scale ruler ( ruler app )

A ruler app that allows you to set various scales.

(privacy policy)

Scale Ruler is a simple app that displays scales of various scales.
※Note
- Display accuracy cannot be guaranteed.

- Be sure to calibrate.

selection mode

During UNLOCK, a scale will be displayed when you select the unit, magnification, and scale.

unit
・Metric, inch, inch (architectural scale), inch (engineering scale)

magnification
・50%, 70.7%, 100%, 141%, 200%

scale
・m series

　1:100 , 1:150 , 1:200 , 1:250 , 1:300 , 1:400 , 1:500 , 1:600

・inch type

　1:1 , 1:1.5 , 1:2 , 1:2.5 , 1:3 , 1:4 , 1:5 , 1:6

・inch (architectural scale) system
1:1 , 1:2 , 1:4 , 1:8 , 1:12 , 1:16 , 1:24 , 1:32 , 1:48 , 1:64 , 1:96 , 1:128 , 1:192 , 1:384

・inch (engineering scale) system
　1:120 , 1:240 , 1:360 , 1:480 , 1:600 , 1:720 , 1:800 , 1:960 , 1:1080

free mode

While UNLOCK, you can set the scale in the range of 1:1 to 1:100 by dragging the screen.

If you press and hold the scale display area, a keyboard will appear and you can enter the scale.

Settings (iOS)

On the settings screen, perform calibration and PPI settings.

When you select "Calibration", the calibration screen will be displayed.

PPI(pixels per inch) setting
If the model is undecided, check the PPI value of the model and set the PPI value.

After setting the PPI value, please perform calibration afterwards.
*Please set this only if the model is undecided.

Adjust the length of the ruler.
Please use the correct ruler for adjustment.

・ "◀︎▶︎" "◀︎◀︎▶︎▶︎" buttons: Adjust the scale of the displayed ruler.

- "Calibration" button: Records the adjusted state and reflects the calibration results on the ruler display.
・"Reset" button: Returns the adjustment state to the default value. It will not be recorded.
・"Initialize" button: Returns the adjustment status to the default value and reflects it on the ruler display.
*Note: Calibration values will be reset when the model is changed.

Settings (Android)

To ensure that the scale is displayed correctly, please calibrate using either a ruler, the size of a credit card, or the size of a Japanese banknote issued in 1984. (Use a real ruler whenever possible)

・"◀︎▶︎" "◀︎◀︎▶︎▶︎" buttons: Adjust the scale of the displayed ruler.

・"Calibration" button: Calibration results are saved.
・"Reset" button: Returns the scale display to its initial state. It will not be saved.
・"Cancel" button: Ends the calibration without saving the calibration results.