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Angular Acceleration Calculator
All physics tools
Calculate the rate of change of angular velocity.
Rotational Dynamics
Initial Angular Velocity (ω1) (rad/s)
Final Angular Velocity (ω2) (rad/s)
Time (t) (s)
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Calculation Results
About this calculator
Overview
Angular acceleration (α) is the rate at which an object's angular velocity changes over time.
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Pro Tips
Common units: radians per second squared (rad/s²).
Positive α means speeding up; negative α means slowing down.
Analogous to linear acceleration (a) in translational motion.
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Fun Facts
"A spinning figure skater changes their angular velocity by moving their arms, but their angular acceleration depends on the torques applied."
"Hard disk drives accelerate from 0 to 7,200 RPM in just a few seconds."
"Gigantic turbines in power plants take much longer to reach their operating speeds due to their massive rotational inertia."
Formula: α = (ω2 - ω1) / t
