Science & Physics Calculators
Physics and chemistry calculators for forces, motion, electricity, half-life and solutions — built on high-precision math you can trust.
View all calculatorsOhm's Law
V = I × R visualized
Kinematics Calculator
Motion equations visualized
Density Calculator
Mass, volume, density
Newton's Second Law
F = m × a visualized
Half-Life Calculator
Radioactive decay curve
Ideal Gas Law
PV = nRT with piston visual
Resistor Color Code
Decode resistor color bands and reverse lookup standard color codes
Voltage Divider
Solve resistor divider voltage, input, and resistor values
RC Time Constant
Calculate RC time constants and charge or discharge curves
Projectile Motion Calculator
Calculate projectile flight time, range, height, and velocity components
Work Energy Power Calculator
Calculate work, kinetic energy, potential energy, and power
Waves Calculator
Solve wave speed, frequency, wavelength, and period
Molarity Calculator
Calculate molarity, moles, or volume from the concentration formula C = n/V
Dilution Calculator
Solve dilution problems with C₁V₁ = C₂V₂ for any unknown variable
Molar Mass Calculator
Calculate molar mass from a molecular formula like H2O, NaCl, or C6H12O6
Simple Harmonic Motion
Position, velocity, and acceleration of an oscillator
Damped Oscillation
Under-, critically-, and over-damped motion
Wave Superposition
Add waves to see interference and beats
Beat Frequency
Beats produced by two close frequencies
Pendulum
Period of a simple pendulum
Doppler Effect
Frequency shift for a moving source or observer
Snell's Law
Refraction angle and critical angle with a ray diagram
Thin Lens & Mirror
Image distance, magnification, and ray diagram
Gravitational Force
Newton's law of universal gravitation
Orbital & Escape Velocity
Orbital period, circular velocity, and escape velocity
pH / pOH Calculator
pH, pOH, [H⁺], and [OH⁻] with an acidity scale
Chemical Equation Balancer
Balance chemical reactions via linear algebra