Online Ruler — Real Size Measurement for iPhone13 & 13 Pro (cm & inch)

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centimeter view   inch view

Online Ruler for iPhone13 and iPhone13 Pro

This is a real size online ruler designed for iPhone13 and iPhone13 Pro browsers. You can use it just like an actual physical ruler on your screen.

With this online ruler, you can easily measure the real size of small objects in centimeters or inches without downloading any app. Simply switch between Centimeter Ruler and Inch Ruler using the buttons above.

How to Use This Online Ruler

  1. Open this page on your iPhone13 or iPhone13 Pro browser.
  2. Select centimeter or inch mode.
  3. Place the object along the edge of the screen.
  4. Read the measurement directly on the ruler.

Is This Online Ruler Accurate?

This ruler is calibrated specifically for iPhone13 and iPhone13 Pro screen sizes, allowing you to measure actual size accurately. No manual calibration is required.

Supported Devices and Limitations

  • This ruler works only on supported iPhone browsers.
  • It may not display correctly on PCs or some Android devices.
  • You can measure lengths up to approximately 12 cm or 4.5 inches for free.

If you need to measure angles, please use our online web protractor.

If you are using a smartphone other than iPhone13 or iPhone13 Pro, please select your device model from the list below.

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HOME

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.

Printing Ruler

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 Ruler for printing

Go to Triangle Ruler for Printing

Go to Printable Circle Ruler Page

Go to actual size bamboo scale for printing

About inquiries to the site

For requests or inquiries about the site, please fill out the form using the button below.

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Ruler image for iphone13 and 13pro