5 centimeters Ruler — Actual Size
Use this ruler to visualize and measure exactly 5 centimeters on your screen. After calibrating with a credit card or reference object, the ruler above displays 5 cm at its true physical size on any device — phone, tablet, or desktop. For reference, 5 cm is close to the size of a golf ball (about 43mm) or a AA battery (50mm long).
Unit Conversions for 5 centimeters
5.00
centimeters
50.0
millimeters
1.97
inches
How to Measure 5 centimeters
- Open this page on the device you want to measure with and use the ruler displayed above.
- Calibrate by placing a credit card on the screen and adjusting the slider until the outline matches the card. This takes about 10 seconds.
- Place the object you want to measure against the ruler. The markings show centimeters, millimeters, and inches, so you can read 5 cm directly.
- Your calibration is saved in the browser, so the ruler remains accurate on your next visit.
About This Measurement
5 centimeters equals 50.0 millimeters or 1.97 inches. One centimeter is one-hundredth of a meter, or about 0.394 inches. The centimeter is part of the metric system used by most countries worldwide.
A real-world object close to 5 cm in size is a golf ball (about 43mm) or a AA battery (50mm long). You can use such objects to get a quick sense of scale without a ruler.