Free velocity calculator to compute speed, distance, or time using the formula v = d/t. Supports multiple units with automatic conversions.
You might also find these calculators useful
Our free velocity calculator helps you solve physics problems involving speed, distance, and time. Whether you're calculating how fast something is moving, how far it traveled, or how long a journey takes, this tool provides instant results with unit conversions.
Velocity measures the rate of change of position with respect to time. Unlike speed (a scalar), velocity is a vector quantity that includes direction. The basic formula v = d/t relates velocity (v), distance (d), and time (t). This calculator handles average velocity calculations for practical applications.
Velocity Formula
v = d / t (Velocity = Distance / Time)Calculate velocity, distance, or time - whatever you need to find.
Support for metric, imperial, and nautical units with automatic conversions.
See the complete calculation process with unit conversions explained.
Compare your result to common speeds like walking, driving, or flying.
Calculate trip duration or required speed to arrive on time.
Solve kinematics problems for homework or exams.
Determine running pace, cycling speed, or swimming velocity.
Calculate ground speed, flight times, or nautical distances.
Speed is a scalar quantity measuring how fast something moves (magnitude only). Velocity is a vector that includes both magnitude and direction. A car going 60 mph north has a different velocity than one going 60 mph south, though both have the same speed.
To convert km/h to m/s, divide by 3.6. To convert m/s to km/h, multiply by 3.6. For example, 36 km/h = 10 m/s. Our calculator handles these conversions automatically.
In physics, SI units are standard: meters (m) for distance, seconds (s) for time, and meters per second (m/s) for velocity. However, km/h and mph are more common for everyday speeds.
This calculator handles constant velocity calculations (v = d/t). For acceleration problems involving changing velocity, you need additional equations like v = v₀ + at or d = v₀t + ½at².
The speed of light in vacuum is approximately 299,792,458 m/s (about 3 × 10⁸ m/s). This is the maximum speed at which information or matter can travel according to Einstein's theory of relativity.
The speed of sound in air at 20°C is about 343 m/s (1,235 km/h or 767 mph). This varies with temperature, humidity, and the medium. Sound travels faster in water (~1,480 m/s) and even faster in solids.