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Use this tools to compute, the resulting robot speed, the required motor RPM, and the corresponding wheel diameter. Solve for Vehicle Speed: Equation: Speed = (RPM (diameter * PI) / 60) Solve for Motor Speed: Equation: RPM = ((60 * speed) / (diameter * PI)) Solve for Wheel Diameter: Equation: Diameter = ((60 * speed) […]

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Speed and RPM Gauge

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Instructions: Select the appropriate unit and enter a value to be converted. * Note: Weight (force) and mass are different entities. To convert mass to weight, multiply by gravity (9.81 m/s^2 or 32f t/s^2). ** Note: Although kg-cm is used throughout the RobotShop site, it is actually kgf-cm. Similarly, oz-in should actually read ozf-in throughout […]

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Measuring Tools

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The Robot Torque Arm Calculator is intended to help you choose the right motor for each joint of your robotic arm. The torque (T) required at each joint is calculated as a worst case scenario (lifting weight at 90 degrees). Ensure your units are consistent. Most common units are kg-cm and oz-in. Take a look […]

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Robot Arm Torque Calculator