The Best Measurement Apps for Android in 2021

If you're remodeling a room or trying to work out the dimensions of an area in your house before buying furniture, using a measurement app for Android can save a lot of time and avoid headaches.

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Measuring Angles: Angle Meter

What We Like

Several tools in one app.
Accurate measurements.
Measure difference between two angles.

What We Don't Like

Small ad banner at the top of the app.
Limited features.
Menu is not intuitive.

Angle Meter is a useful app for measuring the angle of real world surfaces. You can hold the phone standing up on any surface and the display will show you the angle of that surface relative to the ground.

The app includes several other tools, including a protractor that lets you place your phone flat to measure surface angles, and a laser level tool that lets you place your phone on any object above the floor to view how level the surface is.

There's also an icon in the upper left corner of the screen that acts as a compass and always shows you the orientation of your phone relative to due North.

Download Angle Meter

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Build 3D Floor Plans: ARPlan 3D

What We Like

Ad free.
Accurate measurements.
Very intuitive to use.
App automatically steps through measurement process.

What We Don't Like

Plans must be exported as files to the phone.
Limited features.
Can't edit plans after you've created them.
Only walls with standard 90 degree angles work.

ARPlan 3D is one of the more innovative measurement apps for Android on this list. It provides you with an augmented reality measurement tool for measuring the dimensions of a room.

First, measure the height of the wall, then measure the perimeter of the floor. The app will convert those measurements into a full 3D model of the room which you can save as a PDF, JPG, or DXF file.

Download ARPlan 3D

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Simple Level Tool: Bubble Level

What We Like

Simple to use.
Accurate measurements.
Clean design.

What We Don't Like

Few features.
Requires phone calibration.
Banner ad at bottom of app.

Bubble level is one of the simplest apps of all. It works like a regular bubble level you'd buy at the hardware store, but it's three bubble levels in one. The bottom of the screen shows the x and y coordinates if the level is at all off-center.

Download Bubble Level

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Levels and Angles: Ruler - Bubble Level & Angle Meter

What We Like

Four apps in one.
Accurate measurements.
Save feature for all measurements.

What We Don't Like

Annoying full page ads.
Very basic interface.
Few features.

This is a slightly more advanced bubble level app that includes four features in one app, including an on-screen ruler, a 2D rule for measuring two sides along the phone at once, a bubble level, and an angle measurement utility that uses the camera to measure angles of objects in the real world.

Download Ruler - Bubble Level & Angle Meter

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Measure Distance: Smart Distance Meter

What We Like

Distance and height measurement app in one.
Accurate measurements.
Easy to use.

What We Don't Like

Full page and banner ads.
Banner ads during measurements.
Requires good lighting to work right.

Smart Distance Meter, as the name implies, helps you measure both the distance to a target, and the height of the target itself, using just the phone camera.

You'll need to calibrate the height measurement by manually entering the height of the phone above the ground, but once you do, placing the crosshairs on the target returns a fairly accurate measurement of height and distance to target.

Download Smart Distance Meter

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Map Measurements: GPS Fields Area Measure

What We Like

Distance, area, and point-to-point measurements.
Uses Google Maps distance feature.
Highly detailed maps.

What We Don't Like

Almost identical to Google Maps.
Banner ads at the bottom of app.
Limited features.

If you'd like to measure longer distances, this is the perfect app for the job. It incorporates the Google Maps distance feature into advanced features that let you measure both distances and areas on top of the Google map of an area.

Simply tap the distance, area, or point of interest mode, then tap the map to measure out distances between taps. It essentially makes the Google Maps distance feature easier to use, with additional measurements possible.

Download GPS Fields Area Measure

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Simple Ruler: RulerApp

What We Like

Simple and responsive design.
Touch and slide endpoints to measure.
Copy measurement to clipboard.

What We Don't Like

Banner ad at the bottom of app.
No advanced features.
Limited to length of phone.

If you're looking for a very quick way to measure small objects, just launch RulerApp, lay your phone next to the object, and use your finger to mark the endpoints of the object. This app is very simple and easy to use.

Download RulerApp

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Two Scale Ruler: Ruler

What We Like

Simple to use.
Three methods of measurement.
Lightweight app.

What We Don't Like

Only two units available.
Limited to size of phone.
Full page ads.

This simple ruler app lets you choose between inches or centimeters. Choose to measure from one side, two sides, or three sides of the phone. This app lets you quickly measure small objects in seconds.

Download Ruler

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Measure Lines and Angles: Ruler by endoscope

What We Like

Includes both ruler and protractor.
Place object on the screen to measure.
Measure objects captured in photos.

What We Don't Like

Not intuitive to use.
Small print not easy to read.
Unclear menu system.

This ruler app from endoscope works slightly differently than others. Instead of measuring objects alongside your phone, you can place objects directly on the screen and slide the measurement points to the edge of the object. You can save measurements if you need to reference them later.

The app also lets you take a picture with your camera, then use the app to measure the object in the photo.

Download Ruler by endoscope

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