Engineering Calculators
37 free calculatorsEngineering calculations demand precision. These tools handle the core formulas across electronics, mechanical systems, and structural analysis - showing inputs, outputs, and the derivation connecting them.
Each calculator cites its source formula and explains the units and edge cases that matter in practice.
Beam Deflection Calculator
Calculate beam deflection for simply supported beams under point loads. Enter beam length, load force, material properties, and get precise deflection results.
Beam Deflection Calculator
Calculate beam deflection for simply supported and cantilever beams. Enter load, beam length, elastic modulus, and moment of inertia to get maximum deflection.
Beam Load Calculator
Calculate beam load capacity and deflection for structural beams. Enter beam dimensions, material properties, and loading conditions to determine safe load l...
Bearing Load Calculator
Calculate bearing static and dynamic loads for shaft design. Enter forces, angles, and safety factors to determine if your bearing can handle the load.
Bolt Torque Calculator
Calculate bolt torque values using diameter, thread pitch, yield strength, and safety factor. Get precise torque specifications for secure fastening.
Circuit Impedance Calculator
Calculate circuit impedance for AC circuits with resistance, inductance, and capacitance. Enter component values and frequency to find total impedance.
Compressor Efficiency Calculator
Calculate compressor efficiency using inlet/outlet pressures and temperatures. Enter gas properties to see isentropic and polytropic efficiency values.
Conduit Fill Calculator
Calculate how many wires fit safely in electrical conduit. Enter wire gauge and conduit size to get maximum wire capacity per NEC code requirements.
Electrical Load Calculator
Calculate electrical load, current, power consumption, and circuit requirements. Free electrical load calculator for safe wiring design.
Electrical Power Calculator
Calculate electrical power using voltage, current, or resistance. Enter any two values to find power in watts, plus current and voltage calculations.
Electrical Power Calculator
Calculate electrical power in DC and AC circuits. Supports single-phase and three-phase AC with power factor.
Eor Calculator
Calculate oil recovery efficiency with primary, secondary, and enhanced oil recovery (EOR) methods. Enter field data to determine total oil recovery percentage.
Fan Affinity Law Calculator
Calculate fan performance changes when speed or diameter changes. Enter current fan specs and new parameters to find new flow rate, pressure, and power requi...
Fluid Pressure Calculator
Calculate fluid pressure at any depth using density and height. Enter fluid type and depth to get pressure in pascals, psi, or bar instantly.
Gear Ratio Calculator
Calculate gear ratios for mechanical advantage, speed reduction, or torque multiplication. Enter gear teeth or diameters to find the exact ratio for your pro...
Gear Ratio Calculator
Calculate gear ratios instantly. Enter driver and driven gear teeth counts to find speed reduction, mechanical advantage, and output speed.
Heat Transfer Calculator
Calculate heat transfer rate through conduction, convection, and radiation. Enter surface area, temperature difference, and material properties to find therm...
Load Factor Calculator
Calculate electrical load factor from peak demand and average load. Optimize energy efficiency and reduce utility costs with accurate load factor analysis.
Moment Of Inertia Calculator
Calculate moment of inertia for common shapes like rods, discs, spheres, and rectangles. Enter dimensions and mass to get rotational inertia values.
Motor Efficiency Calculator
Calculate motor efficiency by entering input and output power. See efficiency percentage and power losses for electric motors, pumps, and generators.
Ohm's Law Calculator
Calculate voltage, current, resistance, and power using Ohm's Law. Enter any two values to find the missing electrical quantities instantly.
Ohm's Law Calculator
Calculate voltage, current, resistance, or power using Ohm's Law. Enter any two values to find the missing electrical parameters instantly.
Ohm's Law Power Calculator
Calculate electrical power, voltage, current, and resistance using Ohm's Law. Enter any two values to find the other two. Essential for electrical engineerin...
Pipe Flow Calculator
Calculate pipe flow rate, velocity, and pressure drop. Enter pipe diameter, length, and fluid properties to determine flow characteristics for engineering ap...
Pressure Converter
Convert pressure between PSI, bar, kPa, mmHg, atm, and more. Enter any pressure value and instantly see equivalent measurements in all major units.
Pressure Drop Calculator
Calculate pressure drop in pipes using flow rate, diameter, length, and fluid properties. Get results in PSI, bar, or kPa for water, oil, and gas systems.
Pump Power Calculator
Calculate pump power requirements from flow rate, head pressure, and efficiency. Determine hydraulic, shaft, and electrical power for centrifugal pumps.
Safety Factor Calculator
Calculate safety factors for engineering designs. Enter material strength and applied stress to determine if your design meets safety requirements.
Spring Constant Calculator
Calculate spring constant (k) from force and displacement using Hooke's Law. Enter force in newtons and displacement in meters to find spring stiffness.
Stress Strain Calculator
Calculate stress, strain, and Young's modulus for materials under load. Enter force, area, length change, and original length for engineering analysis.
Structural Load Calculator
Calculate structural loads on beams and columns. Enter load type, weight, and dimensions to determine total load, distributed load per unit length, and safet...
Thermal Expansion Calculator
Calculate thermal expansion of materials with temperature changes. Enter initial length, temperature difference, and material type. Get precise expansion mea...
Torque Calculator
Calculate torque from force and distance. Enter applied force, lever arm length, and angle to get torque in Newton-meters or foot-pounds.
Transformer Ratio Calculator
Calculate transformer turns ratio and voltage/current relationships. Enter primary and secondary values to determine step-up or step-down ratios.
Voltage Divider Calculator
Calculate voltage drop across resistors in a voltage divider circuit. Enter input voltage and resistor values to find output voltage and current flow.
Wire Gauge Calculator
Calculate wire diameter, cross-sectional area, and resistance for AWG and metric wire gauges. Enter gauge number to see diameter in mm and inches plus electr...
Wire Resistance Calculator
Calculate electrical wire resistance instantly. Enter wire material, length, and diameter. See resistance in ohms for any conductor configuration.