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Instantly calculate vibration G-force online with our free, accurate Vibration G Force Calculator. Easy to use, supports multiple units and formats.
Vibration and motion play a critical role in many industries from automotive and aerospace to electronics, fitness, and construction. Understanding how much force is generated by a vibrating object is essential for safety, design, and performance optimization. That’s why we’ve built the Vibration G Force Calculator, a simple and user-friendly tool to help you measure vibration acceleration in G-units with just a few inputs.
Whether you're an engineer testing machine parts, a physics student, or simply curious about how fast something vibrates, this calculator can convert vibration frequency and amplitude into real-world force values instantly. Plus, it supports a variety of units and includes accurate physics formulas used in vibration testing.
In physics, vibration G-force refers to the peak acceleration an object experiences while vibrating, measured in units of gravitational force (g). One "g" equals 9.81 meters per second squared (m/s²), which is the standard acceleration due to gravity on Earth. If a part is vibrating with enough acceleration to reach 2 g, it’s experiencing twice the force of gravity.
Understanding this G-force helps in determining how much stress or load is being applied to a component during its motion. It's commonly used in lab testing, vibration tables, and shock simulations.
To calculate the G-force of a vibration, you need two key inputs: frequency and amplitude.
Here is the standard formula used:
G = (2πf)² × A / 9.81
Where:
If you're using amplitude in millimeters, simply convert it to meters by dividing by 1000. If you have peak-to-peak amplitude, divide that by 2 to get the single amplitude.
Example:
If your vibration frequency is 30 Hz and amplitude is 2 mm (peak-to-peak), you first convert amplitude to meters:
A = 2 mm / 2 = 1 mm = 0.001 m
G = (2 × π × 30)² × 0.001 / 9.81 ≈ 3.62 g
Using the calculator is simple and requires no special training. Just follow these steps:
Input the vibration frequency. You can use Hz, kHz, or RPM. The calculator will auto-convert to standard units.
Provide the vibration displacement. You can input it in mm, meters, microns (µm), inches, or mils.
Choose if the amplitude is “single” or “peak-to-peak.” If it's peak-to-peak, the calculator automatically halves it for you.
Once the inputs are submitted, the tool will calculate and display:
The values are based on pure sinusoidal vibration for maximum accuracy.
Our Vibration G Force Calculator stands out because it's:
It's also more efficient than a Vibration Calculator Excel file or an app, as it's web-based and ready to use instantly on any device.
Understanding vibration G-force is crucial in a wide range of applications. Whether you're testing a product for durability, working on a vehicle suspension system, or just need to convert vibration velocity into displacement or acceleration, this calculator gets the job done. We built this tool to simplify complex vibration physics into easy, understandable results. Try it now and eliminate the guesswork from vibration measurement.
It’s the acceleration produced by vibrating motion, measured in g-units. It helps evaluate how much stress or movement is being applied during vibration.
Speed in mph doesn’t directly convert to G-force unless it involves acceleration or deceleration. G-force is based on how quickly the velocity changes.
1 G = 9.81 m/s². Over time, it could be around 21.9 mph per second of acceleration. But G-force doesn't translate directly into steady speed like mph.
Yes, but it depends on frequency. Displacement (A) = velocity / (2πf). Our calculator doesn't directly support this yet, but future versions may.
Currently, it's web-based only, but you can bookmark the page or use it on your phone as a web app.