Science & Physics Calculators

Physics and chemistry calculators for forces, motion, electricity, half-life and solutions — built on high-precision math you can trust.

V = I × R visualized

Motion equations visualized

Mass, volume, density

F = m × a visualized

Radioactive decay curve

PV = nRT with piston visual

Decode resistor color bands and reverse lookup standard color codes

Solve resistor divider voltage, input, and resistor values

Calculate RC time constants and charge or discharge curves

Calculate projectile flight time, range, height, and velocity components

Calculate work, kinetic energy, potential energy, and power

Solve wave speed, frequency, wavelength, and period

Calculate molarity, moles, or volume from the concentration formula C = n/V

Solve dilution problems with C₁V₁ = C₂V₂ for any unknown variable

Calculate molar mass from a molecular formula like H2O, NaCl, or C6H12O6