Real size ruler for Android browsers. You can use it like a actual ruler.
→If you want to measure angles, please use a web protractor
※The site may not be displayed correctly on PC and some Android browsers.
The ruler image on the right measures up to approx. 8.5 cm in length.
If you are using a smartphone other than Android, please select your model below.
You can use a virtual on-screen online ruler to measure the actual size of a small object in inches or centimeters if you don’t have a real ruler at hand. One such tool is Real size ruler for smartphones.
When you don't have a ruler, you can measure length with your iphone or smartphone.
There is no need to install an application.
When you want to measure how long something is, just launch a browser on your iphone or smartphone and you can use a ruler of the actual size to measure the length.
On this site, you can check the length of 1cm, 2cm, 3cm, 4cm, 5cm, 6cm, 7cm, 8cm, 9cm, 10cm, and so on with the actual size of the ruler. You can also check how long 1inch, 2inch, 3inch, 4inch, 5inch, 6inch, 7inch, etc. are with the actual size of the ruler image.
All you have to do is to use the ruler image displayed on the edge of the screen on your iphone or smartphone.
There is also a service to download printed rulers that can print and measure up to 1 meter, printed triangular rulers that can measure up to 10 cm, circular rulers that can measure from 5 mm to 60 mm in diameter, and bamboo shaku that can measure up to 4 shaku.
For requests or inquiries about the site, please fill out the form using the button below.