All 500 Science & Math Calculators
Search by what you want to find — try “how far will a ball travel”, “how acidic is it”, “chance of rolling a 7” — or browse every calculator below.
Physics
🚀 Mechanics & Motion 46
Newton's Second Law (F = ma) CalculatorWeight on Other Planets CalculatorAverage Speed CalculatorAcceleration CalculatorKinematic Equations (SUVAT) CalculatorFree Fall CalculatorProjectile Motion CalculatorLaunch Angle for a Target RangeCentripetal Force CalculatorRPM to Angular Velocity CalculatorKinetic Energy CalculatorGravitational Potential Energy CalculatorWork Done by a Force CalculatorMechanical Power CalculatorMomentum CalculatorImpulse and Change in Velocity CalculatorElastic Collision Calculator (1D)Perfectly Inelastic Collision CalculatorHooke's Law Spring CalculatorSpring-Mass Oscillation Period CalculatorSimple Pendulum Period CalculatorFriction Force CalculatorInclined Plane Acceleration CalculatorTorque CalculatorMoment of Inertia CalculatorAngular Momentum and Rotational Energy CalculatorRotational Kinematics CalculatorNewton's Law of Gravitation CalculatorDensity CalculatorPressure CalculatorTerminal Velocity CalculatorAerodynamic Drag Force CalculatorLever Balance (Law of the Lever) CalculatorPulley System CalculatorCenter of Mass Calculator (2 Masses)Banked Curve Angle CalculatorVector Addition Calculator (2D)Car Stopping Distance CalculatorGear Ratio CalculatorEfficiency CalculatorCoefficient of Restitution (Bounce) CalculatorSimple Harmonic Motion CalculatorWork-Energy Theorem CalculatorRolling Down a Ramp CalculatorPace and Speed ConverterSpring Constant Combination Calculator
🔥 Thermodynamics & Fluids 35
Specific Heat Capacity CalculatorLatent Heat CalculatorMixing Temperature (Calorimetry) CalculatorTemperature ConverterIdeal Gas Law (PV = nRT) CalculatorCombined Gas Law CalculatorBoyle's Law CalculatorCharles's Law CalculatorGas Density CalculatorThermal Expansion CalculatorHeat Conduction Rate CalculatorRadiation Power (Stefan–Boltzmann) CalculatorCarnot Efficiency CalculatorHeat Engine Work and Heat Rejected CalculatorHeat Pump and Refrigerator COP CalculatorEntropy Change CalculatorIsothermal Gas Work CalculatorAdiabatic Process CalculatorFirst Law of Thermodynamics CalculatorReynolds Number CalculatorBernoulli Equation CalculatorContinuity Equation CalculatorHydrostatic Pressure CalculatorBuoyancy and Flotation CalculatorVolumetric Flow Rate CalculatorPoiseuille Flow CalculatorTorricelli's Law CalculatorHydraulic Press CalculatorDew Point CalculatorHeat Index CalculatorWind Chill CalculatorTime to Boil Water CalculatorThermal Resistance (R-Value) CalculatorSpecific Gravity CalculatorGas Kinetic Speed Calculator
⚡ Electricity & Magnetism 42
Ohm's Law CalculatorElectric Power CalculatorElectricity Cost CalculatorResistors in Series CalculatorResistors in Parallel CalculatorVoltage Divider CalculatorCurrent Divider CalculatorLED Resistor CalculatorCapacitor Energy CalculatorCapacitors in Series and Parallel CalculatorRC Time Constant CalculatorRL Time Constant CalculatorLC Resonant Frequency CalculatorInductive and Capacitive Reactance CalculatorSeries RLC Impedance CalculatorCoulomb's Law CalculatorElectric Field of a Point Charge CalculatorParallel Plate Capacitor CalculatorMagnetic Field of a Straight Wire CalculatorSolenoid Magnetic Field CalculatorMagnetic Force on a Moving Charge CalculatorCyclotron Radius CalculatorFaraday's Law (Induced EMF) CalculatorTransformer CalculatorAC Voltage RMS and Peak CalculatorPower Factor CalculatorThree-Phase Power CalculatorBattery Life CalculatorWire Resistance CalculatorResistor Tolerance Range CalculatorWheatstone Bridge CalculatorTwo-Source Node Voltage CalculatorElectron Drift Velocity CalculatorJoule Heating CalculatorRC Filter Cutoff Frequency CalculatorSkin Depth CalculatorElectric Potential Energy CalculatorInductor Energy CalculatorSolenoid Inductance CalculatorMass Spectrometer Radius CalculatorCharge, Current and Time CalculatorCapacitor Dielectric Breakdown Voltage Calculator
🌈 Waves, Sound & Optics 36
