# Ug Calc

> Utilities

Canonical page: [https://chrome-stats.com/d/id436130906](https://chrome-stats.com/d/id436130906)

## Overview

- **ID:** `id436130906`
- **Platform:** Apple
- **Type:** Apple app
- **Status:** Available
- **Publisher:** Lance Henderson
- **Category:** Utilities
- **Rating:** 5.00 / 5 (5 ratings)
- **Version:** 1.1
- **Last updated:** 2017-10-25
- **First published:** 2011-05-12
- **Size:** 363 KB
- **Data as of:** 2026-09-26
- **Store listing:** [Apple App Store](https://apps.apple.com/us/app/ug-calc/id436130906)
- **Website:** [http://www.lancehenderson.com/ug-calc/](http://www.lancehenderson.com/ug-calc/)

## Description

Updated for iOS 11

A Geometric Unsharpness Calculator for Industrial Radiographers.

You just have to enter the Source Side of the Weld or Object being radiographed to the film and source distances and also enter the source size (diagonal).

It will then calculate the Geometric Unsharpness (Ug) for you!

No more have to look up the formula and pulling out a calculator.

## Rankings

- #439,298 — Overall

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Source: [Chrome-Stats](https://chrome-stats.com/d/id436130906)