--- title: "Conduit Bending App for iPhone & Android — BendBoss ($25 once)" description: "BendBoss is a conduit bending app for electricians: 15 calculators (offsets, saddles, rolling offsets, stub-ups, kicks, parallel runs, segmented and compound 90s), Stick Layout, NEC conduit fill, bender picker, works offline. $25 once, English and Spanish." url: https://bendboss.app/conduit-bending-app/ language: en last_reviewed: 2026-11-14 --- [BendBoss](https://bendboss.app/) › The app # The BendBoss conduit bending app BendBoss is a conduit bending calculator for electricians that runs on iPhone, Android and computers. It covers 15 bend calculations, takes measurements on a glove-friendly fraction keypad, and shows every result in tape-measure sixteenths with a diagram and step-by-step instructions. It costs $25.00 once — no subscription, no ads, no account. The offset calculator in BendBoss: both marks measured from the end of the conduit, the shrink already added, and a one-line reason under each mark. ## The 15 calculators 1. [Offset](https://bendboss.app/offset-calculator/) — marks + shrink, any angle 2. [Matching Bends Offset](https://bendboss.app/offset-calculator/) — second bend lands on an exact spot 3. [Matching Centers Offset](https://bendboss.app/offset-calculator/) — offset centered on a mark 4. [Rolling Offset](https://bendboss.app/rolling-offset-calculator/) — rise + roll, roll angle included 5. [3-Point Saddle](https://bendboss.app/3-point-saddle-calculator/) — 45° center, 22½° sides 6. [4-Point Saddle](https://bendboss.app/4-point-saddle-calculator/) — flat top for wide obstructions 7. [90° Stub-Up](https://bendboss.app/90-degree-stub-up/) — take-up for your bender 8. [Kick](https://bendboss.app/kick-calculator/) — one bend off a 90 9. [Matching Bend Kick](https://bendboss.app/kick-calculator/) — kick bend on an exact spot 10. [Matching Center Kick](https://bendboss.app/kick-calculator/) — kick centered on a mark 11. [Parallel Offsets](https://bendboss.app/parallel-offset-calculator/) — every run's marks, spacing kept true 12. [Parallel Runs — Spacing](https://bendboss.app/parallel-offset-calculator/) — mixed conduit sizes in one rack 13. [Parallel Kicks](https://bendboss.app/parallel-offset-calculator/) — a rack of kicks, back or forward 14. [Compound 90°](https://bendboss.app/compound-90/) — two-bend 90 around an obstruction 15. [Segmented 90°](https://bendboss.app/segmented-90/) — big-radius sweeps in equal shots ## Also in the app * **Stick Layout** — several bends on one stick (90s, offsets, 3-point saddles, kicks). Every mark comes back measured from the same end, with shrink and gain figured, plus the cut length for your stock stick. * **Conduit Fill** — the NEC Chapter 9 fill check: add every conductor, mixed sizes and insulation types, grounds included, and compare against the Table 1 limit for your conduit's Table 4 area. * **Bender Specs** — the built-in benders with their published numbers and sources, plus your own benders saved on your phone. ## What's in every calculator * **Fraction keypad** — whole inches plus 1/16″ fraction keys, big enough for gloves. No sliders. * **Tape-ready answers** — marks in sixteenths, measured from the end of the conduit. * **A one-line “why” under every result** — for example, “distance to the obstruction + 1 1/2″ shrink” — next to the full step-by-step math. * **Shrink and multiplier labeled separately** , with the shrink already added where it belongs. * **Bend diagrams and step-by-step walkthroughs** , plus warnings when a bend won't fit the shoe. * **Pick your bender** — Greenlee, Klein, IDEAL or Gardner Bender. The app uses that maker's published take-up and its bend order where the makers' guides differ. If a maker doesn't publish a take-up for a size, the app says so and uses the standard value — check the number on your shoe. * **Your own benders** — save your own take-up and radius; they plug straight into Stub-Up and Stick Layout. * **English and Spanish** — switch with one tap. ## How you get it 1. Pay $25.00 once through PayPal. 2. PayPal sends you back to your install page. 3. Open the app and add it to your home screen: on iPhone, Share → “Add to Home Screen”; on Android, Chrome's “Install app.” 4. Open it once while you have signal. After that it works offline — basements, tunnels, dead zones — because the app is saved on your phone. ## What it doesn't do (yet) * Built-in take-ups are for EMT hand benders. Rigid and IMC use the same bend math, but enter your own bender's take-up. * No PVC heat-bending, no mechanical or hydraulic bender charts in this version. * It's a calculator, not a code book — check radius and support rules against the NEC and your inspector. **$25.00 once. Yours on all your devices.** [Get BendBoss — $25.00 once](https://www.paypal.com/ncp/payment/XJL85QN76KKT6)[Try the free offset calculator](https://bendboss.app/offset-calculator/) ## Common questions ### Is BendBoss on the App Store or Google Play? No. It's a web app you install from this site: buy it, open it in Safari or Chrome, and add it to your home screen. It runs full-screen like any other app. ### Does BendBoss work without signal? Yes, after you open it once with a connection. The app saves itself on your phone and every calculator works offline. ### Is it a subscription? No. $25.00 once. No subscription, no ads, no in-app purchases. Updates download in the background when you're online. ### Does it work in Spanish? Yes. The app and this website are in English and Spanish.