---
title: "FIRSTCALC - Reviews, Revenue and Downloads in New Zealand | Apple App Store"
description: "FIRSTCALC by Firstflex Cables is a free App providing Electrical Contractors, Designers, Electricians and Lighting Specialists with a variety of calculation tools to assist in sizing or selecting an a"
---

# FIRSTCALC — New Zealand
> Calculate cable requirements

![FIRSTCALC App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple221/v4/11/60/fa/1160fad9-2897-0d39-e65e-b61854313d73/AppIcon-0-0-1x_U007epad-0-1-85-220.png/400x400bb.png)

**Developer:** [Firstflex Cables](https://apptail.io/developer/firstflex-cables-ayBc) (New Zealand)
**Category:** Productivity
**Rating:** 5.0/5 (1 ratings)
**Price:** Free
**Bundle ID:** nz.co.firstflex.firstcalc
**Store:** Apple App Store
**Country:** New Zealand
**Version:** 2.2.0 (released 2025-08-26)
**Original Release:** 2018-02-11

**App Store Link:** [Download on Apple App Store](https://apps.apple.com/nz/app/app/id1345641857)
**AppTail Page:** [https://apptail.io/app/firstcalc-NXlm/new-zealand](https://apptail.io/app/firstcalc-NXlm/new-zealand)

## FIRSTCALC Description
FIRSTCALC by Firstflex Cables is a free App providing Electrical Contractors, Designers, Electricians and Lighting Specialists with a variety of calculation tools to assist in sizing or selecting an appropriate cable.

In order to calculate the most suitable cables FIRSTCALC requires that load current, length, volt drop %, phase, fixed or flexing, core type and installation conditions are specified in Cable Selection, it then provides a results page with a list of the most appropriate Firstflex cables to meet those requirements.

The results can be saved to “My List” and stored there to be reviewed later and/or can be emailed on with an attached datasheet.

In addition to Cable Selection, there are other tools provided to calculate Voltage Drop, Length, Load Current, Motor Current and KVA to Amps. 

A Chemical Rating guide is also included to provide guidance on selecting equipment for appropriate chemical compatibility.

For more information on Firstflex Cables visit www.firstflex.co.nz

Please note calculations provided are based on New Zealand standards and may not be suitable outside of New Zealand.

## FIRSTCALC Screenshots
- [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/db/ee/50/dbee5033-e2d4-8176-9095-843690578321/pr_source.png/1242x2688.png)
- [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/47/80/5f/47805f2f-10dc-85b1-b667-94d542f7da24/pr_source.png/1242x2688.png)
- [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/3b/e8/19/3be81939-a4bb-d09c-7578-a6ed48fbea35/pr_source.png/1242x2688.png)
- [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/Purple123/v4/a4/9a/a5/a49aa5fe-8741-832e-92d1-34e82158e2b4/pr_source.png/1242x2688.png)
- [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/Purple113/v4/06/2c/e0/062ce044-69cc-ba9b-17a7-ceab799e50fb/pr_source.png/1242x2688.png)

## FIRSTCALC Rating Breakdown in New Zealand
- 5 stars: 1 (100%)
- 4 stars: 0 (0%)
- 3 stars: 0 (0%)
- 2 stars: 0 (0%)
- 1 stars: 0 (0%)





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---

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