Pipe N Wire

From the creator of iBend Pipe — trusted by pros for over a decade.

PipeNWire is your fast, reliable, and NEC-compliant conduit fill calculator, rebuilt from the ground up for today’s electricians. Whether you’re in the field or planning ahead, PipeNWire makes it easy to determine the right conduit size based on your selected wires, pipe material, and desired fill percentage.

Accurate. Intuitive. Built for the trade.



FEATURES:

• Conduit Fill Calculations Made Easy
Choose your conduit material (EMT, IMC, etc.), select wire types and gauges, and pick your target fill percentage (e.g., 40%, 53%). PipeNWire instantly shows the smallest compliant conduit size based on NEC tables.

• Supports All Standard Wire Types
THHN, XHHW, RHH, and more—each with available gauges and accurate area values. We’ve preloaded everything you need.

• Smart Conduit Selector
Quickly scroll through available conduit sizes. PipeNWire centers on the first size that meets your fill criteria and lets you explore other options easily.

• Save & Load Calculations
Save your work with a custom name and reopen calculations later.

• Override the Recommendation
Need to upsize for future pull capacity or job specs? You’re in control—select any size and still see detailed fill data.

• Remembers Your Last Setup
PipeNWire remembers your most recent selections so you can pick up right where you left off.


Why PipeNWire?

• Built specifically for electricians by the developer of the widely-used iBend Pipe app
• Lightning-fast interface with no fluff—just what you need
• Code-aware logic based on National Electrical Code tables
• Made for real-world use: at the job site, in the truck, or during planning

Whether you’re sizing EMT for a quick pull or planning a complex wire run, PipeNWire takes the guesswork out of conduit sizing and helps you work with confidence.


Download PipeNWire today and streamline your workflow with the conduit fill calculator made for pros.

What’s New in This 3.0 Version

The all-new PipeNWire is here — completely redesigned, rebuilt, and recharged for today’s electricians.

This major update is more than just a fresh coat of paint. We’ve taken everything you loved about the original PipeNWire and rebuilt it from the ground up with a faster, smarter, and more powerful experience. Whether you’re a seasoned journeyman or an apprentice, this version gives you the speed and accuracy you need on the job.


Major Improvements:

• Modern, Intuitive Interface
PipeNWire now features a clean, easy-to-use design that works beautifully. Quickly select your pipe material, wires, and fill percentage, and get instant results.

• Support for All NEC Standard Wires
We’ve loaded in the most common wire types (THHN, XHHW, RHH, and more) along with their respective gauges and area values—accurate and compliant with the latest NEC conduit fill tables.

• Smart Conduit Picker
The app automatically centers on the smallest conduit size that meets your selected fill percentage. Easily scroll left or right to explore other sizes and see how each affects the total fill.

• Save & Reload Calculations
Now you can save your work! Give your calculation a name and load it anytime. Perfect for job planning, estimating, or record-keeping. You can also update saved calculations with new values.

• Manual Pipe Size Override
Need to choose a larger pipe size for easier pulls or future expansion? No problem. Override the recommended size and still see accurate fill data for your selection.

• Persistent Preferences
PipeNWire remembers your last-used pipe type, wire selection, and fill % so you can jump back in quickly and pick up right where you left off.

• Built on a Modern Codebase
The entire app has been rewritten in Swift using Apple’s latest frameworks. That means better performance, smoother animations, and long-term support for future iOS versions.


Additional Enhancements:

• Improved support for fractional and large conductor sizes
• Faster performance and improved reliability
• Cleaner visual layout for fill percentages and wire data
• Enhanced compatibility with newer iPhones and iOS versions
• Dark Mode support


Thank You!

PipeNWire was originally launched over a decade ago, and this update represents our renewed commitment to supporting the electrical community with accurate, job-ready tools. Thank you for your continued support, and for trusting apps like PipeNWire and iBend Pipe in your daily work.


We’re always listening—if you have feature requests or suggestions, drop us a line. And if you love the update, we’d appreciate a rating or review!