---
title: "Derated: Conduit Fill — App Overview"
url: https://marlvel.ai/intel-report/productivity/com-hardman-conduitfill
category: Productivity
developer: Bret Hardman
platforms: ios, android
rating: 4.3 (16.1K ratings)
pricing: free
report_level: overview
generated: 2026-04-14
last_verified: "2026-04-16T18:21:18.710Z"
---

<!-- SECTION: Key Insight -->
> **Key Insight:** Derated provides a fast, NEC-compliant digital workflow for electricians to perform complex conduit and wire calculations on the go.

<!-- SECTION: Quick Facts -->
| Metric | Value |
|--------|-------|
| Category | Productivity |
| Rating | 4.3 ★ (16.1K) |
| Pricing | free |
| Platforms | iOS, Android |
| Latest Version (iOS) | 1.0 |
| Latest Version (Android) | 1.9.0 |
| Developer | Bret Hardman |

<!-- SECTION: Summary -->
## What is Derated: Conduit Fill?

Derated is a specialized productivity tool for electricians that automates conduit fill calculations and wire ampacity derating. It ensures compliance with National Electric Code (NEC) standards by utilizing data from Chapter 9, Tables 4 and 5. The app is notable for its real-time calculation engine and streamlined sharing capabilities for professional collaboration.

<!-- SECTION: Key Features -->
## Key Features

- **Real-time Conduit Fill Calculation**: Calculates conduit fill capacity instantly without loading screens.
- **Integrated Ampacity Derating**: Simultaneously derates wire ampacity while performing conduit fill calculations.
- **NEC-Compliant Data References**: Uses official NEC Chapter 9, Table 4 and Table 5 data for raceway, tubing, and insulated conductor dimensions.
- **Result Sharing**: Allows users to export and share calculation results with colleagues or clients for improved communication.

<!-- SECTION: Target Audience -->
## Who is it for?

Professional electricians and electrical contractors requiring NEC-compliant conduit and wire calculations.

<!-- SECTION: Links -->
## Links

- [App Store](https://apps.apple.com/us/app/derated-conduit-fill/id6468839409?uo=2)
- [Google Play](https://play.google.com/store/apps/details?id=ca.psiphon.conduit&hl=en&gl=us)
- [Full Intelligence Report](https://marlvel.ai/intel-report/productivity/com-hardman-conduitfill)

---
*This is an overview report. Sentiment analysis, competitive landscape, and SWOT analysis are available in the [full intelligence report](https://marlvel.ai/intel-report/productivity/com-hardman-conduitfill).*
*Generated by [Marlvel.ai](https://marlvel.ai) — Independent app intelligence.*