Engineering Calculators
Engineering analysis tools for electrical Ohm's law, mechanical torque, structural beam deflection, hydraulic flow, thermodynamics, and signal processing.
Resistor Color Code Band Calculator
Decode 4-band and 5-band electronic resistor color stripes into Ohms....
Electrical Wire Size & Voltage Drop Calculator
Determine appropriate copper/aluminum AWG wire gauge to limit voltage drop under 3%....
Air Compressor CFM & Tank Sizing Calculator
Calculate cubic feet per minute (CFM) output for pneumatic tools....
Mechanical Torque & Horsepower Calculator
Convert torque (lb-ft or Nm) and RPM into shaft horsepower....
Thermal Heat Loss Calculator (BTU)
Determine required HVAC heating/cooling BTUs based on room R-values....
Electric Power & Kilowatt Hour (kWh) Calculator
Compute power consumption, amperage load, and hourly running cost....
Hydraulic Cylinder Force Calculator
Calculate extension and retraction force in pounds or Newtons based on PSI....
Ohm's Law Calculator (Voltage, Current, Resistance)
Calculate electrical voltage, amperage, resistance, and wattage with V = I × R....
Capacitor Energy & Farad Calculator
Calculate stored Joules of electrical energy in capacitive circuits....
Structural Beam Deflection Calculator
Calculate maximum center deflection and bending moment for simple beams....