Online Ruler 1:1 / Ruler 1:1
cm
Convert:0 cm0 mm0 in
Calibrated 1:1
30 CM ACTUAL SIZE
CENTIMETERS (0 — 30 cm)
Online Ruler 1:1 / Ruler 1:1

Penggaris Online — 30 cm / 18 cm (1:1)

This interactive ruler allows you to freely reposition the scale over any image or object on your display. Drag using touch or mouse, rotate 90°, and toggle between cm, mm, and inches.

Calibrate using a standard card or screen diagonal to guarantee exact 1:1 physical scaling.

Online Ruler 1:1 / Ruler 1:1

Freely Movable

Drag the ruler anywhere on your screen for quick alignment.

90° Rotation

Switch between 30 cm horizontal and 18 cm vertical scale.

Multi-Unit

Seamlessly toggle between centimeters, millimeters, and inches.