# HII-NNS Weld Heat Calculator — Calculate weld heat input.

> Calculates weld heat input in Joules using amperage, voltage, and weld time. (iPhone/iPad app by Huntington Ingalls Industries, Inc..)

- Source: https://appshunter.io/ios/app/hii-nns-weld-heat-calculator/id1304628337 (this page in markdown: same URL + `.md`)
- Developer: [Huntington Ingalls Industries, Inc.](https://appshunter.io/developer/1014470325)
- Category: Business, Productivity
- Price: Free
- Age rating: 4+
- Requires: iOS 8.0 · 215 MB
- Languages: American English
- Released: 2017-11-08
- Data updated: 2026-06-04
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/hii-nns-weld-heat-calculator/id1304628337/reviews.md

## What is HII?

Using simple inputs about the attributes of a weld - Amperage, Voltage, Weld Length, Arc Time - this App will calculate the heat input (Joules) of the weld.

## Key features

- Calculate weld heat input
- Input amperage, voltage, length, and arc time
- Output heat in Joules
- Simple user interface

## Recent user reviews (2 of 2)

All indexed reviews: https://appshunter.io/ios/app/hii-nns-weld-heat-calculator/id1304628337/reviews.md

### 3/5 — Metric

*2023-06-28*

Please update so it has the ability to calculate Kj/mm.

### 1/5 — Poor

*2020-01-07*

No option to change to metric, no option to include the process k factor. Basically useless.....

## Frequently asked questions about HII

### What is the short name for HII-NNS Weld Heat Calculator?

The short name for HII-NNS Weld Heat Calculator is HII-NNS.

### How does HII-NNS calculate weld heat input?

HII-NNS calculates weld heat input by using the provided inputs of Amperage, Voltage, Weld Length, and Arc Time to determine the heat in Joules.

### Is HII-NNS available on Android devices?

Based on the provided data, HII-NNS is supported on iPhone, iPad, and iPod devices. Android compatibility is not specified.

### What is the age rating for HII-NNS?

HII-NNS has an age rating of 4+, making it suitable for a wide range of users.

### When was HII-NNS last updated?

HII-NNS was last updated on December 20, 2017, with version 1.0.3.

### Does HII-NNS have ads?

No, HII-NNS does not contain advertisements.

### What are the primary inputs for HII-NNS?

The primary inputs required for HII-NNS are Amperage, Voltage, Weld Length, and Arc Time.

### Is HII-NNS a paid application?

No, HII-NNS is available for free.

## Version history (last 2 releases)

### 1.0.3 — 2017-12-20

This app has been updated by Apple to display the Apple Watch app icon.

Fix issue with fractional part of inches being ignored.

### 1.0 — 2017-11-08

No release notes.

## Apps similar to HII

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Halftone Dot Size](https://appshunter.io/ios/app/halftone-dot-size/id430932717) | — | $0.99 | Business |
| [UGC Tail Seal Grease](https://appshunter.io/ios/app/ugc-tail-seal-grease/id6448282626) | — | Free | Business |
| [WiseRep Old](https://appshunter.io/ios/app/wiserep-old/id6443921520) | — | Free | Business |
| [Artlogic](https://appshunter.io/ios/app/artlogic/id1667609500) | 5.0 (2) | Free | Business |
| [CRGO](https://appshunter.io/ios/app/crgo/id6443815000) | — | Free | Business |
| [Usiminas - Extranet Mobile](https://appshunter.io/ios/app/usiminas-extranet-mobile/id1662385060) | — | Free | Business |

## More apps by Huntington Ingalls Industries, Inc.

- [NNS to Go](https://appshunter.io/ios/app/nns-to-go/id1178463153)
- [HII LEADS](https://appshunter.io/ios/app/hii-leads/id1441021823)
- [IngallsConnect](https://appshunter.io/ios/app/ingallsconnect/id1444916026)
- [ACIBC Action Days](https://appshunter.io/ios/app/acibc-action-days/id1456367205)
- [HII Ethics & Compliance](https://appshunter.io/ios/app/hii-ethics-and-compliance/id1466619748)

All apps by Huntington Ingalls Industries, Inc.: https://appshunter.io/developer/1014470325

## Related topics

[heat input](https://appshunter.io/ios/topics/heat-input) · [nns](https://appshunter.io/ios/topics/nns) · [welding buisness](https://appshunter.io/ios/topics/welding-buisness) · [huntington ingalls](https://appshunter.io/ios/topics/huntington-ingalls) · [hii](https://appshunter.io/ios/topics/hii)

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-04.*