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How does a mitre saw protractor work?

How does a mitre saw protractor work?

Shop for Mitre Saw Protractors

Mitre saw protractor, measuring, marking, angles, carpenters, DIYer, wonkee donkee. A mitre saw protractor works to accurately measure and provide users with angles. These angles can then be used in conjunction with a mitre saw to produce specific types of cuts for certain applications.
Mitre saw protractor, measuring, marking, angles, carpenters, DIYer, wonkee donkee. To measure an angle, the arms of the mitre saw protractor are opened to fit in or around the angle. The O-ring acts as a pivot allowing the arms to rotate to accommodate the angle you want to measure.
Mitre saw protractor, measuring, marking, angles, carpenters, DIYer, wonkee donkee. The mitre saw protractor arms are then placed in or around an angle.
Mitre saw protractor, measuring, marking, angles, carpenters, DIYer, wonkee donkee. When the arms rotate, the arrows on the scales will line up and point to the correct measurement. The scales on a mitre saw protractor are mitre and single cut scales.
Mitre saw protractor, measuring, marking, angles, carpenters, DIYer, wonkee donkee. A mitre cut angle would be the outer arrow pointing to the inner scale.
Mitre saw protractor, measuring, marking, angles, carpenters, DIYer, wonkee donkee. The inner scale of the protractor measures 0 to 90 degrees in both directions. The inner scale has a smaller measuring range than the outer scale because it halves the angle without the use of calculations, providing a mitre cut to form a mitre joint.

For example, 45 degrees on the inner scale would really be 90 degrees.

Mitre saw protractor, measuring, marking, angles, carpenters, DIYer, wonkee donkee. A single cut angle is the inner arrow pointing to the outer scale.
Mitre saw protractor, measuring, marking, angles, carpenters, DIYer, wonkee donkee. The outer scale measures 0 to 90 degrees in each direction.

This will show the actual measurement of a single cut angle as it would be shown on a mitre saw.

Mitre saw protractor, measuring, marking, angles, carpenters, DIYer, wonkee donkee. Whether the mitre saw protractor is upside down or backwards, both the inner and outer scales measure 0-90 degrees in each direction, so the arrows will always point to the correct reading.
Mitre saw protractor, measuring, marking, angles, carpenters, DIYer, wonkee donkee. Finally, you can adjust the settings on your mitre saw to correspond with the measured angles, so as to produce specific types of cuts.

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