Wave Speed CalculatorWavelength to Frequency CalculatorSpeed of Sound CalculatorEcho and Sonar Distance CalculatorLightning Distance CalculatorDoppler Effect CalculatorSound Intensity Level (Decibel) CalculatorAdding Decibels CalculatorSound Level at Distance CalculatorVibrating String Frequency CalculatorOrgan Pipe Resonance CalculatorBeat Frequency CalculatorSnell's Law Refraction CalculatorCritical Angle and Total Internal Reflection CalculatorSpeed of Light in a Medium CalculatorThin Lens Equation CalculatorMirror Equation CalculatorLens Power (Diopters) CalculatorLensmaker's Equation CalculatorMicroscope and Telescope Magnification CalculatorSingle Slit Diffraction CalculatorDouble-Slit Interference CalculatorDiffraction Grating CalculatorThin Film Interference Thickness CalculatorAngular Resolution (Rayleigh Criterion) CalculatorPolarization (Malus's Law) CalculatorBrewster's Angle CalculatorLight Intensity and Illuminance CalculatorPhoton Energy CalculatorWien's Law Peak Wavelength CalculatorAngular Size CalculatorWave Energy and Intensity CalculatorDamped Oscillator Q Factor CalculatorSound Power and Intensity CalculatorFrequency of Musical Notes CalculatorFiber Optic Numerical Aperture Calculator
🪐 Modern Physics & Astronomy 33
E = mc² Mass-Energy CalculatorTime Dilation CalculatorLength Contraction CalculatorRelativistic Kinetic Energy CalculatorRelativistic Velocity Addition CalculatorPhotoelectric Effect Calculatorde Broglie Wavelength CalculatorHeisenberg Uncertainty CalculatorHydrogen Atom Energy Levels (Bohr Model) CalculatorParticle in a Box Energy CalculatorRadioactive Decay CalculatorHalf-Life from Measurements CalculatorCarbon-14 Dating CalculatorRadioactivity Activity CalculatorRadiation Dose CalculatorNuclear Binding Energy CalculatorFusion Energy Release CalculatorOrbital Velocity CalculatorEscape Velocity CalculatorKepler's Third Law CalculatorSchwarzschild Radius (Black Hole) CalculatorSurface Gravity of a Planet CalculatorLight Travel Time CalculatorLight-Year ConverterStellar Parallax Distance CalculatorStellar Luminosity CalculatorDistance Modulus (Star Magnitude) CalculatorHubble's Law CalculatorRedshift CalculatorTidal Force CalculatorSynodic Period CalculatorTsiolkovsky Rocket Equation CalculatorHill Sphere Radius Calculator
Chemistry
⚗️ General Chemistry 36
Molar Mass CalculatorGrams to Moles CalculatorMoles to Grams CalculatorAvogadro's Number Particle CalculatorPercent Composition by Mass CalculatorEmpirical Formula Ratio CalculatorLimiting Reagent CalculatorTheoretical Yield CalculatorPercent Yield CalculatorStoichiometry Mass-to-Mass CalculatorGas Volume at STP CalculatorMolarity of a Pure Liquid CalculatorMolar Mass from Gas Density CalculatorGraham's Law of Effusion CalculatorDalton's Law of Partial Pressures CalculatorVan der Waals Real Gas CalculatorAverage Atomic Mass CalculatorElectron Capacity of Shells CalculatorRydberg Formula CalculatorReaction Enthalpy from Bond Energies CalculatorHess's Law Enthalpy CalculatorStandard Enthalpy of Reaction CalculatorGibbs Free Energy CalculatorEquilibrium Constant from ΔG CalculatorCalorimeter Heat CalculatorDilution Calculator (C1V1 = C2V2)Atom Economy CalculatorPPM to Percent and mg/L ConverterMass Percent Concentration CalculatorHydrate Water Percentage CalculatorFuel Combustion Energy CalculatorCO₂ from Burning Fuel CalculatorBond Polarity (Electronegativity Difference) CalculatorCoulomb Lattice Energy Estimate CalculatorGas Diffusion Time Ratio CalculatorIsotope Neutron Count Calculator
🧪 Solutions, Acids & Kinetics 37
Molarity CalculatorMolarity from Mass CalculatorMass to Weigh for a Solution CalculatorMolality CalculatorMole Fraction CalculatorNormality CalculatorpH CalculatorpH from Hydroxide Concentration CalculatorStrong Acid or Base pH CalculatorWeak Acid pH CalculatorWeak Base pH CalculatorBuffer pH (Henderson–Hasselbalch) CalculatorpKa and Ka ConverterTitration CalculatorStrong Acid–Strong Base Titration pH CalculatorSolubility Product (Ksp) CalculatorCommon Ion Effect Solubility CalculatorOsmotic Pressure CalculatorBoiling Point Elevation CalculatorFreezing Point Depression CalculatorRaoult's Law CalculatorHenry's Law Gas Solubility CalculatorReaction Rate Law CalculatorFirst-Order Reaction CalculatorSecond-Order Reaction CalculatorArrhenius Equation CalculatorActivation Energy from Two Rates CalculatorEquilibrium Constant (Kc) CalculatorKp and Kc ConverterNernst Equation CalculatorElectrolysis (Faraday's Law) CalculatorStandard Cell Potential CalculatorIonic Strength CalculatorBeer–Lambert Law CalculatorAbsorbance and Transmittance ConverterSerial Dilution CalculatorMixing Acid and Base Calculator
