Intensity may refer to:
In colloquial use Strength (disambiguation) Amplitude Level (disambiguation) Magnitude (disambiguation)
In physical sciences
Physics Intensity (physics), power per unit area (W/m2) Field strength of electric, magnetic, or electromagnetic fields (V/m, T, etc.) Intensity (heat transfer), radiant heat flux per unit area per unit solid angle (W·m−2·sr−1) Electric current, whose value is sometimes called current intensity in older books
Optics Radiant intensity, power per unit solid angle (W/sr) Luminous intensity, luminous flux per unit solid angle (lm/sr or cd) Irradiance, power per unit area (W/m2)
Astronomy Radiance, power per unit solid angle per unit projected source area (W·sr−1·m−2)
Seismology Mercalli intensity scale, a measure of earthquake impact Japan Meteorological Agency seismic intensity scale, a measure of earthquake impact Peak ground acceleration, a measure of earthquake acceleration (g or m/s2)
Acoustics Sound intensity, sound power per unit area
Other uses Value intensity in philosophy and ethics In video luminous emittance, the luminous flux per unit area (lm/m2 or lux) Energy intensity, an economic measure of energy consumed per unit of GDP (J/$, etc.) Carbon intensity, any of several measures of release of carbon into the environment Floor area ratio, the ratio of the total floor area of buildings on a certain location to the size of the land of that location, or the zoning limit imposed on such a ratio Intensity (measure theory), the average value a measure assigns to an interval of length one Exercise intensity, a measure of how much work is done during exercise (% of max heart rate) Intensity (novel), a 1995 novel by Dean Koontz Intensity (film), a 1997 made-for-TV movie based on the novel Intensity (Charles Earland album), 1972 Intensity (Art Pepper album), 1960 Intensity (John Klemmer album), 1973 Intensity!, a 1999 album by The Bambi Molesters Intensity (video game), a 1988 video game. "Intensity", a song by Linda Perhacs from the album The Soul of All Natural Things
See also Brightness