# Flange Hole Marker Calculator — Flange Hole Marker

> Engineering tool for accurate flange bolt hole layout and marking calculations. (iPhone/iPad app by Kantaben Gorasiya.)

- Source: https://appshunter.io/ios/app/flange-hole-marker-calculator/id6471257596 (this page in markdown: same URL + `.md`)
- Developer: [Kantaben Gorasiya](https://appshunter.io/developer/1640260396)
- Category: Utilities
- Price: $3.99
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 13.0 · 30 MB
- Languages: American English
- Released: 2023-11-06
- Data updated: 2026-07-27
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/flange-hole-marker-calculator/id6471257596/reviews.md

## What is Flange Hole Marker Calculator?

Flange Hole Calculator is a precise and easy-to-use engineering tool designed for machinists, fabricators, engineers, and workshop professionals who need accurate flange hole layout and marking. The app helps you calculate and mark bolt holes on flanges quickly, eliminating manual errors and saving valuable time on the shop floor.

Whether you’re working with standard equispaced holes, custom angular layouts, or need to determine equivalent hole counts, this app delivers fast and reliable results for all flange-related calculations.

Included Calculators:

Equispaced Flange Hole Marking
Calculate evenly spaced hole positions around a flange with perfect accuracy.

Angle-Based Hole Layout
Generate exact angles for each hole position to support custom and non-standard flange designs.

Equivalent Number of Holes
Determine the equivalent hole count for different flange configurations with ease.

Why Use This App?

Accurate and reliable calculations

Ideal for CNC, fabrication, and mechanical design work

Simple interface for quick results

Reduces layout time and manual calculation errors

The Flange Hole Calculator is a must-have utility for anyone involved in flange design, drilling, or manufacturing. Improve precision, boost productivity, and get your flange layouts right the first time.

## Key features

- Equispaced flange hole marking
- Angle-based hole layout
- Equivalent number of holes calculation
- Accurate and reliable results
- Simple interface
- Reduces layout time


## Frequently asked questions about Flange Hole Marker Calculator

### What is Flange Hole Marker Calculator used for?

Flange Hole Marker Calculator is an engineering tool designed to accurately calculate and mark bolt hole positions on flanges. It helps users with equispaced hole layouts, custom angle-based designs, and determining equivalent hole counts for various flange configurations.

### Who is the target audience for Flange Hole Marker Calculator?

This app is intended for machinists, fabricators, engineers, and workshop professionals who need precise and efficient flange hole layout and marking for their projects.

### What types of flange hole calculations does Flange Hole Marker Calculator offer?

It offers three main calculation types: equispaced flange hole marking for evenly distributed holes, angle-based hole layout for custom designs, and equivalent number of holes calculation for different flange configurations.

### How does Flange Hole Marker Calculator improve workflow?

The app aims to improve workflow by providing accurate and reliable calculations, reducing manual errors, and significantly cutting down on layout time in the workshop.

### What devices is Flange Hole Marker Calculator available on?

Flange Hole Marker Calculator is available on iPhone and iPad devices.

### What is the price of Flange Hole Marker Calculator?

Flange Hole Marker Calculator is a paid application, priced at $3.99.

### Does Flange Hole Marker Calculator have ads?

No, Flange Hole Marker Calculator does not contain advertisements.

### How often is Flange Hole Marker Calculator updated?

The latest version of Flange Hole Marker Calculator is 1.3, and it was last updated on April 14, 2026. This indicates a commitment to ongoing development and support.

## Version history (last 4 releases)

### 1.3 — 2026-04-14

Improved flange hole calculation accuracy
Enhanced angle and equispaced hole layout logic

### 1.2 — 2025-01-23

Resolved calculation issues

### 1.1 — 2024-03-06

added share result function

### 1.0 — 2023-11-06

No release notes.

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All apps by Kantaben Gorasiya: https://appshunter.io/developer/1640260396

## Related topics

[flange hole marker calculator](https://appshunter.io/ios/topics/flange-hole-marker-calculator) · [flange hole marker pro](https://appshunter.io/ios/topics/flange-hole-marker-pro) · [flange hole marker](https://appshunter.io/ios/topics/flange-hole-marker)

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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 2026-07-27.*