Biology
🧬 Genetics & Molecular Biology 31
DNA GC Content CalculatorReverse Complement CalculatorDNA Base Composition CalculatorDNA Concentration from A260 CalculatorDNA Copy Number CalculatorPrimer Melting Temperature CalculatorPCR Master Mix CalculatorPCR Amplification CalculatorLigation Insert:Vector Ratio CalculatorPunnett Square Calculator (Monohybrid)Dihybrid Cross Phenotype CalculatorHardy–Weinberg Equilibrium CalculatorCarrier Frequency from Disease Incidence CalculatorAllele Frequency CalculatorChi-Square Test for Genetics CalculatorGenetic Map Distance CalculatorMutation Rate CalculatorProtein Molecular Weight from Residues CalculatorGene Length from Protein CalculatorBacterial Growth CalculatorDoubling Time CalculatorCell Counting (Hemocytometer) CalculatorOD600 to Cell Density CalculatorLab Buffer Preparation CalculatorProtein Sample Loading CalculatorEnzyme Activity CalculatorTranscription and Translation Product CalculatorMicroscope Total Magnification CalculatorGel Molecular Weight EstimatorOsmolarity CalculatorBlood Type Inheritance Probability Calculator
🌿 Ecology & Evolution 26
Exponential Population Growth CalculatorLogistic Population Growth CalculatorPopulation Density CalculatorMark–Recapture Population EstimatorPopulation Change Rate CalculatorSimpson's Diversity Index CalculatorShannon Diversity Index CalculatorSpecies–Area Relationship CalculatorCarrying Capacity from Resources CalculatorEcological Efficiency (10% Rule) CalculatorLotka–Volterra Predator–Prey Equilibrium CalculatorSelection Allele Frequency Change CalculatorGenetic Drift Variance CalculatorInbreeding Coefficient CalculatorExpected Heterozygosity CalculatorMichaelis–Menten Enzyme Kinetics CalculatorLineweaver–Burk Plot CalculatorCompetitive Inhibition CalculatorQ10 Temperature Coefficient CalculatorPhotosynthesis Glucose and Oxygen Yield CalculatorCellular Respiration ATP Yield CalculatorRespiratory Quotient CalculatorAllometric Scaling (Kleiber's Law) CalculatorCell Surface Area to Volume Ratio CalculatorLeaf Area Index CalculatorTranspiration Rate Calculator
🫀 Human Body & Health 28
BMI CalculatorBMR Calculator (Mifflin–St Jeor)Weight Change Calorie CalculatorBody Surface Area CalculatorIdeal Body Weight CalculatorBody Fat Percentage Calculator (Navy Method)Waist-to-Hip Ratio CalculatorHeart Rate Zones CalculatorCardiac Output CalculatorMean Arterial Pressure CalculatorMinute Ventilation CalculatorPredicted Lung Capacity CalculatorDaily Water Intake CalculatorSweat Rate CalculatorWeight-Based Dose CalculatorIV Drip Rate CalculatorDrug Elimination CalculatorBlood Alcohol Content (Widmark) CalculatorSleep Cycle CalculatorReaction Time Distance CalculatorVO₂ Max Calculator (Cooper Test)Calories Burned Running CalculatorCalories Burned by Activity (MET) CalculatorDaily Protein CalculatorMacronutrient CalculatorPregnancy Gestation CalculatorVisual Acuity ConverterSafe Noise Exposure Time Calculator
Mathematics
∑ Algebra & Calculus 36
Percentage CalculatorPercent Increase and Decrease CalculatorRatio SimplifierGCD and LCM CalculatorDivisor Count CalculatorQuadratic Equation SolverLinear Equation Solver (ax + b = c)System of Two Linear Equations SolverSlope Between Two Points CalculatorExponent and Root CalculatorLogarithm CalculatorScientific Notation ConverterCompound Interest CalculatorLoan Payment CalculatorRule of 72 Doubling Time CalculatorArithmetic Sequence CalculatorGeometric Sequence CalculatorFactorial CalculatorPermutations and Combinations CalculatorBinomial Theorem Coefficient CalculatorComplex Number CalculatorComplex Number Multiplication CalculatorDistance and Midpoint on a Number LineDerivative of a Polynomial at a Point CalculatorDefinite Integral of a Polynomial CalculatorEuler's Number from Compound Growth CalculatorNumerical Integration (Trapezoid) of sin(x) CalculatorNewton's Method Square Root CalculatorPythagorean Theorem CalculatorLinear Inequality Solver2×2 Matrix Determinant and Inverse CalculatorVector Dot and Cross Product CalculatorFibonacci Number and Golden Ratio CalculatorModulo and Remainder CalculatorDecimal to Binary, Octal and Hex ConverterSignificant Figures Calculator
