What Is This Tool?
This converter transforms speeds expressed in foot/minute, an imperial speed unit, into millimeter/minute, a metric unit used for very precise and slow linear motion. It is designed to support engineering, manufacturing, and laboratory applications.
How to Use This Tool?
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Enter the speed value in foot/minute (ft/min)
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Select the unit from the provided options if necessary
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Click the convert button to see the equivalent speed in millimeter/minute (mm/min)
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Review the calculation and use the result for engineering or manufacturing purposes
Key Features
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Converts foot/minute (ft/min) to millimeter/minute (mm/min) with a fixed conversion rate
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Supports speed measures commonly used in building, manufacturing, HVAC, CNC machining, and laboratory equipment
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Browser-based and easy to use for quick unit translation
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Includes practical examples to guide conversions
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Helps bridge imperial and metric speed units for precise motion control
Examples
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2 ft/min equals 2 × 304.8 = 609.6 mm/min
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0.5 ft/min equals 0.5 × 304.8 = 152.4 mm/min
Common Use Cases
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Specifying elevator travel speeds in building services using ft/min and converting to mm/min for precision
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Setting and measuring conveyor belt speeds in manufacturing environments requiring metric units
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Defining feed rates in G‑code for CNC machines and 3D printers that use mm/min units
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Controlling motorized linear stages for microscopy and optical alignment with precise slow motion
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Adjusting speeds for inspection lines and laboratory equipment where slow conveyance is required
Tips & Best Practices
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Ensure the speed value entered represents a constant velocity without acceleration
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Be aware that foot/minute is suited for moderate speeds while mm/min is intended for highly precise slow motion
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Check if fractional millimeter conversions require rounding to match application accuracy
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Use converted values as part of calibration and documentation processes to maintain consistency
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Understand the context of the measurement to apply the conversion meaningfully
Limitations
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Conversion assumes constant velocity and does not factor in acceleration
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Rounding errors may occur due to fractional millimeter per minute rates
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Foot/minute fits moderate speeds, whereas millimeter/minute targets very slow precision motion; not all conversions translate perfectly without context
Frequently Asked Questions
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What does foot/minute measure?
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Foot/minute measures linear speed in imperial units, representing how many feet are traveled each minute. It is commonly used for moderate speed measurements in engineering and building contexts.
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Why convert foot/minute to millimeter/minute?
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Conversion allows translating speeds from an imperial system used in building and industrial settings to a metric system necessary for precise motion control in CNC machining, 3D printing, and laboratory instruments.
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Is the conversion exact for all applications?
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The conversion uses a fixed rate but assumes constant velocity and might require rounding for fractional precision. Different use cases may need additional context to apply the converted speeds properly.
Key Terminology
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foot/minute [ft/min]
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An imperial speed unit representing the distance of one foot traveled in one minute, often used for moderate speeds in building and industrial applications.
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millimeter/minute [mm/min]
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A metric unit of speed indicating one millimeter displacement per minute, commonly applied in precise and slow linear motion controls such as CNC machining and laboratory equipment.
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Conversion Rate
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The fixed multiplier used to translate a measurement from one unit to another; here, 1 ft/min equals 304.8 mm/min.