Science & Engineering Calculators
Use these tools to work through formulas, measurements, and technical relationships without hunting through references.
Ohm's Law Calculator
BasicOhm's Law is evaluated from Voltage, Current and Resistance. The calculation reports Voltage, Current and Resistance.
Beam Deflection Calculator
IntermediateBeam Deflection is evaluated from Load Configuration, Point Load and Distributed Load. The calculation reports Maximum Deflection, Maximum Deflection and L/δ Ratio.
Molar Mass Calculator
BasicMolar Mass is evaluated from Element 1, Atoms of Element 1 and Element 2. The calculation reports Molar Mass, Mass of 1 mol and Mass of 1 mmol.
Newton's Second Law Calculator
BasicNewton's Second Law is evaluated from Force, Mass and Acceleration. The calculation reports Force, Mass and Acceleration.
Wavelength & Frequency Calculator
BasicWavelength & Frequency is evaluated from Frequency, Wavelength and Wave Speed. The calculation reports Frequency, Wavelength and Wave Speed.
Doppler Effect Calculator
IntermediateDoppler Effect is evaluated from Source Frequency, Speed of Sound and Source Velocity. The calculation reports Observed Frequency, Frequency Shift and Observed Wavelength.
Electrical Power Calculator
BasicElectrical Power is evaluated from Voltage, Current and Resistance. The calculation reports Power, Power and Power.
Kinetic Energy Calculator
BasicKinetic Energy is evaluated from Mass, Velocity and Kinetic Energy. The calculation reports Kinetic Energy, Kinetic Energy and Mass.
Molarity Calculator
BasicMolarity is evaluated from Moles of Solute, Volume of Solution and Molarity. The calculation reports Molarity, Moles of Solute and Volume of Solution.
Stress & Strain Calculator
IntermediateStress & Strain is evaluated from Axial Force, Cross-Section Area and Original Length. The calculation reports Normal Stress, Normal Stress and Axial Strain.
Concrete Volume Calculator
BasicConcrete Volume is evaluated from Length, Width and Thickness / Depth. The calculation reports Volume, Volume and Volume with Overage.
Dilution Calculator
BasicDilution is evaluated from Initial Concentration, Initial Volume and Final Concentration. The calculation reports Initial Concentration, Stock Volume to Use and Final Concentration.
Potential Energy Calculator
BasicPotential Energy is evaluated from Mass, Height and Potential Energy. The calculation reports Potential Energy, Potential Energy and Mass.
Resistors in Series/Parallel Calculator
BasicResistors in Series/Parallel is evaluated from Resistor R1, Resistor R2 and Resistor R3. The calculation reports Total Resistance - Series and Total Resistance - Parallel.
pH & pOH Calculator
BasicpH & pOH is evaluated from pH, pOH and [H⁺] concentration. The calculation reports pH, pOH and [H⁺].
Voltage Divider Calculator
BasicVoltage Divider is evaluated from Input Voltage, Resistor R1 and Resistor R2. The calculation reports Output Voltage, Voltage Ratio and R2 for target Vout.
Work, Energy & Power Calculator
BasicWork, Energy & Power is evaluated from Force, Distance and Time. The calculation reports Work, Power and Power.
Current Divider Calculator
BasicCurrent Divider is evaluated from Total Current, Branch Resistance R1 and Branch Resistance R2. The calculation reports Equivalent Parallel Resistance, Voltage Across Parallel Branches and Current Through R1.
Ideal Gas Law Calculator
IntermediateIdeal Gas Law is evaluated from Pressure, Volume and Moles of Gas. The calculation reports Pressure, Pressure and Pressure.
Projectile Motion Calculator
IntermediateProjectile Motion is evaluated from Initial Velocity, Launch Angle and Initial Height. The calculation reports Horizontal Range, Maximum Height and Time of Flight.
Boyle's Law Calculator
BasicBoyle's Law is evaluated from Initial Pressure, Initial Volume and Final Pressure. The calculation reports Initial Pressure, Initial Volume and Final Pressure.
Free Fall Calculator
BasicFree Fall is evaluated from Fall Time, Final Velocity and Distance Fallen. The calculation reports Final Velocity, Final Velocity and Distance Fallen.
