Standard Gravity (g)
Definition: A g-force or g-unit is equal to the nominal acceleration due to gravity on Earth at sea level, which is defined as 9.80665 m/s².
History/origin: The concept was developed to help aviators and engineers understand the physical stress of acceleration on the human body compared to normal gravity.
Current use: Widely used in aerospace, automotive safety testing (crash tests), and quantifying the intensity of roller coasters and sports cars.
Meter/sec² (m/s²)
Definition: The meter per second squared is the SI derived unit of acceleration. It represents the change in velocity in meters per second for every one second interval.
History/origin: Derived from the base units of the International System (SI)—meter and second. It became the universal standard for physics and engineering in the mid-20th century.
Current use: The absolute standard unit for calculations in classical mechanics, robotics, and aerospace engineering.
Standard Gravity (g) to Meter/sec² (m/s²) Conversion Table
| Standard Gravity (g) [g_unit] | Meter/sec² (m/s²) [m_s2] |
|---|---|
| 0.01 g_unit | 0.0980665 m_s2 |
| 0.1 g_unit | 0.980665 m_s2 |
| 1 g_unit | 9.80665 m_s2 |
| 2 g_unit | 19.6133 m_s2 |
| 3 g_unit | 29.41995 m_s2 |
| 5 g_unit | 49.03325 m_s2 |
| 10 g_unit | 98.0665 m_s2 |
| 20 g_unit | 196.133 m_s2 |
| 50 g_unit | 490.3325 m_s2 |
| 100 g_unit | 980.665 m_s2 |
| 1000 g_unit | 9806.65 m_s2 |
How to Convert Standard Gravity (g) to Meter/sec² (m/s²)
1 g_unit = 9.80665 m_s2
1 m_s2 = 0.10197162 g_unit
Example: convert 15 g_unit to m_s2:
15 g_unit = 15 × 9.80665 m_s2 = 147.09975 m_s2
Did You Know?
- Fighter pilots can experience up to 9 Gs of acceleration during extreme maneuvers. At 9G, their body feels nine times heavier than normal, which can cause them to lose consciousness.
- Did you know? Earth's standard gravity is approximately 9.80665 m/s². This means if you drop an object, its speed increases by about 9.8 meters per second for every second it falls!