12 free tools
Science calculators
Solve common physics, electricity, energy, and measurement formulas. Every tool includes its formula, an example, and instant private results.
Density Calculator
Find density from mass and volume in common units.
Open calculatorForce Calculator
Calculate force from mass and acceleration using Newton's second law.
Open calculatorVelocity Calculator
Find velocity from distance traveled and elapsed time.
Open calculatorAcceleration Calculator
Calculate acceleration from change in velocity over time.
Open calculatorMomentum Calculator
Find momentum from mass and velocity for physics problems.
Open calculatorKinetic Energy Calculator
Calculate kinetic energy from mass and velocity.
Open calculatorPotential Energy Calculator
Calculate gravitational potential energy from mass and height.
Open calculatorPressure Calculator
Convert and calculate pressure from force and area.
Open calculatorOhm's Law Calculator
Solve for voltage, current, or resistance in a circuit.
Open calculatorWatt Calculator
Calculate electrical power from voltage and current.
Open calculatorVoltage Drop Calculator
Estimate voltage drop across wire length, gauge, and load.
Open calculatorThermal Expansion Calculator
Estimate material expansion from temperature change and coefficient.
Open calculatorAbout our science calculators
CalculatorDepot tools are designed for quick estimates and learning. Inputs stay in your browser, and each page describes the equation behind its result. Check important decisions with a qualified professional when individual circumstances, regulations, or fees matter.