Science Calculators
Physics and chemistry formulas, from density and force to half-life and gas laws.
- Molarity CalculatorCalculate molarity (mol/L) from mass of solute, molar mass and solution volume, or the mass needed to make a solution…
- Dilution CalculatorSolve C₁V₁ = C₂V₂ for any missing value to dilute a stock solution to a new concentration.
- Molar Mass CalculatorCalculate the molar mass (molecular weight) of a chemical formula, with parentheses and hydrates, and the percent…
- Ideal Gas Law CalculatorSolve PV = nRT for pressure, volume, moles or temperature, with unit choices and the gas constant shown.
- Half-Life CalculatorCalculate the amount remaining after radioactive decay, the half-life, or the time elapsed, with the decay constant and…
- pH CalculatorCalculate pH from hydrogen ion concentration, pOH or hydroxide concentration, and convert between them at 25 °C.
- Density CalculatorCalculate density from mass and volume, or mass or volume from density, with common material densities and unit…
- Velocity and Acceleration CalculatorSolve the constant-acceleration equations for final velocity, acceleration, distance or time from the known values.
- Kinetic and Potential Energy CalculatorCalculate kinetic energy from mass and speed, gravitational potential energy from mass and height, and the speed from a…
- Projectile Motion CalculatorCalculate the range, maximum height and flight time of a projectile from launch speed, angle and height, with the…
- Force CalculatorSolve Newton’s second law F = ma for force, mass or acceleration, with force in newtons, pounds-force and…
- Momentum CalculatorCalculate linear momentum p = mv, solve for mass or velocity, and find impulse from a change in momentum.
- Wavelength and Frequency CalculatorConvert between wavelength, frequency and photon energy for light and radio waves, or any wave with a given speed.
- Specific Heat CalculatorSolve Q = mcΔT for heat energy, mass, specific heat or temperature change, with common specific heat values.