G Force Calculator
Calculate gravitational force equivalents (G-force) from acceleration or circular motion parameters
Results:
Results:
About G Force
G-force (gravitational force) is a measurement of the type of acceleration that causes a perception of weight. 1G is equal to the force of gravity at the Earth’s surface, which is 9.8 m/s².
Common G Force Examples:
- Normal Earth gravity: 1G
- Space shuttle launch: ~3G
- Roller coasters: 3-6G
- Fighter jet maneuvers: up to 9G
- Human tolerance limit: ~9G sustained
Frequently Asked Questions
G-force is a measurement of acceleration expressed in multiples of Earth’s gravitational acceleration (9.8 m/s²). It represents the force exerted on a body due to acceleration or gravity.
For linear acceleration: G Force = Acceleration (m/s²) / 9.8 m/s². For circular motion: G Force = (Velocity² / (Radius × 9.8)).
Sustained G-forces above 5G can be dangerous for untrained individuals. Fighter pilots can tolerate up to 9G briefly with special equipment. Negative G-forces (headward acceleration) are generally more dangerous than positive G-forces.
High G-forces can cause blood to pool in certain areas, leading to loss of consciousness (G-LOC), vision problems (tunnel vision or greyout), and physical stress on organs and bones.