# PT100 Calculator — PT100 RTD Temp to Ohms Tool

> PT100 RTD Temp to Ohms Tool (iPhone/iPad app by William Newcombe.)

- Source: https://appshunter.io/ios/app/pt100-calculator/id1577277449 (this page in markdown: same URL + `.md`)
- Developer: [William Newcombe](https://appshunter.io/developer/1215031696)
- Category: Utilities, Productivity
- Price: $2.99
- Age rating: 4+
- Requires: iOS 17.0 · 3 MB
- Languages: American English, Brazilian Portuguese
- Released: 2026-04-06
- Data updated: 2026-09-11
- User reviews in markdown: https://appshunter.io/ios/app/pt100-calculator/id1577277449/reviews.md

## What is PT100 Calculator?

PT100 Calculator is a fast, reliable tool for converting temperature and resistance values for PT100 and PT1000 RTD sensors. Built for electricians, engineers, and technicians, it makes on-site checks quick and effortless.

Whether you’re fault finding, testing sensors, or verifying readings, PT100 Calculator gives you instant, accurate results without needing internet access.

== Features ==

+ Convert Temperature to Resistance (Ω)
+ Convert Resistance (Ω) to Temperature
+ Supports PT100 and PT1000
+ Works in Celsius and Fahrenheit
+ Clean, fast interface designed for real-world use
+ Fully offline, no connection required
+ Built-in lookup table for quick reference
+ Copy results instantly

== Designed for the job ==

No clutter. No accounts. No distractions.

Just open the app, enter your value, and get the answer immediately.

Perfect for:
+ Electricians
+ HVAC engineers
+ Industrial maintenance
+ Panel builders
+ Apprentices and trainees

== Accurate and reliable ==

Uses standard RTD characteristics based on IEC specifications to ensure consistent and dependable results.

PT100 Calculator is the simplest way to convert RTD readings on-site.


## Version history (last 2 releases)

### 1.1.0 — 2026-05-04

This update adds Brazilian Portuguese support, making PT100 Calculator easier to use for Portuguese-speaking users.

### 1.0.1 — 2026-04-06

No release notes.

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## More apps by William Newcombe

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All apps by William Newcombe: https://appshunter.io/developer/1215031696

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*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 2026-09-11.*