You want to measure on the computer screen in different measurements then you need an on-screen ruler to do the same. We have evaluated the best on-screen ruler for you to use. The on-screen ruler is available as an online tool or can be download to the computer. The on-screen ruler is used by persons who want to measure the screen like website designers and others. Let us now look at the available rulers.

iRuler

iruler


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Rating: 4/5

Price: Free

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It is a free online on-screen ruler specially calibrated for the phone and tablet devices. It measures in millimeters and inches. It does auto adjustment based on the size of the device. Calibrating the ruler by comparing with an object whose dimension is known. The ratio aspect is optional.
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JR Screen Ruler

jr screen ruler1


Details

Rating: 4.2/5

Price: Free

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A screen ruler is a great tool which allows you to measure anything on the screen. This is useful to measure graphics, web page, and browser sizes. You can capture the size of the active window. You can customize color setting transparent color, ruler rotation and more. You can activate by key controls.

Free Online Ruler

free online ruler


Details

Rating: 4.4/5

Price: Free

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It is an online ruler. You have the option to measure in centimeters and inches or any one of the measurements. You can flip the same to hide it and use when needed. You need to use the Ctrl keys to rotate the ruler. An easy to use a ruler for measuring anything on the screen.

On-Screen Ruler for Other Platforms

You would like to use the on-line ruler on the device you have in your home. This would be computers or laptops with Windows, Mac, and other operating systems. You would have a preference to use your mobile or tablet which runs Android or IOS. We will review the on-screen ruler available on these platforms.

Simple Screen Ruler for Windows

simple screen ruler


Details

Rating: 4.3/5

Price: Free

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This application runs on your PC with Windows software. It is used to display the ruler on the screen. You can measure by the showed ruler on your screen. You can measure the size of the pictures on the screen. It can show in cm, inch, and pixel. It shows the screen information.

Free Ruler for Mac

free ruler


Details

Rating: 4.5/5

Price: Free

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This is a free ruler which runs on the MAC OS. A horizontal and vertical rule which can be used independently or simultaneously. Measurement is in pixels, cm, and inches. There is an automatic alignment of rulers. You can group all the rulers together and move them around. It has shadow fewer rulers with customizable transparency.

Ruler App for Android

ruler app


Details

Rating: 4.2/5

Price: Free

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Ruler App is for your phone or tablet which runs the Android OS. It has a fast and responsive interface with a modern design built for the phone or tablet. It is very simple to use and supports the touch interface of your device. It keeps the history of all your measurements.

Ondesoft Screen Rulers – Most Popular Software

ondesoft screen rulers


Details

Rating: 5/5

Price: $9.95

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It is an easy, powerful and virtual ruler of the Mac system. It is a highly configurable measuring utility with many great features, enabling you to measure in pixels, millimeter, inches and other customizable measurements as per your need. A notebook provides you a history of the detailed measurements you have taken.

How To Install On Screen Rulers?

This On-Screen Ruler software can be downloaded from the website. You can download as per the operating system of your system. Once the software is downloaded you can run the setup program. It will ask a few questions which will help to install in a particular directory and register the software in your name. Once installed you can run the application to check whether it is launching fine. You can read the user manual to use the software.

You are a graphic or website designer. You would like to use an on-screen ruler to measure the objects for your design. You can use any of the on-screen rulers reviewed above. You may try out the rulers before finalizing on any of the tools.

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