Science Calculators

Free science and engineering calculators.

All Science Calculators (25)

Ohms Law Calculator

Calculate voltage, current, resistance and power using V=IR.

Speed Distance Time Calculator

Calculate speed, distance or time when you know two values.

Density Calculator

Calculate density, mass or volume using D=M/V.

Half Life Calculator

Calculate radioactive decay, remaining quantity and elapsed time.

Molar Mass Calculator

Calculate the molecular weight of any chemical compound.

Force Calculator

Calculate force, mass or acceleration using Newton second law F=ma.

Kinetic Energy Calculator

Calculate kinetic energy using KE=½mv².

Gravitational Force Calculator

Calculate gravitational force between two masses.

Wavelength Frequency Calculator

Convert between wavelength, frequency and wave speed.

Pressure Calculator

Calculate pressure, force or area using P=F/A.

Power Calculator (Physics)

Calculate power, work or time using P=W/t.

pH Calculator

Calculate pH from hydrogen ion concentration and vice versa.

Percent Yield Calculator

Calculate percent yield for chemistry reactions.

Free Fall Calculator

Calculate fall time, velocity and distance under gravity.

Projectile Motion Calculator

Calculate range, height and time of flight for projectile motion.

Voltage Divider Calculator

Calculate output voltage in a resistor voltage divider circuit.

Capacitor Calculator

Calculate capacitance, charge, and energy stored in a capacitor.

Resistor Color Code Calculator

Decode resistor values from color bands.

Wind Chill Calculator

Calculate the wind chill temperature from air temperature and wind speed.

Heat Index Calculator

Calculate the heat index from temperature and humidity.

Dew Point Calculator

Calculate dew point from temperature and relative humidity.

Mole Calculator

Convert between moles, mass and number of particles.

Molarity Calculator

Calculate molarity, moles and volume for solutions.

Significant Figures Calculator

Round numbers to a specific number of significant figures.

Ideal Gas Law Calculator

Calculate pressure, volume, temperature or moles using PV=nRT.