# HAV Calculator — Hand Arm Vibration Calculator

> Hand Arm Vibration Calculator (iPhone/iPad app by Earlsmere Limited.)

- Source: https://appshunter.io/ios/app/hav-calculator/id1522298160 (this page in markdown: same URL + `.md`)
- Developer: [Earlsmere Limited](https://appshunter.io/developer/1445672929)
- Category: Business
- Price: Free
- Age rating: 4+
- Requires: iOS 16.0 · 37 MB
- Languages: English
- Released: 2020-08-15
- Data updated: 2026-03-17
- User reviews in markdown: https://appshunter.io/ios/app/hav-calculator/id1522298160/reviews.md

## What is HAV Calculator?

The Hand Arm Vibration Calculator from Earlsmere allows users to instantly work out the vibration level of any tool. Simply enter the vibration magnitude and the HAV Calculator will automatically work out how long you can safely use the tool for.

It’s easy to use, accurate and you can take it anywhere your phone goes, ideal for anyone who works on a number of sites or regularly uses power tools.

Hand Arm Vibration Syndrome can be debilitating condition, yet it is easily prevented by limiting exposure to dangerous levels of vibration. This calculator removes much of the guesswork involved in managing tool vibration exposure by providing users with a guideline of how long a tool can be safely used until you reach potentially hazardous levels of vibration, as defined by the HSE.

It’s easy to use, accurate and you can take it anywhere your phone goes, ideal for anyone who works on a number of sites or regularly uses power tools.

To find out the vibration levels of certain tools you can contact your tool manufacturer. 

Further information please feel free to contact us at www.earlsmere.co.uk you can see the range of vibration management solutions that Earlsmere offer to help keep you or your employees safe in the workplace. These include:

•	Vibration testing of tools and equipment
•	Tool tagging and risk identification
•.      Limpet vibration monitor device 
•	Safety training for staff and management
•	Vibration measuring and monitoring, powered by our software system Toolminder.

Hav Calculator app now connects to the Limpet personnel vibration monitor from Earlsmere.   Allowing live monitoring and recording of on-tool vibration exposure experienced by your tool and equipment operators.


## Version history (last 2 releases)

### 1.1 — 2024-09-10

Bug fixes

### 1.0 — 2020-08-15

No release notes.

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## More apps by Earlsmere Limited

- [Toolminder Active](https://appshunter.io/ios/app/toolminder-active/id1445672930)
- [Toolminder](https://appshunter.io/ios/app/toolminder/id1499515494)

All apps by Earlsmere Limited: https://appshunter.io/developer/1445672929

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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 2026-03-17.*