This is a convenient online ruler that could be calibrated to actual size, measurements in cm, mm and inch, the upper half is the millimeter ruler and centimeter ruler, the lower half is an inch ruler.

Online Ruler will help you to take actual size measurements of any object in mm, cm, and inches. Also, it's free and easy to use. Your current screen resolution is pixels.

Enter visible screen width below to calibrate ruler.

Online ruler is a digital tool or web application that can allows users to measure the actual size of any object in cm/mm ruler in your computer screen.

Free online ruler tool for measuring inches (in), centimeters (cm) and millimeters (mm)! The ruler scales to actual size based on your screen size. Every device has a different pixel density, so we auto-detect your device and scale the ruler accordingly.

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.

Our free printable ruler (actual size) comes is available in mm, cm, and inches. A ruler printable is useful to put in your planner or for other uses, such as sewing projects when you need to pin on the ruler.

Easily measure with our Online Ruler! Switch between cm/in, add custom lines, calibrate using standard sizes, and enjoy saved sessions for seamless revisits.

Turn your screen into a ruler online! Measure actual sizes with Get Ruler in centimeters, inches or pixels. No need for measuring tapes or rulers.

Online ruler to quickly measure objects on any device with any screen size. Accurate, user-friendly, supports both cm and inches. Perfect for instant size checks without needing any tools!