Measure Distance at Constant Speed

Example: If you move at exactly 100 km/h for 16 seconds, you will cover 445 meters in this time. It takes approximately 2 minutes and 24 seconds to travel 4 kilometers with that speed. Of course, it is also possible to calculate speed. Using a stopwatch can be helpful if you don't know the time in advance.

Movement often occurs in such a way that the speed is not constant. However, also the expected average speed can be entered here. Whether this speed is actually maintained or reached in reality is, of course, a completely different question. An example of a movement that truly occurs at an almost constant speed is that of satellites in a stable orbit, since the speed varies only minimally due to the balance of gravity and centrifugal force.

The distance traveled at a constant speed is calculated as the product of speed and time (d = v * t). The unit of distance is determined by the chosen units for speed and time. Constant speed is an ideal case, as in practice factors such as friction or acceleration affect motion. When speed varies, the average speed is used instead, calculated as total distance divided by total time. Typical applications can be found in sports (calculating running distances), traffic (estimating distances), or physics experiments. More precise analyses often require more complex models that take acceleration or deceleration into account.

Physics commonly uses SI units. Here is a calculator to convert units.