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Convert Radians per second squared to Revolutions per second squared

Instantly convert Radians per second squared (rad/s²) to Revolutions per second squared (rev/s²) with our free online calculator.

Reviewed by Christopher FloiedUpdated

Formula: rad/s² to rev/s²multiply by 0.159155

Reference Table

Radians per second squared (rad/s²)Revolutions per second squared (rev/s²)
10.159155
50.795775
101.59155
253.97887
507.95775
10015.9155

How to Convert Radians per second squared to Revolutions per second squared

Formula

To convert Radians per second squared (rad/s²) to Revolutions per second squared (rev/s²): multiply by 0.159155

Step-by-Step

  1. Start with your value in Radians per second squared (rad/s²).
  2. Multiply by 0.159155 to perform the conversion.
  3. The result is your value expressed in Revolutions per second squared (rev/s²).

Conversion Factor

1 rad/s² = 0.159155 rev/s²

Reverse Factor

1 rev/s² = 6.28319 rad/s²

Worked Example

Convert 25 Radians per second squared to Revolutions per second squared: 25 rad/s² = 3.97887 rev/s²

About Radian per second squared (rad/s²)

The SI unit of angular acceleration (ISO 80000-3 §3-8) — the rate of change of angular velocity with respect to time (α = dω/dt). rad/s² is the universal working unit in rotational dynamics: the rotational form of Newton's second law τ = I·α (torque equals mass moment of inertia times angular acceleration) is dimensionally consistent only when α is in rad/s². Used extensively in: robotics motion planning (joint-trajectory generation with bounded velocity AND acceleration per ROS MoveIt! and KUKA KRL controllers), vehicle drivetrain spin-up simulations (clutch-engagement transient analysis), rotor balancing per ISO 21940 (residual-unbalance limits trigger speed-up / coast-down acceleration testing), control-system tuning (motor controllers expose acceleration limits in rad/s² for ramp-rate programming), and FEA rotating-machinery transient analysis (Abaqus/Standard, ANSYS Workbench Transient Structural). Reference values: a typical industrial servo motor commanded acceleration 100-1,000 rad/s²; an automotive engine free-revving acceleration 200-500 rad/s²; a hard-drive spindle spin-up 200-500 rad/s². 1 rad/s² ≈ 9.549 RPM/s.

About Revolution per second squared (rev/s²)

Angular acceleration expressed in full rotations per second per second (1 rev/s² = 2π rad/s² ≈ 6.283 rad/s² = 360 deg/s² = 60 RPM/s). rev/s² is used in specialty rotating-equipment analysis where the natural rotational-rate timebase is rev/s (rather than RPM or rad/s): large laboratory centrifuges (Beckman Optima ultracentrifuges with programmable acceleration/deceleration in rev/s² for rotor-protection during rapid spin-down), flywheel energy-storage systems (Beacon Power 25 MW grid-frequency-regulation flywheels with controlled spin-up profiles), automotive turbocharger spin-up transient analysis (the lag-time response from low-end RPM to spool-up at full boost), ultra-high-speed machining spindles, and inertial-confinement-fusion target-rotation rigs. Convert rev/s² to rad/s² by multiplying by 2π; to RPM/s by multiplying by 60; to deg/s² by multiplying by 360.

Quick Facts

  • 1 Radian per second squared equals 0.159155 Revolutions per second squared
  • 1 Revolution per second squared equals 6.28319 Radians per second squared
  • Radian per second squared is a unit of angular acceleration
  • Revolution per second squared is a unit of angular acceleration
  • This conversion is commonly used in motor control, robotics, and rotational dynamics

Common Radian per second squared to Revolution per second squared Conversions

Radians per second squared (rad/s²)Revolutions per second squared (rev/s²)
0.010.00159155
0.10.0159155
0.250.0397887
0.50.0795775
10.159155
20.31831
30.477465
50.795775
101.59155
152.38732
203.1831
253.97887
507.95775
7511.9366
10015.9155
25039.7887
50079.5775
1000159.155
5000795.775
100001591.55

