CALCULATORS

Calculator Tools

Enter values to get instant, copy-ready results.

GT2 Pulley Center Distance Calculator

Calculate the center distance between GT2 pulleys from the belt length

Gear Ratio Calculator

Calculate gear ratio, output speed, and torque from driver and driven tooth counts (multi-stage)

LED Resistor Calculator

Calculate the required resistor value and power consumption from supply voltage, LED forward voltage, and current

Stepper Motor Steps/mm Calculator

Calculate steps/mm and travel distance from step angle, microstepping, and drive type

ISO Fit Tolerance Calculator (ISO 286)

Calculate hole and shaft tolerances and fit type from nominal diameter and tolerance class

Roller Chain Center Distance & Link Count Calculator

Calculate the number of chain links and actual center distance from sprocket tooth counts and desired center distance