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 Color OverLine (Easier to cut) Radius 1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 11' 12' 13' 14' 15' 16' 17' 18' 19' 20' 21' 22' 23' 24' 25' 26' 27' 28' 29' 30' 31' 32' 33' 34' 35' 36' 37' 38' 39' 40' _ 1" 2" 3" 4" 5" 6" 7" 8" 9" 10" 11" _ 1/16 1/8 3/16 1/4 5/16 3/8 7/16 1/2 9/16 5/8 11/16 3/4 13/16 7/8 15/16 Incs _ 1' 2' 3' 4' 5' 6' 7' 8' 9' 10' 11' 12' 13' 14' 15' 16' 17' 18' 19' 20' 21' 22' 23' 24' 25' 26' 27' 28' 29' 30' 31' 32' 33' 34' 35' 36' 37' 38' 39' 40' _ 1" 2" 3" 4" 5" 6" 7" 8" 9" 10" 11" _ 1/32 1/16 3/32 1/8 5/32 3/16 7/32 1/4 9/32 5/16 11/32 3/8 13/32 7/16 15/32 1/2 17/32 9/16 19/32 5/8 21/32 11/16 23/32 3/4 25/32 13/16 27/32 7/8 29/32 15/16 31/32 Feet   Inches

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 Scale 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

Scale

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

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

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