Spur Gear Calculator Diameters, tooth geometry and measurement over wires
Enter the tooth count, pressure angle and diametral pitch beside the gear. Outside and pitch diameters and the measurement over wires appear in red; whole depth, addendum, chordal figures and the rest are listed below.
All results
Press Calculate to fill this table.
Every value the calculator produces, in the original order. Tinted, bold rows are the key results also shown on the drawing.
Original reference
Names of the tooth dimensions listed in the results.