Science Calculators

Physics, chemistry and engineering formulas. 44 tools, all free.

Motion5

Velocity Acceleration Free Fall Projectile Range Speed, Distance, Time

Energy & Forces8

Kinetic Energy Gravitational Potential Energy Force Calculator (F = ma)Momentum Work Calculator (W = Fd)Power Calculator (P = W/t)Heat Energy (Q = mcΔT)Efficiency

Matter2

Density Pressure Calculator (P = F/A)

Electricity5

Ohm's Law Electric Power (P = VI)Resistors in Series & Parallel Voltage Divider Capacitor Energy

Waves4

Wavelength & Frequency Sound Level (Decibels)Doppler Effect (Sound)Frequency & Period

Chemistry7

Molarity Moles from Mass Ideal Gas Law (PV = nRT)pH Dilution Calculator (C₁V₁ = C₂V₂)Half-Life Percent Yield

Astronomy3

Weight on Other Planets Light-Year Converter Escape Velocity

Additional Tools10

Linear Thermal Expansion Specific Heat Temperature Change Latent Heat Energy Buoyancy Force Spring Stored Energy Young’s Modulus Strain Wave Period from Frequency Photon Energy from Frequency Ideal Transformer Voltage Resistor Divider Output