange • Blind Flange • Threaded Flange • Socket Weld Flange • Lap Joint Flange 1.2 ASME B16.47 Flanges • Series A Flanges • Series B Flanges • Weld Neck Flange • Blind Flange 1.3 API 6A Flanges • Type 6B • Type 6BX 1.4 Other Flange Standards • ASME B16.36 Orifice Flanges • ASME Compact Flanges • EN 1092-1 Flanges • BS 10 Flanges • Hub and Clamp Connections 2. Pipe Fittings 2.1 ASME B16.9 Butt Weld Fittings • Elbows • Tees • Reducers • Caps 2.2 ASME B16.11 Forged Fittings • Threaded Fittings • Socket Weld Fittings 3. Valves ASME B16.10 Valve Dimensions Supported valve types: • Gate Valve • Globe Valve • Ball Valve • Check Valve • Butterfly Valve • Control Valve Including: • Flanged Valves • Butt Weld Valves • Threaded Valves • Socket Weld Valves 4. Line Blinds & Spacers ASME B16.48 Line Blanks • Spectacle Blind • Line Spade • Spacer • RTJ Ring Types 5. Welded Branch Connections Supported components: • Weldolet • Sockolet • Threadolet • Elbolet • Latrolet • Nipoflange • Flanged Branch Connections 6. Gaskets Supported gasket data: • Flat Ring Gaskets • Spiral Wound Gaskets • RTJ Gaskets (ASME B16.21) • Type R / RX / BX Rings 7. Pipes Pipe dimensions based on: • ASME B36.10M • ASME B36.19M Including: • Pipe by Schedule • Pipe by Wall Thickness 8. Fasteners • ISO Nuts • UNC Nuts 9. Design References Engineering references include: • ASME Composite Dimensions • Pipe Flexibility Reference • Pipe Leg Calculation • Pipe Loop Calculation • Safe Pipe Spans • Safe Pipe Spacing SUPPORTED STANDARDS • ASME B16.5 • ASME B16.9 • ASME B16.10 • ASME B16.11 • ASME B16.36 • ASME B16.47 • ASME B16.48 • ASME B16.21 • ASME B36.10M • ASME B36.19M • API 6A • EN 1092-1 • BS 10 Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/