Science & engineering calculators
Electricity, chemistry, physics and weather. 32 calculators.
- Buoyancy calculatorBuoyant force and float or sink.
- Centripetal force calculatorCentripetal force and acceleration.
- Coulomb’s law calculatorForce between two electric charges.
- Density calculatorDensity, mass or volume from the other two.
- Dew point calculatorDew point from temperature and humidity, or the reverse.
- Dilution calculatorHow much stock and water for a dilution.
- Electricity cost calculatorRunning cost of an appliance per day, month and year.
- Force calculator (F = ma)Newton’s second law, solved any way.
- Free fall calculatorFall time and impact speed.
- Heat index calculatorFeels-like temperature in humidity, and risk level.
- Horsepower calculatorHorsepower from torque and RPM, or from drag-strip times.
- Ideal gas law calculatorSolve PV = nRT.
- Kinetic energy calculatorKinetic energy from mass and speed.
- Molarity calculatorMolarity, or the mass to weigh out for a solution.
- Molecular weight calculatorMolar mass and composition from a formula.
- Momentum and impulse calculatorMomentum, impulse and average force.
- Ohm’s law calculatorVolts, amps, ohms and watts from any two.
- Pendulum calculatorPendulum period from length, or the reverse.
- pH calculatorpH ↔ pOH ↔ ion concentrations.
- Potential energy calculatorGravitational potential energy mgh.
- Projectile motion calculatorRange, peak height and flight time.
- Resistor color code calculatorResistance and tolerance from color bands.
- Snell’s law calculatorRefraction angle and critical angle.
- Speed calculatorSpeed, distance or time from the other two.
- Speed of sound calculatorSpeed of sound by temperature, and lightning distance.
- Spring force calculatorSpring force, stretch and stored energy.
- Thin lens calculatorImage distance and magnification of a lens.
- Voltage drop calculatorVoltage drop and percent for a wire run.
- Wavelength, frequency and photon energy calculatorWavelength ↔ frequency ↔ photon energy.
- Weight calculatorMass to weight in newtons, on Earth and other worlds.
- Wind chill calculatorFeels-like temperature in wind, and frostbite risk.
- Work and power calculatorWork done and power.