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Initial release of BendMaster Pro! • Advanced Conduit Bending: Stub-Up, Offset, 3-Point & 4-Point Saddle, and Rolling Offset calculators. • Real-time interactive 2D bend diagrams & visual previews. • NEC Compliant Conduit Fill & Voltage Drop calculations. • Support for EMT, IMC, RMC, and PVC conduits. • Custom bender profiles & fractional tape measure tool. • Clean, modern interface designed for electricians and trades professionals.
Offline conduit bending calculator & NEC electrical engineering toolkit.
BendMaster Pro is the ultimate 100% offline conduit bending calculator and NEC electrical engineering toolkit designed specifically for master electricians, electrical contractors, apprentices, field technicians, and engineers. Whether you are bending EMT, IMC, Rigid (RMC), or PVC conduit in the field, or calculating complex electrical loads and raceway capacities on the job site, BendMaster Pro delivers instant, deterministic, shop-tested calculations without requiring an internet connection. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ⚡ CONDUIT BENDING CALCULATORS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Eliminate pipe waste, doglegs, and math errors with high-precision bending engines: • 90° Stub-Up Calculator: Calculate exact mark placement factoring in bender take-up, gain (deduction), center of bend, and developer setback. • Standard Offset Calculator: Solve conduit travel distance and total shrink using trigonometric cosecant multipliers for 10°, 15°, 22.5°, 30°, 45°, and 60° bend angles. • 3D Rolling Offset Calculator: Solve compound offsets requiring simultaneous horizontal roll and vertical rise. Calculates true offset distance, roll angle, and exact mark locations. • 3-Point Saddle Calculator: Clear round and square obstacles with 45° or 30° center bends and shrink compensation. • 4-Point Saddle Calculator: Dual-offset layout for clearing wide or flat rectangular obstructions. • Kick 90° Calculator: Seamlessly combine a 90-degree stub with an elevation kick to enter junction boxes and breaker panels. • Compound 90° Calculator: Solve complex 3D rotational bends with required pipe rotation angles. • Visual Vector Schematic: Interactive real-time conduit diagram displaying centerline, bend marks, direction arrows, reference stop edges, and dimensioned cut callouts. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ ⚡ NEC ELECTRICAL CALCULATORS ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ Engineered strictly in compliance with the National Electrical Code (NEC®): • Ohm’s Law Solver: Interactive 4-quadrant solver computing Voltage (V), Current (I), Resistance (R), and Power (P). • AC Power Calculator: Analyze Single-Phase and Three-Phase circuits (Real kW, Apparent kVA, Reactive kVAR, and Power Factor). • Voltage Drop Calculator: Verify compliance with NEC 210.19(A) (3% branch, 5% total drop limits) for single/3-phase copper & aluminum conductors using NEC Chapter 9 Table 8 AC/DC resistances. • Conduit Fill Calculator: Enforce NEC Chapter 9 Table 1 fill limits (53%, 31%, 40%) across EMT, IMC, RMC, and Schedule 40/80 PVC with THHN, THWN, and XHHW conductors. • Box Fill Calculator: Calculate minimum enclosure cubic inch (in³) volume requirements per NEC Article 314.16(B). • Wire Sizer & Ampacity: Recommend minimum AWG/kcmil conductor size based on load current, continuous duty (125%), ambient temperature correction, and 60°C/75°C/90°C ratings (NEC Table 310.16). ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔧 BENDER PROFILES & UTILITIES ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • Pre-Calibrated Benders: Pre-loaded manufacturer specs for Klein Tools®, Greenlee®, and Ideal Industries® hand benders (1/2", 3/4", 1" EMT & Rigid). • Custom Calibrations: Measure and save your shop-specific take-up and gain values for specialized bender shoes. • Tape Measure Fractional Calculator: Mixed-fraction arithmetic with decimal conversion and 1/16" & 1/32" rounding. • Vector PDF Reports: Generate and print clean, professional field calculation spec sheets directly from your phone. • Dual-Unit System: Instant one-tap toggle between US Imperial (inches, feet) and Metric (mm, cm, meters). • Saved Projects & History: Organize calculations by job site and access past calculations instantly. ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ 🔒 100% OFFLINE & PRIVACY-FIRST ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━ • Works completely without cellular data or Wi-Fi. • Zero ads, zero pop-ups, zero account registration, and zero data tracking. All calculations remain strictly on your local device.