The milligal (mGal) and microgal (µGal) are respectively one thousandth and one millionth of a gal. The gal is not part of the International System of Units (known by its French-language initials "SI").
Is gravity a unit of measurement?
Units of measurement
Gravity is usually measured in units of acceleration. ... Other units include the cgs gal (sometimes known as a galileo, in either case with symbol Gal), which equals 1 centimetre per second squared, and the g (gn), equal to 9.80665 m/s2.
How much is a mGal?
1 Mgal/d = 1.121 thousand acre-feet per year. 1 million gallons = 3,785,412 liters. 1 million gallons = 3.07 acre feet.
