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. Graduation of inch: " (Set PPI according to your screen size) Have you ever imagined that we can measure anything from Online Ruler?

Actual size online ruler: the most accurate size ruler on the web. Metric scale ruler: variable scale ruler with metric units(cm, m, km) Imperial scale ruler: variable scale ruler with imperial units(in, ft, yd, mi) Online Protractor: use this transparent protractor to measure the angle of anything; Share to your good friends

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

To calculate the scale length, use real length multiply the scale factor of it, then divide the scale factor of scale length, for example. A room of 5.2 meters by 4.8 meters, what is the scale size for the building plan at scale 1:100 ? First, we can convert the unit from meter to centimeter.

A scale ruler a tool for measuring distances and transferring measurements at a fixed ratio of length; eg. architect's scale or engineer's scale. An Architect's or scale ruler is designed for use in determining the actual dimensions of a distance on a scaled drawing.

12 Inch Architect Scale Ruler, Metric Triangular Scale Ruler for for Students, Architects, Engineers, Draftsman Multicolor - Plastic

Use a full scale ruler to measure a known measurement from an image on-screen. In the Calculate Scale dialog, enter this measurement into Measured Length and the actual full scale measurement into Full Scale Length. Hit Calculate Scale to calculate the scale.

93 BUILT-IN SCALES: NeoRuler provides 93 built-in scales for maximum versatility. Multiple units; decimal feet, feet-inches, decimal inches, yards, millimeters, meters, kilometers ; CUSTOMIZE INFINITE SCALES: NeoRuler allows you to define unlimited scales when missing or out-of-plan scales.

Shinwa H101-C 300 mm Rigid "Zero Glare" Metric Machinist Ruler/Rule Scale .5 mm & mm Markings

Turn your smartphone and tablet to a ruler and measure the scale of any small thing. Scan above QR code to open browser, and turn your mobile phone screen to landscape mode, so that the length of online ruler will longer.