Directory Metric or Imperial

Adjustable Printable Scale Rulers - 1:0.5 to 1:200 - Measure at Scale From On-screen Image - Metric

Adjust scale and total ruler length and print templates at 100% printer scale.

Un-check Top Border to remove ruler top line.

Open new window to create PDF and print.

Scale 1 :
Scale Calculator

If your plan's been re-printed or copied to different scale, use the Scale Calculator to find new scale.

Click slider to select then use keybaord cursor keys to fine tune Scale

Printable scale ruler adjustable scale 1:0.5 to 1:200

Total Length

Alert Set printer scale to 100%
The rulers below are pre-set to commonly used scales. Print this page and compare the 1:1 scale against a standard tape or ruler.

Printable scale ruler scale 1:1

Printable scale ruler scale 1:2

Printable scale ruler scale 1:5

Printable scale ruler scale 1:10

Printable scale ruler scale 1:20

Printable scale ruler scale 1:50

Printable scale ruler scale 1:100

Printable scale ruler scale 1:200
Calculate Scale
Measured Length Plan/Screen
Full Scale Length
Measure at Scale
Measured Length
Scale 1 :
Scale from Plan or On-screen Image Take a measurement from plan or on-screen image and enter it and the actual length it represents to calculate the scale.

For an on-screen image, measure the known dimension of an object in the image (eg: a wheel diameter)

See also: Find Scale From Image
Measured Length

Scale from On-screen Image Measure at Scale From On-screen Image
Use a full scale ruler to measure a known measurement from an image on-screen. In the Calculate Scale dialog, enter this measurement into Measured Length and the actual full scale measurement into Full Scale Length. Hit Calculate Scale to calculate the scale. This enters the scale into the lower Measure at Scale dialog. Now, measure any length from screen image or plan, enter into Measured Length and hit Calculate to calculate the actual full scale length.

If scaling from an on-screen image, you can enlarge the image on the screen for more accurate measurements.
Hold down the CTRL key and hit + to enlarge, - to decrease size and 0 to re-set to 100% (normal).

DON'T BREATH THE DUST If you're cutting concrete, stone or ANYTHING and there's DUST - DON'T TAKE THE RISK
Don't cut it, or cut it wet so there's NO DUST - Silicosis Sucks

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All calculators on this site are geometric only.
Check relevant local regulations for appropriate sizes, spacings and all engineering requirements.

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To fine tune Slider Controls click to select then use keyboard cursor keys.

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