Best Top 20 Virtual Ruler Apps

What do you do when you don’t have a physical ruler to measure? You can download these free ruler apps and measure easily.

You can download free ruler app from Android store and install it.

Here they are:

1) Ruler

2) Ruler

3) Ruler App – Measure length in inches + centimeters

4) Smart Ruler

5) AR Ruler App – Tape Measure & Camera To Plan

6) Ruler

7) Ruler App – Camera Tape Measure

8) ARPlan 3D: Tape Measure, Ruler, Floor Plan Creator

9) Handy Ruler

10) CamToPlan – AR measurement / tape measure

11) Measure (iOS)

12) Ruler® (iOS)

13) Ruler ++ (iOS)

14) Ruler 2.0 – inch, mm, cm (iOS)

15) Ruler for iPad and iPhone (iOS)

16) Ruler App + AR Tape Measure (iOS)

17) Online Ruler (Online)

18) iRuler (Online)

19) Ginifab (Online)

20) Online Ruler (Online)

virtual ruler app

1) Ruler

With this ruler app, you can convert units (mm to inches and centimeters to inches), calculate length, area with your android mobile phone.


This screen ruler has inflicted strokes (scale), multiple units of length (centimeter, meter, inch) used to measure distance.

This electronic ruler can be used to accurately measure distance and it is very easy to use. It has a stylish design with simple calibration. You can set the units to cm, mm or inch.

With the hold function, you can measure length on either side of the device on a graph paper, vertical and horizontal line.

There are measurements in 4 modes, point, line, plane, and level. It has more than 15 languages that you can use.

It is one of the best multi-touch measuring systems to find the size of everything around you.

2) Ruler

This is a simple to use an accurate ruler for your phone. You can use a coin or a credit card to calibrate this mobile ruler.


This ruler app is ad-free and you pick your units such as fractional inches, decimal inches, centimeters, or millimeters.

You can manually set the ruler to a known length to get precision measurement transfers.

There is also a night mode to save battery and your eyes. You can also save your measurements for future use.

3) Ruler App – Measure length in inches + centimeters

This is a great mobile ruler app with precise measurement. You can access the history of measurements. You can choose either centimeters or inches according to your choice.

You can use your mobile phone or tablet and it has a fast and responsive screen. You need to touch the screen and move the right and the left handles with your fingers.

Ruler App – Measure length in inches centimeters

You can copy the current length to the clipboard and paste it onto other apps. There is also a multi-touch caliper tool functionality.

4) Smart Ruler

This smart ruler app has a simple and easy user interface. You can use it with a single touch or multi-touch as you desire.

Smart Ruler

This ruler app can measure the length of a small object by touching the screen. It’s a must-have in your smart tools collection.

5) AR Ruler App – Tape Measure & Camera To Plan

This AR ruler app uses augmented reality technology to measure with your smartphone’s camera.

AR Ruler App – Tape Measure Camera To Plan

You can measure items that are difficult to access. It has rectangle and circle detection.

6) Ruler

It is simple and easy to use screen ruler. There is no need for any permissions to use this app and it is free and has no ads.


You need to touch CAL to calibrate your ruler with a real ruler for the first time. You can measure the length between two markers easily and also copy measurements to your clipboard.

7) Ruler App – Camera Tape Measure

ARCore ruler app is a powerful tape measure tool that uses augmented reality technology.

Ruler App – Camera Tape Measure

You can measure the real world with your smartphone’s camera. You just need to target and aim at the detected plane and start using the AR tape measure tool.

The line feature allows you to tape measure linear sizes in cm, m, ft, yd and apply mm ruler or inch ruler.

The distance meter allows you to tape measure distance from your phone’s camera to a fixed point on the detected 3D plane.

The angle feature allows you to tape measure corners on 3D planes.

The volume feature allows you to tape measure the size of 3D objects. There is also an option to calculate the length of the path. It also allows you to measure height on a recognized surface.

This photo ruler app is designed to accurately tape measure the size of any object. You can either take a picture or measure it directly on the screen.

This photo ruler app is as convenient and accurate as a traditional mm ruler or tape measure tool.

8) ARPlan 3D: Tape Measure, Ruler, Floor Plan Creator

You can measure perimeter and height in augmented reality. You can measure and add doors, windows, and photos. You can get a floor plan and 3D view. You can create a free professional PDF report and also a classic 2D floor plan.

ARPlan 3D Tape Measure Ruler Floor Plan Creator

You can archive and save your plan with all the measurements. You can easily calculate perimeter, floor square, walls square, and other values, that are useful for construction materials quantity estimations.

You can create a free 3D floor plan of the room with all the measured dimensions.

9) Handy Ruler

You can use it as a regular ruler or adjust and read it digitally. It can work as both inches (decimal or fraction) or cm.

You can adjust both sides of the screen. You can also measure both width and height, measurements can be saved to a list. The listed measurement can be put back to the screen again.

You can use the high precision mode for accurate measurements. You can adjust scales to calibrate with an object of known size.

10) CamToPlan – AR measurement / tape measure

You can measure anything horizontally and vertically. You can measure the length, distance, area of any surface with this virtual ruler, and tape measurement with ARCore and augmented reality.

With the help of virtual reality (VR), you can measure floors, dimensions of walls, windows, doors, or a whole home in a few seconds.

CamToPlan AR measurement tape measure

This virtual ruler app is useful for real estate professionals, construction workers, gardeners, landscapers, swimming pool builders, cost estimation professionals, and people in the building industry.

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About N Kamal Hasa

I am Kamal Hasa N from Bengaluru, India and I am the owner of I am a professional blogger since 2011. I hope you have a great time on NPXP and a good day.

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