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.

Full-screen online ruler - Accurate measurements in inches and centimeters on your screen.

Use our online actual size ruler to accurately measure objects in both centimeters and inches. Print-ready and calibrated for your screen.

Free online ruler for accurate measuring in inches, centimeters, and millimeters. Use our real size digital ruler on any phone, tablet, or computer.

An online screen ruler tool for accurate on-screen measurements. Measure in actual size using centimeters, millimeters, inches, or pixels.

Use the most accurate actual size online ruler to measure in inches or cm. Calibrate with a credit card for perfect precision on any screen. Ideal for 1/16 inch and mm measurements.

Measure in cm, inches, or mm with this accurate online ruler. A real-size, printable tool for desktop or phone that works vertically or horizontally.

A free, accurate online ruler to measure physical objects. Features 1:1 calibration, 30cm+ support, vertical mode, and full-screen measuring.

Measure objects accurately in inches with our online inch ruler. Perfect for when a traditional ruler isn't handy, our tool adapts to your device screen size, ensuring you get precise measurements every time.

Enter visible screen width below to calibrate ruler.