Science tools
Science and Engineering Calculators
Practical tools for physics, chemistry, units and technical formulas, designed for quick checking and repeat use.
10 calculators
Check common science and engineering formulas with visible units, assumptions and result notes.
ScienceUnit ConversionConvert common length, weight, temperature and volume units with instant results.ScienceOhm's LawCalculate voltage, current, resistance or power from any two known electrical values.ScienceSpeed Distance TimeCalculate speed, distance or time when you know the other two values.ScienceDensityCalculate density, mass or volume when you know the other two values.ScienceForceCalculate force from mass and acceleration using Newton's second law.SciencePressureCalculate pressure from force and area.ScienceMolarityCalculate molarity from moles of solute and solution volume.ScienceDilutionCalculate stock solution volume using C1V1 equals C2V2.SciencepHConvert hydrogen ion concentration to pH, or pH to hydrogen ion concentration.ScienceEnergyCalculate kinetic, electrical or heat energy using common formulas.