# WBGT Calculator

> WBGT Calculator (iPhone/iPad app by Marco van Oostende.)

- Source: https://appshunter.io/ios/app/wbgt-calculator/id6755830636 (this page in markdown: same URL + `.md`)
- Developer: [Marco van Oostende](https://appshunter.io/developer/1676832899)
- Category: Sports, Health & Fitness
- Price: Free
- Age rating: 4+
- Requires: iOS 15.6 · 21 MB
- Languages: American English
- Released: 2025-12-23
- Data updated: 2026-08-10
- User reviews in markdown: https://appshunter.io/ios/app/wbgt-calculator/id6755830636/reviews.md

## What is WBGT Calculator?

The Wet Bulb Globe Temperature (WBGT) is a heat index that provides a more complete picture of the heat stress on the human body than a standard air temperature measurement. The WBGT is often used to better assess the risks of working or exercising in warm environments. The index combines four key environmental factors that determine how the body experiences and can dissipate heat: temperature, humidity, wind speed, and solar radiation. Note that the outcome can never replace a calibrated WBGT thermometer since the app can't take actual environmental deviations and local microclimate effects such as terrain, obstacles, ground reflection (albedo), infrared radiation, wind blocks or cloud cover variability into account.


## Version history (last 5 releases)

### 1.5.0 — 2026-08-06

- Location's altitude taken into account
- Added impact on related air pressure
- Info buttons now scroll to info window
- Full implementation of the Liljegren calculation model

### 1.4.0 — 2026-07-09

Several usability improvements implemented

### 1.3.0 — 2026-02-16

Added a full implementation of the Liljegren/Dimiceli-model to determine the WBGT as accurate as possible

### 1.2.0 — 2026-01-23

Implemented the Australian Bureau of Meteorology methodology for calculations.

### 1.1.1 — 2026-01-03

- added support for Fahrenheit
- added haptics support
- added geolocation to get local weather conditions
- added scheduled updates on local weather
- added 12-hour predictions about the expected WBGT temperature, based on weather forecasts

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## More apps by Marco van Oostende

- [Wheel List Browser](https://appshunter.io/ios/app/wheel-list-browser/id6446232972)
- [Bike Penalty Control](https://appshunter.io/ios/app/bike-penalty-control/id6463628833)
- [TRI Shoe List](https://appshunter.io/ios/app/tri-shoe-list/id6759726633)

All apps by Marco van Oostende: https://appshunter.io/developer/1676832899

## Related topics

[wbgt calculator](https://appshunter.io/ios/topics/wbgt-calculator) · [heatsafe wbgt](https://appshunter.io/ios/topics/heatsafe-wbgt)

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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 2026-08-10.*