# CalcuMate — Plan it. Use it. Prove it.

> Structural timber joint screw quantity calculator for loft conversions and more. (iPhone/iPad app by Marcus Isherwood.)

- Source: https://appshunter.io/ios/app/calcumate/id1251357635 (this page in markdown: same URL + `.md`)
- Developer: [Marcus Isherwood](https://appshunter.io/developer/1507806855)
- Category: Utilities, Lifestyle
- Price: Free
- Rating: 1.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 8.0 · 20 MB
- Languages: English
- Released: 2017-06-27
- Data updated: 2026-07-04
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/calcumate/id1251357635/reviews.md

## What is CalcuMate?

A unique and accurate calculation tool for use especially in loft conversions that calculates the exact quantity of Carpenters Mate Pro Hex and HD Hex Head screws that are required for fixing any number of joints in a structural timber application. The calculations ensure that the joints are fully compliant and designed to British Standard BSEN-1995-1-1. The production of a certificate once you have completed your calculations to provide to your Local Authority Building Control ensures peace of mind and saves valuable time.

•	Makes maths and specification easier for any loft conversion
•	Works out the capacity of a specified number of bolts in a joint and tells you how many Carpenters Mate Hex or HD Hex screws are required to give an equivalent joint strength
•	Our Multiple Member Spacing tool shows you where to fix screws instead of bolts in a multiple member connection.
•	Can be used for various structural joint applications such as staircases or window frames
•	Each calculation can be saved as a different project
•	Print off the calculation certificate to provide to your Local Authority Building Control
•	Locate a distributor quickly and easily to order the Carpenters Mate screws required on your particular project

## Key features

- Calculates screw quantities for structural timber joints
- Ensures compliance with British Standard BSEN-1995-1-1
- Generates certificates for building control
- Supports multiple member spacing calculations
- Saves calculations as projects
- Locates screw distributors


## Frequently asked questions about CalcuMate

### What is CalcuMate used for?

CalcuMate is a specialized calculation tool designed to determine the precise quantity of Carpenters Mate Pro Hex and HD Hex Head screws required for structural timber joints in applications like loft conversions. It helps ensure your project meets British Standard BSEN-1995-1-1.

### Does CalcuMate work for other projects besides loft conversions?

Yes, CalcuMate can be used for various structural joint applications, including staircases and window frames. Its core function is to calculate screw requirements for structural timber.

### Can I get proof of my calculations with CalcuMate?

Yes, after completing your calculations, CalcuMate can produce a certificate. This certificate can be provided to your Local Authority Building Control, offering peace of mind and saving time.

### How does CalcuMate help with multiple member connections?

CalcuMate includes a Multiple Member Spacing tool. This feature helps you identify where to fix screws instead of bolts in complex multiple member connections, optimizing your screw usage.

### Where can I buy the screws CalcuMate calculates?

CalcuMate features a tool to quickly and easily locate a distributor. This allows you to order the specific Carpenters Mate screws needed for your project.

### Is CalcuMate available on Android devices?

Based on the provided data, CalcuMate is supported on iPhone, iPad, and iPod. Information regarding Android compatibility is not available.

### How often is CalcuMate updated?

The latest version of CalcuMate is 1.0.3, which was last updated on August 21, 2017. This indicates infrequent updates since its release in June 2017.

### Does CalcuMate have ads?

No, CalcuMate does not contain advertisements. The app is free to use and does not display any ads.

## Version history (last 3 releases)

### 1.0.3 — 2017-08-21

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

Optimise app, with attention to the register/login process

### 1.0.1 — 2017-08-01

Optimise app, with attention to the calculation results pages

### 1.0.0 — 2017-06-27

No release notes.

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## More apps by Marcus Isherwood

- [Enniskillen Royal GS](https://appshunter.io/ios/app/enniskillen-royal-gs/id1188254301)

All apps by Marcus Isherwood: https://appshunter.io/developer/1507806855

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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 2026-07-04.*