Calculators list - PHYSICS
In this category you'll find calculators, converters or tables related to physics. Here you'll find SI units table, convert joules (J) to electronvolts (eV) or see how to transform momentum formula to get mass.
• Table shows acoustic impedance of various mediums such as air, water or marble.

• Converts amount of substance from one unit to another e.g. from millimoles (mmol) to number of particles (atoms or molecules depending on substance) or vice versa.

• Table shows example usage of selected radioisotopes.

• Calculations related to Avogadro's law. Enter known values (e.g. volume or number of moles) and select which value you want to find out (e.g. molar volume) and we'll show you step-by-step how to transform basic formula and reach your result in desired units.

• Table shows common constants used in physics and chemistry.

• Calculator finds out boiling point under selected pressure using Clausius-Clapeyron's equation and reference data for given substance. For example, you can find out what is water's boiling point in high mountains, where the pressure is lower.

• Calculations related to Clapeyron's equation known also as ideal gas law. Enter known values (e.g. pressure and temperature) and select which value you want to find out (e.g. volume) and we'll show you step-by-step how to transform basic formula and reach your result in desired units.

• Converts coordinates from one system to another for example from cartesian to spherical or vice versa. Both two and three-dimensional coordinate systems are available.

• Table shows critical temperatures of various chemical substances.

• Table shows lattice crystal energy in kJ/mol for selected ion compounds.

• Table shows density of selected gases, solids and liquids.

• Density units converter - converts units between kilograms per cubic meter, grams per liter, ounces per galon etc. Both metric and imperial (US and UK) units are included. Also, you will find more exotic units here, such as multiplicity of Earth density or femtograms per liter.

• Converts dimensionless quantity units such as percent, permile, ppm (parts per million) mU (miliuno) etc.

• Table shows values of electric dipole moment of various chemical substances given in any unit you prefer such as debyes, coulomb times meter, atomic units of dipole moment etc.

• Converts dipole moment from one unit to another e.g. from debyes to atomic units or vice versa.

• Converts electric current from one unit to another e.g. from miliamperes (mA) to amperes (A) or vice versa.

• More than 170 restivity units. Here you found common units such as ohm times metre (Ω × m) or ohm times inch (Ω × inch), but also less known for example statohm times inch (statohm × inch).

• Converts electrical capacitance value from one unit to another e.g. from farads (F) to microfarads (µF) or vice versa.

• Table shows common classification of electromagnetic waves based on frequency (wavelength). Also, example methods of producing/generating and applications for given wavelengths are presented.

• Table shows electron configuration of chemical elements in groundstate.

• Table shows basic properties of elementary particles.

• Energy units converter. Converts joules, calories, many physical, british, american and time related units.

• Converts force from one unit to another e.g. from newtons (N) to dynes (dyn) or vice versa.

• Generates sound with specified frequency and waveform type (sine, triangle etc.).

• More than 25 frequency units. Common SI units such as hertz (Hz), kilohertz (kHz), gigahertz (GHz), but also some less known like radians per seconds, RPM (rotatinions per minute) or degrees per hours.

• Table shows basic physical properties of our Galaxy i.e. Milky Way. Presented data are for example diameter, mass, mean density etc. but also less common like distance of the Sun from the center of the Galaxy.

• Table shows small and big greek letters with their example usage in various kind of science such as mathematics, physics or chemistry. Additionally, it shows how to get a given greek letter in the HTML code (so-called HTML entities), TeX and TeX based formats such as LaTeX, KaTeX, MathJax etc. or in the UNICODE system.

• Table shows ionization energy of chemical elements given in kJ/mol.

• Length units converter - converts units between kilometers, meters, decimeters, angstroms, miles, feet, inches, american/imperial units, nautical (sea) units and astronomical units

• Mass (weight) units converter - converts units between metric (tons, kilograms, etc.), Avoirdupois/US (pounds, ounces) and troy systems

• Calculator finds out sound reduction in decibels (dB) for double layer wall with given density, thickness and air gap width using so-called mass law equation.

• Calculator finds out sound reduction in decibels (dB) for single layer wall with given density and thickness using so-called mass law equation.

• Table shows resistivity values of common materials (substances).

