Gravitational Units Converter

Convert between g-force, acceleration (m/s², ft/s²), Gal, and related units. Essential for physics, aerospace, automotive testing, and engineering applications.

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Common Conversions
Quick access to frequently used conversions
Unit Information

Scientific Units

Scientific and technical measurements

g
scientific
Gravitational Force
Gravitational force as multiple of Earth gravity
Gal
scientific
Gal (Galileo)
1 Gal = 1 cm/s², used in geodesy
N/kg
scientific
Newtons per Kilogram
Gravitational field strength (equivalent to m/s²)

Metric Units

International System of Units (SI) measurements

m/s²
metric
Meters per Second Squared
Base unit of acceleration in the SI system
cm/s²
metric
Centimeters per Second Squared
Acceleration in centimeters per second squared
km/h²
metric
Kilometers per Hour Squared
Acceleration in kilometers per hour squared

Imperial Units

Traditional British and American measurements

ft/s²
imperial
Feet per Second Squared
Acceleration in feet per second squared
in/s²
imperial
Inches per Second Squared
Acceleration in inches per second squared
mph/s
imperial
Miles per Hour per Second
Acceleration in miles per hour per second
Preferences

Applications

Aerospace Engineering

  • • Rocket launch acceleration calculations
  • • Aircraft maneuver stress analysis
  • • Spacecraft orbital mechanics
  • • Re-entry deceleration forces

Automotive Testing

  • • Crash test deceleration measurements
  • • Braking performance analysis
  • • Cornering force calculations
  • • Vehicle stability testing

Physics Research

  • • Gravitational field strength measurements
  • • Centrifuge acceleration studies
  • • Free-fall experiments
  • • Planetary gravity calculations

Engineering Design

  • • Structural load calculations
  • • Machine vibration analysis
  • • Earthquake force modeling
  • • Impact resistance testing

Gravitational and Acceleration Units

Gravitational Force

g-force: Multiple of Earth's gravity (9.80665 m/s²)

N/kg: Newtons per kilogram (gravitational field strength)

Standard g: 1 g = 9.80665 m/s² at sea level

Microgravity: < 0.001 g (space conditions)

High g: > 10 g (extreme conditions)

SI Units

m/s²: Meters per second squared (standard SI unit)

cm/s²: Centimeters per second squared

Gal: 1 Gal = 1 cm/s² (geodesy unit)

km/h²: Kilometers per hour squared

N/kg: Newtons per kilogram

Imperial Units

ft/s²: Feet per second squared

in/s²: Inches per second squared

mph/s: Miles per hour per second

Standard g: 1 g = 32.174 ft/s²

Conversion: 1 m/s² = 3.28084 ft/s²

About Gravitational Conversion

Gravitational units conversion is based on the relationship between different acceleration measurements and the standard gravitational acceleration on Earth. The g-force unit is particularly useful as it provides a human-scale reference for acceleration.

Key Relationships

  • • 1 g = 9.80665 m/s² (standard gravity)
  • • 1 g = 32.174 ft/s² (Imperial equivalent)
  • • 1 Gal = 1 cm/s² = 0.01 m/s²
  • • 1 m/s² = 3.28084 ft/s²
  • • 1 km/h² = 0.07716 m/s²

Common g-force Values

  • Walking: 0.1-0.2 g
  • Car Braking: 0.5-1.0 g
  • Roller Coaster: 2-4 g
  • Fighter Jet: 6-9 g
  • Rocket Launch: 3-5 g
  • Formula 1: 4-6 g
  • Space Shuttle: 3 g max

This converter provides precise conversions between all gravitational and acceleration units, making it easy to work with any measurement scale. Whether you're designing aerospace systems, testing automotive safety, or conducting physics research, our gravitational converter ensures accurate and reliable results.

Scientific Background

The concept of g-force was developed to provide a human-scale reference for acceleration measurements. One g represents the acceleration due to gravity on Earth's surface, making it intuitive for engineers and scientists to work with acceleration values.

Physical Constants

  • Standard Gravity: g₀ = 9.80665 m/s²
  • Variation with Latitude: ±0.5% from equator to poles
  • Altitude Effect: Decreases with height above sea level
  • Earth's Mass: 5.972 × 10²⁴ kg
  • Earth's Radius: 6.371 × 10⁶ m

Measurement Methods

  • Accelerometers: Electronic sensors measuring acceleration
  • G-force Meters: Specialized devices for g-force measurement
  • Inertial Navigation: Systems using acceleration integration
  • Strain Gauges: Measuring deformation under acceleration

Understanding gravitational units is crucial in physics, engineering, aerospace, and many other fields. Our converter provides the mathematical relationships needed to work with acceleration values across different measurement systems and applications.

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