📐 Geometry & Trigonometry 36
Circle CalculatorCircle Sector and Arc CalculatorTriangle Area Calculator (Heron)Triangle Angles from Sides CalculatorLaw of Sines CalculatorLaw of Cosines CalculatorRight Triangle SolverTrigonometric Functions CalculatorInverse Trigonometric Functions CalculatorDegrees to Radians ConverterRectangle CalculatorTrapezoid Area CalculatorParallelogram Area CalculatorRegular Polygon CalculatorEllipse CalculatorSphere CalculatorCylinder CalculatorCone CalculatorRectangular Prism (Box) CalculatorPyramid Volume CalculatorTorus (Donut) CalculatorCone Frustum CalculatorSpherical Cap Volume CalculatorDistance and Midpoint Calculator (2D)Distance Between Two 3D Points CalculatorCircle Equation from Three Points CalculatorTriangle Area from Coordinates CalculatorSimilar Triangles Scale CalculatorHeight from Shadow CalculatorSlope, Grade and Angle ConverterChord and Segment CalculatorPolar to Cartesian ConverterTriangle Inradius and Circumradius CalculatorGolden Ratio CalculatorPipe and Tube Volume CalculatorHorizontal Cylindrical Tank Volume Calculator
📊 Statistics & Probability 38
Mean, Median and Mode CalculatorStandard Deviation CalculatorQuartiles and IQR CalculatorPercentile CalculatorZ-Score CalculatorNormal Distribution Probability CalculatorInverse Normal (Percentile to Value) CalculatorBinomial Probability CalculatorCumulative Binomial Probability CalculatorPoisson Probability CalculatorGeometric Distribution CalculatorHypergeometric Probability CalculatorProbability of Events CalculatorConditional Probability and Bayes CalculatorExpected Value CalculatorConfidence Interval for a Mean CalculatorConfidence Interval for a Proportion CalculatorSample Size CalculatorOne-Sample t-Test CalculatorTwo-Sample t-Test (Welch) CalculatorCorrelation Coefficient CalculatorLinear Regression CalculatorChi-Square for a 2×2 Table CalculatorCoefficient of Variation CalculatorWeighted Average (GPA) CalculatorMoving Average CalculatorGeometric and Harmonic Mean CalculatorRange, Midrange and Outliers CalculatorStandard Error CalculatorCohen's d Effect Size CalculatorStatistical Power Calculator (Two Means)Dice Probability CalculatorBirthday Problem CalculatorOdds and Probability ConverterRelative Risk and Odds Ratio CalculatorMargin of Error from Percent CalculatorCoefficient of Determination CalculatorFinite Population Correction Calculator
Earth & Environment
🌍 Earth & Environmental Science 40
Earthquake Energy CalculatorEarthquake Magnitude Comparison CalculatorEarthquake Distance from S–P Time CalculatorRadiometric Rock Age CalculatorRock Porosity CalculatorDarcy's Law Groundwater Flow CalculatorTemperature at Altitude CalculatorAtmospheric Pressure at Altitude CalculatorBoiling Point of Water at Altitude CalculatorWind Turbine Power CalculatorSolar Panel Output CalculatorSolar Irradiance on a Tilted Surface CalculatorPlanetary Equilibrium Temperature CalculatorCO₂ Radiative Forcing CalculatorCar Carbon Footprint CalculatorTree Carbon Storage CalculatorRainfall Runoff Volume CalculatorEvapotranspiration (Hargreaves) CalculatorWater Hardness CalculatorDissolved Oxygen Saturation CalculatorBiochemical Oxygen Demand CalculatorSecchi Depth Light Extinction CalculatorStream Discharge CalculatorManning Channel Velocity CalculatorSoil Moisture Content CalculatorSoil Bulk Density CalculatorFertilizer Application CalculatorCompost Carbon:Nitrogen Ratio CalculatorEnergy Unit Converter (Joules, kWh, BTU, kcal)Pressure Unit ConverterLength Unit ConverterMass Unit ConverterVolume Unit ConverterSpeed Unit ConverterFuel Economy ConverterTime Duration ConverterDigital Storage ConverterSea Level Rise from Ice Melt CalculatorTsunami Wave Speed CalculatorDay Length (Daylight Hours) Calculator