Engineering Calculators

Convert units of length, area, volume, weight, and more.

Calculate voltage, current, resistance, and power using Ohm's Law. Essential for electrical engineering, circuit design, and electronics projects.

Calculate voltage drop in electrical circuits based on wire length, size, and current. Essential for proper electrical system design and code compliance.

Decode resistor color bands to determine resistance values. Calculate resistance, tolerance, and temperature coefficient from 4, 5, or 6 band resistors.

Calculate the appropriate cable size based on electrical load and distance. Ensure safe and efficient electrical installations with proper cable sizing.

Calculate the volume of pipes and cylinders based on diameter and length. Essential tool for plumbing, engineering, and fluid system design.

Convert fuel volume to mass based on fuel type and density. Essential tool for aviation, automotive, and engineering fuel calculations.

Calculate natural vibration frequency based on mass and stiffness. Essential tool for mechanical engineering, structural analysis, and vibration control.

Calculate slope in degrees or percent based on rise and run. Essential tool for construction, engineering, and surveying applications.

Calculate power consumption and electricity costs for appliances. Essential tool for energy management, cost estimation, and efficiency planning.

Calculate torque based on force and distance. Essential tool for mechanical engineering, automotive work, and tool selection.

Calculate thermal expansion of materials based on temperature changes. Essential tool for construction, engineering, and material science applications.