Calculators - Estimators - Template Generators
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Diameter Printed
Scale Radius
Markings
Lines
(Easier to cut)
 

Printed Diam
Printed Radius
Scale 1 :
Print and fold or cut protractor template in half, or cut half the inside out, leaving the centre point intact.

To match the scale of an arc or circle on a plan and measure around it, enter the full size radius of the arc and drag the Printed Diameter slider to re-size the template to the correct scale.
At correct scale,the outside of the template will match the arc on the plan.

Print current Protractor to match a 2,000 radius marked on a plan at a scale of 1:20

Printed Diameter
Face Width

Scale 1 :
Printed Outer Radius
Printed Inner Radius
Printed Circumference
Actual Radius
Actual Circumference



Check Incs checkbox to mark incremental points around the circumference. See tables below.

Arc Length per Degree at Radius - ( 1° = )







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Create PDF files to print diagrams on current page. Print large images over multiple pages Printing to Scale Help and Plan Printing.

Slider Controls To fine tune Slider Controls click to select and use (cursor) keyboard keys.

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Lay your device on an angled surface (roof ?) to directly measure angles and automatically calculate Roofing and Pitch Angle Apps.

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AND FOLLOW ALL LOCAL CODES. VERIFY ALL DIMENSIONS AND ANGLES BEFORE CONSTRUCTION.
All calculators on this site are GEOMETRIC only. Check loacl regulations for sizes, spacings and all engineering requirements.


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