What Is This Tool?
This unit converter helps you transform speed values between foot/second (ft/s) and kilometer/hour (km/h). It enables easy translation of measurements from US customary and Imperial systems to a metric system unit widely used internationally.
How to Use This Tool?
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Enter the speed value in foot/second (ft/s) you want to convert
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Select foot/second as the input unit and kilometer/hour as the output unit
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Click the convert button to get the equivalent speed in kilometer/hour (km/h)
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View and use the converted speed for your specific application
Key Features
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Converts speed values from foot/second (ft/s) to kilometer/hour (km/h)
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Uses the precise conversion rate of 1 ft/s = 1.09728 km/h
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Supports applications in ballistics, engineering, automotive, and meteorology
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Browser-based and simple to use for quick calculations
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Facilitates comparison of speed data across different measurement systems
Examples
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Convert 5 ft/s: 5 × 1.09728 = 5.4864 km/h
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Convert 10 ft/s: 10 × 1.09728 = 10.9728 km/h
Common Use Cases
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Specifying projectile or muzzle velocities in ballistics and firearms
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Measuring air or fluid velocities in engineering applications like HVAC systems
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Reporting road speed limits and vehicle speedometer readings
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Traffic planning and estimating travel times for journeys
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Recording wind speeds in weather reports and speeds in fitness devices
Tips & Best Practices
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Verify unit selection before conversion to ensure accurate results
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Use this converter for consistent data comparison across metric and imperial systems
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Be aware of rounding differences in cases requiring high precision
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Understand that conversion assumes steady speeds without acceleration
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Apply converted values carefully in scientific or engineering contexts
Limitations
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The conversion assumes uniform speed without accounting for acceleration
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Foot/second is less commonly used globally, requiring conversions for compatibility
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Some rounding errors may occur in precise calculations when switching units
Frequently Asked Questions
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What does foot/second measure?
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Foot/second (ft/s) is a speed unit representing one foot traveled every second and is used mainly in US customary and Imperial systems.
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Why convert foot/second to kilometer/hour?
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Conversion helps translate speeds from US customary units to the metric system commonly used worldwide, aiding compatibility in automotive, meteorology, and engineering fields.
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What is the exact conversion rate between ft/s and km/h?
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One foot/second is equal to 1.09728 kilometers per hour.
Key Terminology
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Foot/second (ft/s)
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A speed unit from US customary and Imperial systems indicating one foot traveled per second.
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Kilometer/hour (km/h)
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A metric speed unit representing the number of kilometers traveled in one hour, commonly used worldwide.
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Conversion Rate
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The numerical factor used to translate a measurement from one unit to another, here 1 ft/s equals 1.09728 km/h.