BendMarks: Conduit Bending
EMT Offset, Saddle, Box Fill
About
This app calculates conduit bending, voltage drop, and fill capacities for electrical work. It provides detailed formulas and diagrams for each calculation, helping users understand the underlying math. Designed for field use with offline functionality and glove-friendly controls.
What's New in BendMarks
1.7
September 9, 2026
New - Hear every bend diagram and result read aloud with VoiceOver, including the pass or fail outcome. Improved & Fixed - Recent calculations now save from every calculator, not just offsets. - Sunlight mode draws thicker lines so diagrams stay readable outdoors. - Cleaned up wording across onboarding, sharing, and Siri shortcuts.
MoreDeveloper apps
FAQ
What types of conduit bends can BendMarks calculate?
BendMarks calculates various conduit bends including offset, rolling offset, 3-point saddle, 4-point saddle, 90° stub-up, and kick bends. Each calculation includes labeled diagrams and exact mark distances for precise installation.
Does BendMarks support different electrical code cycles?
Yes, BendMarks allows users to switch between NEC 2017, 2020, and 2023 code cycles. This ensures the calculations are up-to-date with the latest electrical standards.
How does BendMarks help users learn the math behind the calculations?
Every result in BendMarks expands to show the formula with substituted values and a plain-English explanation. This 'show your work' feature teaches users the math as they use the tool.
Is BendMarks available offline?
Yes, BendMarks is fully offline, meaning it makes zero network calls, zero analytics, and zero tracking. Your job data stays securely on your phone.
What is the price of BendMarks?
BendMarks is a one-time purchase of $14.99. There are no ads, no subscriptions, and no additional in-app purchases required for upgrades.
What devices is BendMarks compatible with?
BendMarks is designed for use on iPhones and iPads. It is rated for ages 4 and up.
How often is BendMarks updated?
The latest version of BendMarks is 1.6, and it was last updated on August 25, 2026. Updates typically include refinements and support for new code cycles.
Does BendMarks have ads?
No, BendMarks is ad-free. The app is a one-time purchase with no advertisements included.
