Science & Engineering
Physics, chemistry, electrical and math. Every tool is free, works in your browser, and shows its method.
Most used first
All Science & Engineering calculators
Minecraft Circle Generator (Block Placement Chart)
Grams to Moles Calculator (n = m / M)
Velocity Solver (Three Kinematics Formulas)
Acceleration Calculator (Four Modes)
Watt Calculator (Power from Volts, Amps, Ohms)
Dog Size Calculator (Adult Weight from Puppy Age)
Density, Mass, and Volume Solver
Power-to-Weight Ratio Calculator (Vehicles & Cyclists)
P-Value Calculator (z-test and t-test)
Dog Pregnancy Calculator (whelping date)
Critical Value Calculator (z, t, Chi-Square, F)
Mole Calculator (mass, moles, particles)
Kg to Newtons Converter (weight force)
Wet Bulb Temperature (Heat Stress) Calculator
Potential Energy Calculator (Gravitational & Elastic)
T-Statistic Calculator (One-Sample t-Test)
Wave Speed Calculator (v = f x lambda)
K/D Ratio Calculator (Kills, Deaths, KDA)
Standard Deviation (and Variance) Calculator
Dilution Ratio Calculator (Concentrate to Water)
Coin Flip Probability Calculator (Fair or Biased)
Wavelength Calculator (λ = v / f)
Tension Calculator (Rope & Cable Force in N, kgf, lbf)
Specific Heat Calculator (Q = mcΔT)
Dice Probability Calculator (Exact Odds)
Cat Age Calculator (Human-Year Equivalent)
Air Density Calculator (Pressure, Temp, Humidity)
Degrees of Freedom Calculator (t, Chi-Square, ANOVA)
Probability Calculator (Union, Intersection, Conditional)
Relative Humidity (Magnus Equation)
Flow Rate Calculator (Volume/Time or Pipe Velocity)
Dice Average Calculator (NdS + Modifier)
Percent Yield Calculator (Actual vs Theoretical)
Earth Curvature Drop & Horizon Distance
Median Calculator (Plus Mean, Mode, Range)
Specific Gravity (with API & Baume)
Compression Ratio Calculator (File Size)
Empirical Rule Calculator (68-95-99.7)
Concentration (Molarity, Molality, % & ppm)
Water Density vs Temperature
Least to Greatest Calculator (Sort & Order Numbers)
Chemical Name Lookup (Formula ↔ Name)
Relative & Percent Error
Acceleration Calculator (Newton's Second Law)
Partial Pressure Calculator (Dalton & Ideal Gas)
Wire Resistance (Gauge, Length & Temperature)
STP Molar Volume (Ideal Gas at Standard Conditions)
Capacitive Reactance (Xc) Calculator
Doppler Effect Calculator (Sound and Light)
Normal Force Calculator (Flat, Incline, Elevator)
Magnitude of Acceleration Calculator (Vector Length)
Implied Probability from Betting Odds
Arrow Speed Calculator (FPS from IBO Rating)
Sound Wavelength Calculator (Lambda = v / f)
Watts to Amps Converter (DC & AC)
DC Wire Gauge (AWG) Selector
Drag Equation Calculator (Aerodynamic Drag Force)
Moles to Atoms Calculator (Avogadro's Number)
Net Ionic Equation (Spectators Removed)
Electrical Power Solver (Ohm & Joule Laws)
Hypergeometric Distribution Calculator (Without Replacement)
Acceleration Due to Gravity (Planet, Altitude, Latitude)
Molar Mass (Molecular Weight from Formula)
Percent Solution Calculator (% w/w, % w/v, % v/v)
Empirical Formula from Mass Percent
Langmuir Adsorption Isotherm (theta, qe, R_L)
Percent Ionic Character of a Bond
Bleach Dilution for Disinfection
Chemical Oxygen Demand (COD) by Titration
Diffusion Coefficient Calculator (Stokes-Einstein & Graham)
Osmotic Pressure Calculator (Pi = iMRT)
Lattice Energy Calculator (Born-Haber & Kapustinskii)
Buffer pH (Henderson-Hasselbalch)
Buffer Capacity (Van Slyke Beta)
Isoelectric Point (pI from pKa)
Cubic Unit Cell Calculator (SC, BCC, FCC)
Atom Economy Calculator (Green Chemistry)
Half-Life Decay Calculator
Hydraulic Retention Time (HRT = V/Q)
Double Bond Equivalent (Degree of Unsaturation) Calculator
Electrolysis Calculator (Faraday's Law)
Liquid Ethylene Density vs Temperature
Molar Mass Calculator (Chemical Formula)
Normality Calculator (Eq/L)
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