centimeter view inch view
This is a real-size web ruler viewed in the iPad browser.
You can switch between "Ruler for centimeter" and "Ruler for inch" by clicking the button above.
→If you want to measure angles, please use a web protractor
※The site may not be displayed correctly on PC and some Android browsers.
Lengths up to approximately 19 cm or 7.5 inches can be measured free of charge with the ruler image shown at right.
If you are using a smartphone other than iPad, 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.
Actual ruler for iphone15 and 15pro
Actual ruler for iphone14 and 14pro
Actual ruler for iphone13 and 13pro
Actual ruler for iphone12 and 12pro
Actual ruler for iphoneX and XS
Actual ruler for iphone6 and 6S
Actual ruler for iphone 6Plus and 6SPlus
Actual ruler for iphone5 and 5S
Actual ruler for Android (Pixel7a)
Actual ruler for Android (Pixel7pro)
Actual ruler for Android (Pixel6pro)
Actual ruler for Android (Pixel6a)
Actual ruler for Android (Xperia10III)
Actual ruler for Android (AQUOSsense4)
Actual ruler for Android (GalaxyS21+5G)
Actual ruler for iphoneX and XS (inch)
Actual ruler for iphone8 (inch)
Actual ruler for iphone7 (inch)
Actual ruler for iphone6 and 6S (inch)
Actual ruler for iphone5 and 5S (inch)
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.
Go to Triangle Ruler for Printing
Go to Printable Circle Ruler Page
Go to actual size bamboo scale for printing
For requests or inquiries about the site, please fill out the form using the button below.