Scale Ruler play online

Scale Ruler is the simple application to display the scale of various measurement units.
Warning: The accuracy of the scales cannot be guaranteed.
Please be sure the calibration.

How to use:
There are two modes.

- Select mode:
In UNLOCKED state, after choosing measurement unit, magnification ratio and reduced scale, the scale is displayed.
You can lock the scale on the ruler with a switch.

- Free mode:
In UNLOCKED state, and freely set the scale by dragging the screen to the left or right.
The setting range is from 1: 1 to 1: 100.
When you press and hold the scale value, the keyboard is displayed and you can enter the scale.
You can lock the scale on the ruler with a switch.

Sorry for the advertisement during unlocking.


- Calibration
As scale is displayed correctly, ruler, using the size of a credit card, please do the calibration.
(Please use a ruler as much as possible.)
After calibration, please tap the "calibration" button.
Calibration results are saved.

"Reset" button : the display of the scale to the initial state. Save is not.
"Cancel" button : without saving the calibration results, and exit the calibration.


Specification of Scale Ruler
- measure length
meter,inches

- magnification ratio
50% , 70.7% , 100% , 141% , 200%

- reduced scale
for meter
1:100 , 1:150 , 1:200 , 1:250 , 1:300 , 1:400 , 1:500 , 1:600

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

for inch(Architectural)
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

for inch(Engineering)
1:120 , 1:240 , 1:360 , 1:480 , 1:600 , 1:720
1:800 , 1:960 , 1:1080