ConduitMark
Conduit Bender & EMT Calc
Only for iPhone
$1.99 · Designed for iPhone. Not verified for macOS.
iPhone
Built for the job site. ConduitMark calculates offset, stub-up, saddle & back-to-back bends. EMT take-up tables, NEC data, history. Fully offline.
Get your bend marks right — every time.
ConduitMark is the conduit bending calculator built for working electricians. Skip the mental math on the job site. Enter your measurements and get exact mark locations in seconds.
--- BEND TYPES ---
- Offset Bends: Enter height and angle, get spacing and shrinkage. Supports 22.5, 30, 45, and 60 degrees.
- 90 Degree Stub-Up: Calculate the exact mark based on stub length and conduit size. Accounts for EMT take-up.
- Three-Bend Saddle: Enter obstacle height and distance to center. Get all three mark locations for a 22.5/45/22.5 degree saddle.
- Back-to-Back 90: Calculate the second mark for back-to-back 90 degree bends across all standard EMT sizes.
--- BUILT-IN REFERENCE TABLES ---
- EMT and IMC take-up values for 1/2 through 2 inch conduit
- Offset multiplier constants for all common angles
- NEC minimum bend radius table
- No internet needed — all tables built into the app
--- DESIGNED FOR THE JOB SITE ---
- Works fully offline, no Wi-Fi or cell service required
- Calculation history saved automatically
- Imperial and metric support
- Clean interface built for gloves-on use
--- ONE-TIME PURCHASE ---
No subscription. No account required. No data collected. Pay once, use forever.
ConduitMark follows NEC and IBEW standard bending formulas. Perfect for apprentice and journeyman electricians, pipefitters, and electrical contractors.
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The developer, 峰 徐, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 峰 徐
- Size
- 1.1 MB
- Category
- Utilities
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 ConduitMark

