What are the common units of acceleration?

Common acceleration units: m/s squared (SI standard), ft/s squared (imperial), g (g-force, 1g = 9.81 m/s squared), Gal (cm/s squared, used in geophysics), knots per second (aviation). Gravity on Earth = 1g = 9.81 m/s squared = 32.174 ft/s squared.

G-force (g) is acceleration relative to Earth's gravity. 1g = 9.81 m/s squared. Humans can withstand about 5-9g for brief periods. Fighter pilots experience 9g during tight turns. Roller coasters peak at 3-6g. Dragster drivers experience 4-5g at launch. Astronauts during Space Shuttle launch experienced about 3g.

How do I convert g-force to m/s squared?

Multiply g-force by 9.81 to get m/s squared. Formula: a (m/s squared) = g-force x 9.81. Examples: 2g = 19.62 m/s squared, 5g = 49.05 m/s squared. Reverse: g-force = a / 9.81.

What acceleration does a sports car achieve?

A car that goes 0 to 60 mph (0-26.8 m/s) in 3 seconds: acceleration = 26.8/3 = 8.93 m/s squared = 0.91g. Sports cars typically achieve 0.5-1.0g. Tesla Model S Plaid achieves about 1.1g (0-60 in under 2 seconds). Formula 1 cars can accelerate at 1.45g.

Acceleration Converter

Convert between m/s², ft/s², g-force, Gal, Milligal, km/h/s and more.

About Acceleration Units

Acceleration measures the rate of change of velocity per unit of time. The SI unit is meter per second squared (m/s²). Other common units include g-force (standard gravity, 9.80665 m/s²), the Gal (cm/s², used in geophysics), and ft/s² used in engineering.

Quick Reference Table

Unit	Equivalent in m/s²
1 g-force	9.80665 m/s²
1 ft/s²	0.3048 m/s²
1 Gal (cm/s²)	0.01 m/s²
1 km/h/s	0.27778 m/s²
1 mi/h/s	0.44704 m/s²

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