Conduit Bending Calculator

The conduit bending calculator for electricians: every bend type, plus conduit fill, voltage drop and NEC reference tables. One-time Pro unlock — no subscription. BendSnap is the pocket conduit bending calculator built for electricians. Get accurate mark points for every bend type in seconds—no trigonometry, no math errors, no scraps of paper. ALL YOUR BENDS IN ONE PLACE • Offset bends — 30°, 45°, 60°, 22.5° and any custom angle • Stub-Up (90°) — auto take-up by conduit size • Saddle bends — 3-point and 4-point obstacle crossings • Back-to-Back — precise parallel-run spacing • Segment / large-radius bends • Rolling Offset and Kick bends • Multi-Bend Layout — lay out an entire run with every mark and bend order on one conduit MORE THAN BENDS • Conduit Fill — NEC Chapter 9 fill for conductors in EMT, IMC, RMC and PVC • Voltage Drop — volts and percent lost, with the NEC 3% branch-circuit guide • Parallel Conduit — size a parallel run in one pass • Spirit Level — digital level built on the device accelerometer PROFESSIONAL RESULTS, INSTANTLY • Live reactive diagrams redraw as you type • Length, shrinkage and take-up computed for every bend • Fractional-inch keypad — type 3/4" directly, no sliders to fight • Inches ↔ millimeters, switch any time • Save custom benders and reuse them across calculators ON THE JOB SITE • Calculation history with timestamps • Share results through any app, or export to PDF • Quick-reference tables: bending multipliers, take-up and shrink formulas — your pocket cheat sheet DESIGNED FOR THE FIELD Clean, high-contrast Safety-Orange interface that's readable in bright sun or a dim crawlspace. Light and dark themes. English, Spanish, Russian, Thai and Chinese in one app. All bending calculations, diagrams, reference tables and history run entirely on your device—no account, no signal needed. Unlock Pro once — a one-time purchase ($1.99), never a subscription — for unlimited custom benders and presets. No sign-in. (The price is always shown in the app before you buy.) BendSnap: precise bends, faster work.

NEW: Box Fill calculator (NEC 314.16) — enter the volume stamped on the box, then count conductors, clamps and device yokes. • MC/MMC interlocked-armor cable: 53% fill mode in Conduit Fill • Source notes citing NEC tables on Fill, Voltage Drop and Reference • Restore purchases from Settings • Export bend multipliers and take-up as a shareable cheat-sheet card • Layout and language-selector fixes