# Scale Ruler - various scales

> Display standard scale and various scales.

Canonical page: [https://chrome-stats.com/d/jp.gr.java\_conf.ohishi.scaleruler](https://chrome-stats.com/d/jp.gr.java_conf.ohishi.scaleruler)

## Overview

- **ID:** `jp.gr.java_conf.ohishi.scaleruler`
- **Platform:** Android
- **Type:** Android app
- **Status:** Available
- **Publisher:** mapp2014
- **Category:** PRODUCTIVITY
- **Downloads:** 72,255
- **Version:** 2.1.2
- **Last updated:** 2024-07-24
- **First published:** 2016-09-12
- **Publisher country:** JP
- **Size:** 4.87 MB
- **Data as of:** 2026-09-11
- **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=jp.gr.java_conf.ohishi.scaleruler)
- **Website:** [https://www.mapp2014.com/](https://www.mapp2014.com/)
- **Privacy policy:** [https://www.mapp2014.com/privacy-scaleruler](https://www.mapp2014.com/privacy-scaleruler)

## Description

## Scale Ruler Chrome Extension

Scale Ruler is a handy tool that allows users to display scales for various measurement units directly in their browser. It supports meters and inches with multiple magnification ratios and reduced scales, making it ideal for architects, engineers, designers, and hobbyists requiring quick and versatile measurement references.

### Key Features
- **Multiple Measurement Units:** Supports meters and inches in architectural and engineering scales.
- **Two Operation Modes:** Select mode for quick unit and scale selection; Free mode allows dragging to set any scale between 1:1 and 1:100.
- **Calibration:** Enables calibration using a physical ruler or a credit card to enhance accuracy.
- **Lock Scale:** Lock the displayed scale to prevent accidental changes.

> _Please note: Accuracy cannot be guaranteed; calibration is recommended for precise work._

This extension offers a flexible and straightforward solution for users needing an on-the-fly scale ruler without additional hardware, perfect for digital design and measurements.

## Rankings

- #255,565 — Overall

## Permissions and access

### Permissions

- `android.permission.ACCESS_ADSERVICES_AD_ID`
- `android.permission.ACCESS_ADSERVICES_ATTRIBUTION`
- `android.permission.ACCESS_ADSERVICES_TOPICS`
- `android.permission.ACCESS_NETWORK_STATE`
- `android.permission.FOREGROUND_SERVICE`
- `android.permission.INTERNET`
- `android.permission.WAKE_LOCK`
- `com.google.android.gms.permission.AD_ID`
- `jp.gr.java_conf.ohishi.scaleruler.DYNAMIC_RECEIVER_NOT_EXPORTED_PERMISSION`

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Source: [Chrome-Stats](https://chrome-stats.com/d/jp.gr.java_conf.ohishi.scaleruler)