How it works
Calculate acceleration from change in velocity over time.
Input query strings and outputs
Use an input name in this page’s URL as ?name=value, and join additional inputs with &. Portable shared links may instead use the compact ?ac= state parameter.
Input query strings
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?startVel=Initial Velocity (m/s)Number · Optional · Default: 0
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?endVel=Final Velocity (m/s)Number · Optional · Default: 27.78
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?time=Time Taken (s)Number · Optional · Default: 5
Outputs
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resultResultText · Primary output
result contains the calculator’s complete rendered result area, including its visible result cards, tables, charts, and messages.
Calculate physical acceleration from velocity change
Description
The Acceleration Calculator is a classical physics tool for determining how quickly an object is speeding up or slowing down. Based on Newton’s laws of motion, it calculates the Average Acceleration by measuring the change in velocity ($v_2 - v1$) over a specific period of time ($t$). This tool is essential for students, engineers, and automotive enthusiasts.
Inputs
- Initial Velocity (m/s): The speed of the object at the start of the measurement.
- Final Velocity (m/s): The speed of the object at the end of the measurement.
- Time Taken (s): The duration of the velocity change in seconds.
Outputs
- Acceleration: The rate of change in velocity, expressed in meters per second squared ($m/s^2$).
Chart
- N/A: This tool provides direct numeric kinematic results.
“Good to Know”
- Deceleration: If your acceleration is negative, it means the object is slowing down (also called “deceleration”).
- Conversion: 100 km/h is approximately 27.78 m/s. If you are calculating a 0-100 km/h time for a car, use 27.78 as your final velocity.
- Gravity: The acceleration due to Earth’s gravity is approximately 9.81 m/s².
Examples
Example 1: Sports Car 0-60
- Input: Initial: 0, Final: 26.8 (60 mph), Time: 4s
- Output: 6.70 m/s²
Example 2: Braking to a Stop
- Input: Initial: 30, Final: 0, Time: 5s
- Output: -6.00 m/s²
Example 3: Slow Increase
- Input: Initial: 10, Final: 15, Time: 10s
- Output: 0.50 m/s²