Science Calculators

Free online Science calculators and tools.

Average Speed from Distance and Time CalculatorCalculates average speed from a distance traveled and the time taken, shown in multiple common speed units.Centripetal Force CalculatorCalculate the centripetal force needed to keep an object moving in a circular path.Density CalculatorCalculates the density of an object or substance from its mass and volume.Escape Velocity CalculatorCalculate the escape velocity needed to break free of a celestial body’s gravity from its mass and radius.Free Fall Time and Velocity CalculatorCalculates the time it takes an object to fall a given height and its velocity at impact, ignoring air resistance.Gravitational Potential Energy CalculatorCalculates the gravitational potential energy of an object at a given height above a reference point.Half-Life Decay CalculatorCalculate the remaining quantity of a substance after a given time, based on its half-life.Ideal Gas Law Calculator (PV = nRT)Solve for pressure, volume, moles, or temperature using the ideal gas law.Kinetic Energy CalculatorCalculates the kinetic energy of a moving object from its mass and velocity.Molar Mass to Moles CalculatorCalculates the number of moles of a substance from its mass and molar mass.Molarity Dilution CalculatorCalculate the resulting concentration after diluting a solution to a new volume, using C1V1 = C2V2.Momentum and Impulse CalculatorCalculate momentum, impulse, and the resulting change in velocity from a force applied over time.Newton's Second Law Force CalculatorCalculates the net force required to produce a given acceleration on a mass, using F = ma.Ohm's Law CalculatorCalculate current and power from voltage and resistance using Ohm's Law.Specific Gravity CalculatorCalculate the specific gravity of a substance relative to a reference density (typically water).Specific Heat Energy CalculatorCalculates the heat energy required to change a substance's temperature, using its mass and specific heat capacity.Terminal Velocity CalculatorEstimate the terminal velocity of a falling object based on mass, drag, and area.Vertical Projectile Max Height CalculatorCalculates the maximum height and time to peak for an object launched straight up, ignoring air resistance.Wave Speed, Frequency and Wavelength CalculatorCalculates wave speed from a wave's frequency and wavelength using the fundamental wave equation.Work Done Calculator (Physics)Calculate the mechanical work done by a constant force over a distance.
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