Standard gravity
STANDARD GRAVITATIONAL ACCELERATION ON EARTH'S SURFACE
Standard acceleration of gravity; 9.81; 9.8 m/s²; Standard Gravity; Standard weight; Standard gravitational acceleration; Gravity acceleration unit; 32.2; 9.80665 m/s²; 9.81 m/s^2; Draft:9.81 m/s^2
The standard acceleration due to gravity (or standard acceleration of free fall), sometimes abbreviated as standard gravity, usually denoted by or , is the nominal gravitational acceleration of an object in a vacuum near the surface of the Earth. It is defined by standard as .