• Table shows formulas for conversion between various coordinate systems for example from cartesian to cylindrical or vice versa. Formulas for both two and three-dimensional coordinate systems are presented.

• Tables display the volume that one mole of the selected gas occupies.

• Online calculator for momentum. Computes values of momentum, mass or velocity using the momentum formula.

• Table shows common physical properties of the moon such as mean radius, distance from the Earth (average, minimum and maximum), mean density, volume etc.

• Table shows all known, natural satellites (i.e. moons) of the planets in Solar System including some common characteristics such as mean radius, semi-major axis, sidereal period or discovery year.

• Calculator finds out sound wave at given distance from source with given sound pressure level.

• Table shows frequencies of music notes in twelve-tone equal tempered system (12-TET). Both basic tone and up to three harmonic frequencies are presented.

• A metric units prefixes for numbers (SI prefixes).

• Current, voltage, resistance: calculations related to Ohm law. Enter known values (e.g. voltage and resistance of conductor) and we'll show you step-by-step how to transform basic formula and find out missing value (e.g. current)

• Table shows properties of common periodic signals (sine, square, triangle etc.) such as absolute mean value, effective value or shape factor.

• Power units converter. This calculator converts between horsepower, wats and over a dozen other power units.

• Pressure units converter. Easy conversion of pascals, atmosfpheres, bars and other pressure related units.

• Calculator finds out pressure based on force and area.

• Converts electrical resistance value from one unit to another e.g. from ohms (Ω) to megaoms (MΩ) or vice versa.

• Calculator decodes parameters of the resistor (resistance value, tolerance, temperature coefficient) painted as colored bands on the resistor and vice versa.

• Table shows most common properties of Solar System planets collected into one set of data.

• Table shows examples of sound sources with various intensity level given in decibels.

• Table shows speed of sound within medium compound of various materials such as air, steel or water.

• Calculator finds out sound reflection coefficient between two mediums e.g. air-concrete or steel-steel

• Table shows specific heat capacity of selected gases, solids and liquids.

• Specific heat capacity units converter - converts units based on various energy units (joules, calories, kilocalories), temperature units (Kelvins, Celsius or Fahrenheit degrees) and mass units (grams, kilograms).

• Speed (velocity) units converter - converts units between metric (kilometres per hour, meters per second and many more), british-american (miles per hour, foot per second and many more), nautical (knots) and some other (machs, speed of light etc.)

• Table shows isotopic composition of chemical elements occurring permanently in nature. Isotopes obtained artificially are not presented here.

• Temperature units converter. Easy conversion of Kelvin, Celsius, Fahrenheit, Rankine and other temperature related (heat) units.

• Time units converter - converts units between seconds, milliseconds, minutes, hours, days etc.

• Tables show triple points (temperature and pressure) of selected substances i.e. conditions when all three phases (liquid, solid and gas) coexist in thermodynamic equilibrium.

• Table shows various units (gal, erg, dyne etc.) and corresponding physical quantities (measurements) used in historical CGS (centimetre-gram-second) system. Both basic CGS and EMU/ESU extensions are presented.

• Table shows various units (kilogram, metre, ampere etc.) and corresponding physical quantities (measurements). Both basic SI and selected derivated units are presented.

• Online calculator for velocity. Computes values of velocity, distance or time using the average velocity formula.

• Converts voltage from one unit to another e.g. from milivolts (mV) to volts (V) or vice versa.

• Converter of volume units (also capacity units). Supports 110+ different units used over the world. Gallons, litres, cubic meters, pints, barrels and 100+ other !

• Convert volume to mass and vice versa. Using this calculator you can check what is the weight of a glass of water or what volume does kilogram of feathers occupy. Use the one of predefined substances (water, steal, wood etc.) or enter custom density in any unit (kg/m3, g/cm3, mg/l etc.)

• Table shows how density of water depends on temperature. Data were measured under so-called normal pressure i.e. 1013,25 hPa.

• The calculator finds out wavelength based on frequency and vice versa. It accepts wave velocity as input, so you can use it for various kinds of waves (sound, light etc.).

• Calculator shows relation between wire dimensions (length, cross-surface area), kind of material (resistivity) and resistance of the final conductor.

• Table shows Young's modulus of various materials such as foam, concrete, rubber etc.

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