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