Gear Ratio Calculator
Calculate gear ratios, mechanical advantage, and speed relationships.
Pulley System Calculator
Calculate mechanical advantage for pulley systems.
Lever Calculator
Calculate forces and distances using the principle of moments.
Spring Calculator
Calculate spring force, displacement, and constant using F = kx.
Beam Calculator
Calculate bending moment and deflection for simply supported beams.
Stress Calculator
Calculate stress from force and area.
Torque Calculator
Calculate torque using T = F x r x sin(angle).
RPM Calculator
Calculate rotational speed and linear velocity.
Horsepower Calculator
Calculate horsepower from torque and RPM.
Efficiency Calculator
Calculate system efficiency from power values.
Moment of Inertia Calculator
Calculate the second moment of area for common cross-sections.
Heat Transfer Calculator
Calculate heat transfer for conduction, convection, and radiation.
Fluid Flow Calculator
Calculate pipe flow parameters including velocity and Reynolds number.
Bolt Torque Calculator
Calculate bolt tightening torque and preload force.
Ohm's Law Calculator
Calculate voltage, current, resistance, and power. Enter any two values.
Voltage Divider Calculator
Calculate output voltage for resistive voltage dividers.
Capacitor Calculator
Calculate capacitance, reactance, and RC time constant.
Inductor Calculator
Calculate inductance, reactance, and RL time constant.
Resistor Color Code Decoder
Decode 4-band and 5-band resistor color codes.
Wire Gauge (AWG) Calculator
Look up wire specifications by AWG gauge.
Antenna Length Calculator
Calculate optimal antenna lengths for various frequencies.
Signal Strength Calculator
Convert between signal strength units and calculate path loss.