Science Tools · 9 tools
Physics, chemistry and electronics calculators: Ohm’s law, resistors, projectile motion, ideal gas law, molarity, pH, molar mass, half-life and more for students, teachers and hobbyists.
- Ohm’s Law Calculator (Voltage, Current, Resistance, Power)Find voltage, current, resistance and power
- Resistor Color Code Calculator (4-Band)Read the value of a 4-band resistor
- Projectile Motion Calculator (Range, Height, Time)Range, max height and flight time of a projectile
- Ideal Gas Law Calculator (PV = nRT)Solve for pressure, volume, moles or temperature
- Molarity Calculator (Moles per Litre)Molarity from mass, molar mass and volume
- pH Calculator (pH, pOH, H+ and OH-)Convert between pH, pOH, [H+] and [OH-]
- Molar Mass Calculator (Chemical Formula)Molar mass of any chemical formula
- Half-Life Calculator (Radioactive Decay)Amount left after radioactive decay
- Force Calculator (F = m × a, Newton’s Second Law)Solve force, mass or acceleration (F = ma)