A Ruler

A Ruler

Measure Precisely With A Ruler On Windows

A compact on-screen ruler designed for Windows and Android that brings precision measuring to your desktop. The tool offers horizontal and vertical overlays, pixel-accurate readouts, and fast unit switching between inches and centimeters. Adjust transparency, lock orientation, and use snap guides to position elements with confidence. Built for designers, students and DIYers, the utility includes calibration, rotation, and a magnifier for tight layouts. Shortcuts and presets speed repetitive tasks. Follow simple tutorials on how to measure correctly using a ruler and how to tell measurements on a ruler to get accurate results every time. You can also consult quick tips about how to read a 12 inch ruler inside the app. Installation is lightweight and the interface stays out of the way while you work. Use it for on-screen mockups, print layout checks, or classroom demonstrations. Clear controls and guided calibration make it easy to start measuring in seconds.

08 Jun 2024
Title A Ruler
Size 2.2 MB
Price free of charge
Category Applications
Developer Rob Latour
System Windows
2.2 MB
4
785 reviews
3657
downloads
The content of games with a PEGI 3 rating is considered suitable for all age groups. The game should not contain any sounds or pictures that are likely to frighten young children. A very mild form of violence (in a comical context or a childlike setting) is acceptable. No bad language should be heard. Equivalent to E (low end) and EC (which is no longer used). 435 titles were rated PEGI 3 in 2020.
PEGI Rating

App Features For A Ruler Tool

A Ruler is a versatile and user-friendly application that turns your smartphone into a precise measuring tool. With its intuitive interface, you can easily measure objects in both inches and centimeters with just a few taps. The app also offers a variety of measurement modes, including straight line, area, and angle measurements, making it perfect for a wide range of tasks. Whether you're a DIY enthusiast, a professional designer, or just need a quick measurement on the go, A Ruler has got you covered. Say goodbye to carrying around a physical ruler and hello to convenience and accuracy with A Ruler.

Measure Length

Easily measure the length of objects using your phone's camera. Perfect for DIY projects or quick measurements on the go.

Unit Conversion

Convert between different units of measurement such as inches to centimeters or feet to meters with just a few taps.

Save Measurements

Save your measurements for future reference or share them with others. Keep track of all your projects in one place.

Adjustable Grid

Customize the grid on your screen to match the scale of your project. Ensure accurate measurements every time.

Angle Measurement

Measure angles accurately using your phone's gyroscope. Perfect for carpentry or other projects that require precise angles.

Multi-Platform Support

Use the ruler app on multiple devices and platforms. Access your measurements from anywhere, anytime.

A Ruler

Get A Ruler Tool For Windows

Install And Set Up On Windows

download

Click on the Download button to start downloading A Ruler for Windows from Maombi.com

open

Open the .exe installation file in the Downloads folder and double click it

props

Follow the instructions in the pop-up window to install A Ruler on Windows Desktop

run

Now you can open and run A Ruler on your PC

Screenshots And Interface

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    Experience precision with our innovative application, featuring a pixel ruler for accurate on-screen measurements. The ruler, marked in pixels, ensures exact dimensions for your design projects. The sleek interface blends seamlessly with a modern blue gradient background, enhancing your workflow. Ideal for designers, developers, and digital artists, this application offers unparalleled accuracy and ease of use.

User Reviews And Ratings

Update: 31 Dec 2025

JackN

I've had mixed experiences with this app. While it's really convenient and fun to use, it has glitched a couple of times during measurements. Still, it's a useful tool when it works. I might keep trying it!

AvaS
  • 5
  • AvaS

Hands down, the coolest app I’ve downloaded. I can take measurements anywhere! I was skeptical about the accuracy, but it nailed every measurement I needed. I'm obsessed with it now! Best app ever!

GraceL

I was really excited about this app, but I've run into some frustrating moments with accuracy. It’s a nice tool, but I think it needs a bit of refining before I give it a thumbs up completely.

LukeH

I've been using this app for my packaging business and it's pretty great. The interface is user-friendly. Occasionally, it glitches out when I change measurement units, but overall, nice app!

LiamW

I’m seriously in love with this app! It’s perfect for my DIY projects. I can measure stuff in seconds. I never thought I’d get so pumped about a measuring tool, but here we are. Best invention ever! Thank you!

ChloeF

I’m on the fence about this one. It's super convenient, but I noticed some accuracy issues, especially on longer measurements. I appreciate the effort put into it, but it doesn't always deliver. Needs more work!

MiaC
  • 4
  • MiaC

This app has saved me a lot of time. I love the different modes. That said, I ran into a few bugs when I first started using it. Once I figured it out, though, it was smooth sailing!

NoahR

This app is the best! I measured my walls for painting, and it was super accurate! Plus, the layout is simple. Seriously, I feel like a pro now! Kudos to the developers, you guys rock!

IsabellaJ

Really great app! I love how it gives you precise readings and has options for different measuring types. I just wish sometimes it would save my last measurement, but it’s still super helpful!

EllaR

Great concept, but I found some discrepancies in measurements at times. I love the interface, though! It's handy for quick checks. I just wish it could be a bit more polished. Good effort!

JamesP

Amazing tool! I love how simple it is to use. I think the only thing it needs is a way to save measurements for future reference. Still, overall, it's fantastic! It makes everything easier.

SophieM

OMG, this app is lit! I used it for my school project and it was a breeze. No more fumbling with tape measures. The functionality is simple, and I can’t believe how accurate it is. Literally saved me so much time! Totally worth it!

CharlotteB

This app is pure magic! I never knew measuring could be so fun! It's packed with features I didn’t expect. I even showed it to my friends. They were all impressed! You HAVE to try it out!

OliverG

Overall, I like this app; it’s easy to use for home projects. It’s just that the calibration can sometimes be off, which confused me a bit. But a solid tool overall. I would recommend it!

OliviaT

Wow, just wow! The A Ruler app is a lifesaver. I used it to help my son with his school project, and it worked flawlessly. So precise! Honestly, I can’t believe I lived without it for this long. Must try!

EthanD

I freakin' love this app! It makes measuring a breeze! I can’t believe how easy it is to line things up! It’s made my life way easier—no more struggling with tape measures! Highly recommend!!

JakeH

I was skeptical at first, but this app is incredible! I never realized how handy a digital ruler could be. The interface is super easy and the measuring tool is super precise. It’s like having a real ruler in my pocket! Love it!

AidenS

The design is sleek, and I like the overall usability. That being said, I've found it sometimes gives inconsistent results which is a bummer. Not sure if I’d recommend it just yet, but there’s potential!

EmmaC

This app is honestly a game changer! I can measure anything I need like a pro! So easy to use, and the accuracy is spot on. I took measurements for my new furniture and it helped sooo much! Best app ever! Can't recommend it enough!