# OSG Calculator

> Reference

Canonical page: [https://chrome-stats.com/d/id606137246](https://chrome-stats.com/d/id606137246)

## Overview

- **ID:** `id606137246`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** OSG USA, INC.
- **Category:** Reference
- **Rating:** 4.00 / 5 (2 ratings)
- **Version:** 1.45
- **Last updated:** 2015-02-18
- **First published:** 2013-03-01
- **Size:** 6.98 MB
- **Data as of:** 2026-09-25
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/osg-calculator/id606137246)
- **Website:** [http://www.osgtool.com](http://www.osgtool.com/)

## Description

This app will assist in calculating a variety of Cutting Parameters for:
*Drills
*Taps
*Endmills 
*Ballnose "Effective Diameter"

This app will also calculate proper Tap Drill Sizes based off of your desired Thread Percentage for:
Inch, Cut Taps
Inch, Form Taps
Metric, Cut Taps
Metric, Form Taps

This app will give you the suggested Tap Drill Sizes for:
NPT (Tapered Pipe Threads)
NPS (Straight Pipe Threads)

Provided within this app is a full Decimal Equivalent Calculator with results for Number Drills, Letter Drills, Fractional Drills and Metric Drill diameters.

## Rankings

- #709,142 — Overall

## Similar extensions and apps

- [Drill and Tap Tool - Thread Tapping & Through Hole](https://chrome-stats.com/d/id421763062) — 4.30 / 5
- [Tap & Drill Pro](https://chrome-stats.com/d/id6764534603)
- [Tap & Drill Size Reference](https://chrome-stats.com/d/id6761641150)
- [Thread Calculators](https://chrome-stats.com/d/id1670586227) — 5.00 / 5
- [Tap Drill Pocket](https://chrome-stats.com/d/id6763918301)
- [ShopCalc: Machinist Calculator](https://chrome-stats.com/d/id6762560427) — 5.00 / 5
- [Machining Calculators](https://chrome-stats.com/d/id6740812774)
- [Drill Calc](https://chrome-stats.com/d/id304434324) — 4.10 / 5
- [Thread Calculator](https://chrome-stats.com/d/id1559560290) — 4.40 / 5
- [CNC Machinist Calculator App](https://chrome-stats.com/d/id6781401023) — 4.00 / 5
- [WS Drill Bits](https://chrome-stats.com/d/id1453137463) — 5.00 / 5
- [Machining Calculator](https://chrome-stats.com/d/id389011280) — 4.30 / 5

---

Source: [Chrome-Stats](https://chrome-stats.com/d/id606137246)