Physics, Chemistry & Astronomy
307 tools · page 2 of 6
- Age on Other Planets Calculator Enter your date of birth and instantly find out your age on other planets. Because each planet takes a different amount of time to orbit the Sun, your age in Mercury, Venus, Mars, and Jupiter years differs from your Earth age.
- Destination Point Calculator Calculate the destination latitude and longitude from a start point, a bearing and a distance.
- Hooke's Law Calculator Calculate the spring force and stored elastic potential energy from spring constant and displacement.
- Photon Energy Calculator Calculate the energy and frequency of a photon from its wavelength (E = hc/λ).
- Raoult's Law Calculator Calculate the vapor pressure of a solvent above a solution from its mole fraction and pure vapor pressure.
- Refrigerator COP Calculator Calculate the Carnot coefficient of performance of a refrigerator from the reservoir temperatures.
- Inclined Plane Calculator Calculate the parallel and normal force components of a mass resting on an inclined plane.
- Osmotic Pressure Calculator Calculate the osmotic pressure of a solution from its molarity, temperature and van't Hoff factor.
- Percent Yield Calculator Calculate reaction percent yield from the actual and theoretical yields.
- Beat Frequency Calculator Calculate the beat frequency produced by two slightly different frequencies interfering.
- Drag Force Calculator Calculate aerodynamic drag force from air density, velocity, drag coefficient, and frontal area.
- Graham's Law Calculator Calculate the ratio of effusion or diffusion rates of two gases from their molar masses.
- Doppler Effect Calculator Calculate the observed frequency shift (sound).
- Half-Life Calculator Calculate the remaining amount and decayed percentage after a given time using half-life.
- Heat Pump COP Calculator Calculate the ideal (Carnot) coefficient of performance of a heat pump for heating and cooling.
- Henry's Law Calculator Calculate the dissolved gas concentration using Henry's law from the Henry constant and partial pressure.
- Normality Calculator Calculate the normality of a solution from its molarity and the number of equivalents per mole.
- Stokes' Law Calculator Calculate the viscous drag force on a small sphere moving through a fluid (Stokes' law).
- Spring Constant Calculator Calculate Hooke’s law spring constant k = F/x.
- Telescope Limiting Magnitude Calculator Estimate the faintest stellar magnitude a telescope can reveal from its aperture, plus the aperture in inches and its light grasp versus the naked eye.
- Geographic Midpoint Calculator Calculate the great-circle midpoint between two latitude/longitude coordinates.
- ppm to Molarity Calculator Convert a dilute aqueous concentration in ppm (mg/L) to molarity using the molar mass.
- Harmonic Frequency Calculator Calculate the harmonic frequencies of a vibrating string from the harmonic number, wave speed and length.
- Heat Index Calculator Calculate the NWS heat index (apparent temperature) from air temperature and relative humidity, and see the heat risk category.
- Reduced Mass Calculator Calculate the reduced mass of a two-body system from the two masses.
- Spring Period Calculator Calculate the oscillation period and frequency of a mass on a spring.
- Tidal Force Calculator Calculate the differential tidal acceleration on an object from a massive body.
- Boiling Point Elevation Calculator Calculate boiling point elevation and the solution's boiling point from molality and Kb.
- Diffraction Grating Calculator Calculate the diffraction angle for a grating from wavelength, line density and order.
- Orbital Period Calculator Calculate the orbital period of a body from its semi-major axis and the central mass.
- Pressure Calculator Calculate pressure from an applied force and the contact area.
- Centripetal Acceleration Calculator Calculate the centripetal acceleration of an object moving in a circle, in m/s² and g.
- Distance Modulus Calculator Calculate a star's distance from its apparent and absolute magnitudes (distance modulus).
- Entropy Change Calculator Calculate the entropy change of an isothermal process from the heat transferred and temperature.
- Molarity Calculator Calculate molarity from moles of solute and volume.
- Nernst Equation Calculator Calculate electrode/cell potential with the Nernst equation from E°, electrons, Q and temperature.
- RL Time Constant Calculator Calculate the time constant of an RL circuit from inductance and resistance.
- Titration Calculator Calculate the unknown analyte molarity from titrant concentration, volumes and mole ratio.
- Beer–Lambert Law Calculator Calculate absorbance and % transmittance from molar absorptivity, path length and concentration.
- GC Content Calculator Calculate the GC content (percentage of G and C bases) of a DNA or RNA sequence.
- Impulse Calculator Calculate impulse from force and time, and the resulting velocity change if a mass is given.
- Pendulum Period Calculator Calculate the period of a simple pendulum from its length.
- Photoelectric Effect Calculator Calculate the maximum kinetic energy of emitted electrons from photon wavelength and work function.
- Solution Dilution Calculator Calculate the final volume and solvent to add using C1V1=C2V2.
- Inverse Square Law Calculator Calculate how light, sound or radiation intensity changes with distance using the inverse-square law.
- Ionic Strength Calculator Calculate the ionic strength of a solution from two ions' concentrations and charges.
- Speed of Sound Calculator Calculate the speed of sound in air at a given temperature.
- Thermal Resistance Calculator Calculate the conductive thermal resistance of a material layer from its thickness, conductivity and area.
- Centripetal Force Calculator Calculate centripetal force and acceleration.
- Gibbs Free Energy Calculator Calculate Gibbs free energy change and whether a reaction is spontaneous.
- Hydraulic Press Calculator Calculate the output force and mechanical advantage of a hydraulic press using Pascal's principle.
- Latent Heat Calculator Calculate the heat energy for a phase change from mass and the specific latent heat.
- Dawes' Limit Calculator Calculate a telescope's resolving power (Dawes' limit) from its aperture diameter.
- Escape Energy Calculator Calculate the energy and velocity needed to escape a celestial body's gravity.
- Force Calculator (F=ma) Calculate force from mass and acceleration using Newton’s second law.
- Lensmaker's Equation Calculator Calculate the focal length and optical power of a lens from its refractive index and surface radii.
- ppm / Percent Converter Convert a concentration between ppm, ppb, percent and fraction.
- Roche Limit Calculator Calculate the rigid Roche limit — the closest a satellite can orbit before tidal forces tear it apart.
- Absolute Humidity Calculator Calculate absolute humidity (g/m³) and vapour pressure from air temperature and relative humidity.
- Humidex Calculator Calculate the humidex (perceived temperature) from air temperature and dew point.