What Is This Tool?
This converter allows users to transform angular velocity values measured in revolutions per hour into degrees per day. It is particularly useful for interpreting slow rotational speeds over extended periods, common in astronomy, geoscience, and industrial monitoring.
How to Use This Tool?
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Enter the value in revolution/hour that you want to convert.
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Select the 'revolution/hour [r/h]' as the input unit.
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Choose 'degree/day [°/d]' as the output unit.
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Click convert to get the equivalent angular velocity in degrees per day.
Key Features
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Converts angular velocity from revolution/hour (r/h) to degree/day (°/d).
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Browser-based and simple to use with no installation needed.
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Supports applications in astronomy, geoscience, and industrial equipment monitoring.
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Quickly calculates daily angular displacement from hourly rotation data.
Examples
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Convert 2 r/h: 2 × 8640 = 17280 °/d
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Convert 0.5 r/h: 0.5 × 8640 = 4320 °/d
Common Use Cases
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Specifying slow angular velocities for solar-tracker or antenna azimuth/elevation mounts.
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Monitoring rotational rates of industrial equipment like rotary kilns and large mixers.
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Reporting planetary or satellite rotation rates over long durations in astronomy or geoscience.
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Tracking spacecraft attitude drift or instrument tracking rates for slowly moving celestial objects.
Tips & Best Practices
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Ensure the rotational speed is fairly constant during the hour and day periods for accurate conversion.
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Use this conversion for slow rotations where hourly and daily averages are appropriate.
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Double-check input values and units before performing the conversion to avoid errors.
Limitations
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Conversion assumes steady rotation over the entire hour and day periods.
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Less suitable for variable speeds or very high-frequency rotations requiring finer time resolution.
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Not intended for instantaneous or sub-hourly angular velocity variations.
Frequently Asked Questions
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What does revolution/hour measure?
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Revolution/hour measures how many complete 360° turns occur each hour, indicating the angular velocity of a rotating object.
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Why convert from revolution/hour to degree/day?
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Converting to degree/day expresses slow angular displacement over a 24-hour period, which is useful for long-term tracking in astronomy, spacecraft navigation, or industrial equipment.
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Is this conversion accurate for fast-spinning objects?
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No, this conversion is suited for slow rotations. It assumes steady speeds and is less precise for high-frequency or variable-speed rotations.
Key Terminology
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Revolution/hour [r/h]
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A unit of angular velocity indicating complete 360° rotations occurring per hour.
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Degree/day [°/d]
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An angular velocity unit expressing the number of degrees rotated over a full 24-hour period.
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Angular Velocity
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The rate at which an object rotates or spins, measured in units like r/h or °/d.