What Is This Tool?
This tool converts angular velocity values from revolution per second (r/s), which counts complete rotations per second, to radian per second (rad/s), the SI unit measuring angular displacement rate in radians per second.
How to Use This Tool?
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Enter the angular velocity value in revolution/second (r/s)
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Select the input unit as revolution/second and output unit as radian/second
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Click the convert button to see the equivalent value in radian/second
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Review the result for use in engineering, physics, or control applications
Key Features
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Converts velocity angular units from revolution/second to radian/second
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Uses a precise conversion rate reflecting the relation between revolutions and radians
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Supports applications in physics, engineering, robotics, and scientific research
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Browser-based and user-friendly interface for quick conversions
Examples
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2 revolution/second equals 12.5663706144 radian/second
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0.5 revolution/second equals 3.1415926536 radian/second
Common Use Cases
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Specifying shaft speeds of electric motors and servos with per-second resolution
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Describing spin rates of devices like optical discs, flywheels, or turbomachinery during testing
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Reporting rotation frequencies of scientific instruments such as laboratory rotors or pulsars
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Applying angular velocity values in robotics, control systems, and vibration analysis
Tips & Best Practices
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Understand that revolution/second denotes full rotations while radian/second measures continuous angular displacement
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Use precise values of π for accurate conversions
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Apply converted values carefully in calculations requiring standard SI angular velocity units
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Consider the motion uniformity assumption when using this conversion
Limitations
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Revolution/second counts discrete rotations, while radian/second measures continuous angles
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The conversion depends on the exact value of π used
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The conversion assumes uniform circular motion and does not address angular acceleration changes
Frequently Asked Questions
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What does one revolution per second represent?
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It represents one full rotation around an axis per second, measuring how many complete turns occur each second.
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Why convert revolution/second to radian/second?
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Converting to radian/second provides an angular velocity in standard SI units, useful for precise physics and engineering calculations.
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Can this conversion be applied to non-uniform rotations?
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No, this conversion assumes uniform circular motion and does not account for changes in angular acceleration.
Key Terminology
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Revolution/second [r/s]
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A unit of angular speed representing one complete rotation about an axis per second, indicating the number of full revolutions made each second.
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Radian/second [rad/s]
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The SI derived unit for angular velocity measuring the rate of angular displacement in radians per second.