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 800x600 pixels.

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.

A handy and accurate on-screen online ruler in inches and centimeters/millimeters. For any device.

Enter visible screen width below to calibrate ruler.

This virtual ruler that can be adjusted to true size, that can actually measure the actual length, the upper half is metric ruler (millimetre and centimetre), lower half is inches ruler, before you use this ruler, please set the pixels per inch to your own device.

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.

2016年6月30日 · This is an online ruler (centimeters, millimeters, inches) can be adjusted to the actual size, before you use it, please set of pixels per inch in your own device, but also can be adjusted by reference.

2016年10月31日 · This is an online ruler (centimeters, millimeters) can be adjusted to the actual size, before you use it, please set of pixels per inch in your own device, but also can be adjusted by reference. If you need a real ruler or tape, you can print a ruler, or purchase online.

Our application creates a virtual ruler equivalent to a real ruler in inches and centimeters on your display. Make sure the application correctly detected the size of your device’s screen. If the measurement is incorrect - specify your screen size in inches manually. Click …

This virtual ruler allows you to have a life-sized ruler to measure the length of small objects in inches centimeters or millimeters. To use the digital ruler, you just have to select the desired unit of measurement: inches (green color) = IN and centimeters (gray color) = CM .