Pulley Speed Calculator: Ratio, RPM & Belt Speed
Pulley Speed Calculator — two-pulley RPM ratio, driven speed, and belt surface speed. Includes worked examples, common mistakes, and 8 FAQ.
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Chain Drive Calculator: Sprocket Ratio, Chain Length & Speed
Chain Drive Calculator — sprocket ratio, chain length in pitches, and chain speed formulas. Includes worked example, common mistakes, and 8 FAQ.
Gear Ratio Calculator: RPM, Torque & Teeth Count Explained
Gear Ratio Calculator — calculate RPM, torque, and teeth count for spur, helical, and bevel gear trains. Includes worked example, common mistakes, and FAQ.
Belt Drive Calculator: Speed Ratio, Belt Length & Belt Speed
Belt Drive Calculator — speed ratio, belt length, and belt speed formulas explained. Includes worked example, common mistakes, and FAQ. Free online tool for mechanical engineers.