Online Speed Units Converter
How to Convert from Foot/second [ft/s] to Millimeter/hour [mm/h]?

How to Convert from Foot/second [ft/s] to Millimeter/hour [mm/h]?

Learn how to convert speed from foot per second (ft/s) to millimeter per hour (mm/h), including definitions, examples, and common use cases for this unit conversion.

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Foot/second [ft/s] to Millimeter/hour [mm/h] Conversion Table

Foot/second [ft/s] Millimeter/hour [mm/h]

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.
Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.
Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.
Foot/second [ft/s] to Millimeter/hour [mm/h] Conversion Table
Foot/second [ft/s] Millimeter/hour [mm/h]

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What Is This Tool?

This unit converter transforms speed values from foot/second, an imperial speed unit, into millimeter/hour, a metric unit used for very slow linear rates. It helps convert fast speeds into much slower rates relevant in various fields.

How to Use This Tool?

  • Enter the speed value in foot/second (ft/s)
  • Select the unit to convert to millimeter/hour (mm/h)
  • Click the convert button to see the result
  • Review the output expressed in millimeter/hour units

Key Features

  • Converts speeds from foot/second (ft/s) to millimeter/hour (mm/h)
  • Supports understanding across different measurement systems
  • Includes common use cases and example conversions
  • Browser-based and easy to operate
  • Useful for fields like meteorology, engineering, and material sciences

Examples

  • 2 ft/s equals 2 × 1097280 = 2194560 mm/h
  • 0.5 ft/s equals 0.5 × 1097280 = 548640 mm/h

Common Use Cases

  • Specifying projectile or muzzle velocities in ballistics and firearms using foot/second
  • Measuring precipitation intensity where rainfall depth is expressed in millimeters per hour
  • Calculating material deposition or corrosion rates over time in manufacturing
  • Monitoring slow ground movements or subsidence in geotechnical engineering

Tips & Best Practices

  • Ensure input values are accurate to avoid large errors after conversion
  • Use this conversion primarily to translate fast speeds into very slow linear rates
  • Interpret results carefully due to the large conversion factor involved
  • Apply the tool in contexts like meteorology or engineering where differing speed scales need bridging

Limitations

  • The large conversion factor makes this practical mostly for converting fast speeds to very slow rates
  • Slight inaccuracies in foot/second inputs can cause significant discrepancies in millimeter/hour values
  • Not suitable for comparing speeds that are close in magnitude due to scale differences

Frequently Asked Questions

What does foot/second [ft/s] measure?
Foot per second is a speed unit in the US customary and Imperial systems, defined as one foot traveled in one second, exactly 0.3048 metres per second.

When is millimeter/hour [mm/h] used?
Millimeter per hour is used to express very slow linear speeds, such as precipitation intensity, material deposition rates, or slow movements in engineering.

Why use this conversion between ft/s and mm/h?
To translate fast speeds in imperial units into extremely slow rates suitable for specific applications like rainfall measurement or material corrosion monitoring.

Key Terminology

Foot/second [ft/s]
A speed unit representing one foot traveled in one second, used in the US customary and Imperial systems.
Millimeter/hour [mm/h]
A speed unit indicating a length change of one millimeter occurring every hour, used for very slow motions or changes.
Conversion Rate
The factor used to convert one unit of speed into another; here, 1 ft/s equals 1,097,280 mm/h.

Quick Knowledge Check

Which unit measures very slow linear rates, such as rainfall intensity?
What is the exact equivalence of 1 foot/second in millimeter/hour?
In which field might you use ft/s when measuring velocity?