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Convert Between Units of Speed

Speed and velocity conversions are common in transportation, fluids, and equipment specifications.

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About Speed Conversions

Helpful context and notes for converting Speed units.

Speed and velocity conversions are common in transportation, fluids, and equipment specifications.

Velocity values may be reported in mph, ft/s, m/s, or km/h depending on application.

Velocity units may imply direction or reference frame. Confirm assumptions when converting for analysis.

Frequently Asked Questions

Speed and velocity conversions are exact when unit definitions are applied correctly.

Yes, for reference and checking, but final analyses should be reviewed independently.

Speed describes magnitude only, while velocity includes direction.

Transportation, fluids, and physics often use different units depending on context.

No. Speed and acceleration represent different physical quantities.

Fun Fact

A 'mouthful' is about 28 millilitres of liquid – roughly 0.028 liters. Just enough to sip politely, not enough to choke when someone cracks a joke.

How many Dry Quarts is 0.028 liter?

Source

Supported Units

Common and engineering-specific units supported for this conversion.

  • admkn (Admirality Knots)
  • cm/s (centimeters/second)
  • dam/s (decameters/second)
  • dm/s (decimeters/second)
  • fps (Feet per Seconds)
  • Gm/s (gigameters/second)
  • hm/s (hectometers/second)
  • kph (Kilometer per Hours)
  • km/s (kilometers/second)
  • knot (Knots)
  • Mm/s (megameters/second)
  • m/s (meters/second)
  • μm/s (micrometers/second)
  • mph (Mile per Hours)
  • mm/s (millimeters/second)
  • nm/s (nanometers/second)
  • pm/s (picometers/second)
  • c (Speed of Lights)
  • Tm/s (terameters/second)