Understanding Radians per second squared

The Radian per second squared (symbol: rad/s²) is a unit of angular acceleration. The SI unit of angular acceleration (ISO 80000-3 §3-8) — the rate of change of angular velocity with respect to time (α = dω/dt). rad/s² is the universal working unit in rotational dynamics: the rotational form of Newton's second law τ = I·α (torque equals mass moment of inertia times angular acceleration) is dimensionally consistent only when α is in rad/s². Used extensively in: robotics motion planning (joint-trajectory generation with bounded velocity AND acceleration per ROS MoveIt! and KUKA KRL controllers), vehicle drivetrain spin-up simulations (clutch-engagement transient analysis), rotor balancing per ISO 21940 (residual-unbalance limits trigger speed-up / coast-down acceleration testing), control-system tuning (motor controllers expose acceleration limits in rad/s² for ramp-rate programming), and FEA rotating-machinery transient analysis (Abaqus/Standard, ANSYS Workbench Transient Structural). Reference values: a typical industrial servo motor commanded acceleration 100-1,000 rad/s²; an automotive engine free-revving acceleration 200-500 rad/s²; a hard-drive spindle spin-up 200-500 rad/s². 1 rad/s² ≈ 9.549 RPM/s.

Radians per second squared are commonly used in motor control, robotics, and rotational dynamics.

Understanding Revolutions per second squared

The Revolution per second squared (symbol: rev/s²) is a unit of angular acceleration. Angular acceleration expressed in full rotations per second per second (1 rev/s² = 2π rad/s² ≈ 6.283 rad/s² = 360 deg/s² = 60 RPM/s). rev/s² is used in specialty rotating-equipment analysis where the natural rotational-rate timebase is rev/s (rather than RPM or rad/s): large laboratory centrifuges (Beckman Optima ultracentrifuges with programmable acceleration/deceleration in rev/s² for rotor-protection during rapid spin-down), flywheel energy-storage systems (Beacon Power 25 MW grid-frequency-regulation flywheels with controlled spin-up profiles), automotive turbocharger spin-up transient analysis (the lag-time response from low-end RPM to spool-up at full boost), ultra-high-speed machining spindles, and inertial-confinement-fusion target-rotation rigs. Convert rev/s² to rad/s² by multiplying by 2π; to RPM/s by multiplying by 60; to deg/s² by multiplying by 360.

Revolutions per second squared are commonly used in motor control, robotics, and rotational dynamics.

Why Convert Radians per second squared to Revolutions per second squared?

Converting between Radians per second squared and Revolutions per second squared is a frequent requirement for engineers, scientists, and students working with angular acceleration values. Different industries and regions favour different unit systems, so having a dependable conversion tool saves time and prevents errors in technical calculations. Whether you are verifying a specification sheet, cross-checking simulation results, or preparing a report for an international audience, accurate angular acceleration conversion is essential.

Frequently Asked Questions

How do I convert Radians per second squared to Revolutions per second squared?

The SI unit of angular acceleration (ISO 80000-3 §3-8) — the rate of change of angular velocity with respect to time (α = dω/dt). To convert Radians per second squared to Revolutions per second squared, multiply by 0.159155. For example, 25 rad/s² equals 3.97887 rev/s².

How many Revolutions per second squared are in 1 Radian per second squared?

There are 0.159155 Revolutions per second squared in 1 Radian per second squared.

How many Radians per second squared are in 1 Revolution per second squared?

There are 6.28319 Radians per second squared in 1 Revolution per second squared.

What is the formula for Radian per second squared to Revolution per second squared conversion?

The formula is: multiply by 0.159155. This means 1 rad/s² = 0.159155 rev/s².

Is a Radian per second squared bigger than a Revolution per second squared?

Yes. One Radian per second squared is larger than one Revolution per second squared because 1 rad/s² equals 0.159155 rev/s², which is less than 1.

When do you need to convert between Radians per second squared and Revolutions per second squared?

Angular acceleration expressed in full rotations per second per second (1 rev/s² = 2π rad/s² ≈ 6. Radian per second squared and Revolution per second squared are both angular acceleration units, so conversion comes up whenever one source of information uses one unit and another uses the other — a classic cross-reference challenge in engineering, trade, travel, and everyday life.

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