Pipe Flow Rate Calculator
IntermediatePipe Flow Rate is evaluated from Pipe Inner Diameter, Fluid Velocity and Flow Rate. The calculation reports Pipe Cross-Section Area, Flow Velocity and Flow Velocity.
Power Factor Calculator
IntermediatePower Factor is evaluated from Real Power, Apparent Power and Power Factor. The calculation reports Power Factor, Phase Angle and Real Power.
Charles's Law Calculator
BasicCharles's Law is evaluated from Initial Volume, Initial Temperature and Final Volume. The calculation reports Initial Volume, Initial Temperature and Initial Temperature.
Pump Power Calculator
IntermediatePump Power is evaluated from Flow Rate, Total Head and Pump Efficiency. The calculation reports Hydraulic Power, Shaft / Brake HP Required and Shaft Power.
Simple Pendulum Calculator
BasicSimple Pendulum is evaluated from Pendulum Length, Period and Frequency. The calculation reports Period, Frequency and Pendulum Length.
Three-Phase Power Calculator
IntermediateThree-Phase Power is evaluated from Line Voltage, Line Current and Power Factor. The calculation reports Real Power, Apparent Power and Reactive Power.
Battery Life Calculator
BasicBattery Life is evaluated from Battery Capacity, Load Current and Efficiency Factor. The calculation reports Estimated Runtime, Estimated Runtime and Battery Energy.
Gear Ratio Calculator
BasicGear Ratio is evaluated from Driver Gear Teeth, Driven Gear Teeth and Input Speed. The calculation reports Gear Ratio, Output Speed and Output Torque.
Stoichiometry Calculator
IntermediateStoichiometry is evaluated from Given Mass, Molar Mass of Given and Stoichiometric Coefficient. The calculation reports Moles of Given, Moles of Wanted and Mass of Wanted.
Torque Calculator
BasicTorque is evaluated from Force, Lever Arm and Angle. The calculation reports Torque, Torque and Force.
Percent Composition Calculator
BasicPercent Composition is evaluated from Atomic Mass - Element 1, Atom Count - Element 1 and Atomic Mass - Element 2. The calculation reports Molar Mass,% Element 1 and% Element 2.
Pressure Calculator
BasicPressure is evaluated from Force, Area and Pressure - to convert. The calculation reports Pressure, Pressure and Pressure.
Reynolds Number Calculator
IntermediateReynolds Number is evaluated from Fluid Velocity, Hydraulic Diameter and Fluid. The calculation reports Reynolds Number, Flow Regime and Darcy Friction Factor.
Buoyancy Calculator
BasicBuoyancy is evaluated from Fluid Density, Submerged Volume and Object Mass. The calculation reports Buoyant Force, Buoyant Force and Mass of Displaced Fluid.
Empirical Formula Calculator
IntermediateEmpirical Formula is evaluated from% or Mass - Element 1, Atomic Mass - Element 1 and% or Mass - Element 2. The calculation reports Moles Element 1, Moles Element 2 and Moles Element 3.
Radiation Dose Calculator
IntermediateRadiation Dose is evaluated from Effective Dose, Effective Dose and Absorbed Dose. The calculation reports Effective Dose, Effective Dose and Effective Dose.
Half-Life Calculator
IntermediateHalf-Life is evaluated from Initial Quantity, Half-Life and Elapsed Time. The calculation reports Remaining Quantity, Amount Decayed and Percent Remaining.
Heat Transfer Calculator
IntermediateHeat Transfer is evaluated from Heat Transfer Mode, Mass and Specific Heat. The calculation reports Heat Transfer, Heat Transfer Rate and Power / Rate.
Thermal Expansion Calculator
BasicThermal Expansion is evaluated from Initial Length, Initial Temperature and Final Temperature. The calculation reports Temperature Change, Change in Length and Change in Length.
Acceleration Calculator
BeginnerAcceleration is evaluated from Initial Velocity, Final Velocity and Time. The calculation reports Acceleration, Net Force and Change in Velocity.
Velocity Calculator
BeginnerVelocity is evaluated from Distance, Time and Initial Velocity - optional. The calculation reports Average Velocity, Final Velocity and Speed in mph.