Create your own centimeter ruler. Then, estimate and measure with lengths with it. Warm up with a Mystery Math Mistake as you add two 2-digit numbers using a decomposition strategy. Think through ...

Learn how to change Ruler unit in Word, Excel, PowerPoint from default inches to cm, mm, points, picas via Settings, Registry or Group Policy Editor.

You can measure most things in the physical world with centimeters and inches. A standard ruler handles both---but it ignores digital environments, which render in pixels, and typefaces, which ...

Centimeter markings are ideal, but it’s OK if you don’t have a metric ruler or tape. Just be sure to multiply each measurement in inches by 2.54 to get the equivalent number in centimeters.

GIMP allows you to temporarily change the ruler's units, however, to inches, millimeters, picas, points, centimeters, meters, feet or yards if you prefer. Launch the GIMP image editing application.