The inch per second is a unit of speed or velocity. It expresses the distance in inches (in) traveled or displaced, divided by time in seconds (s). The corresponding coherent SI unit is the metre per second.

Abbreviations include in/s, ips, and less frequently, in⋅s−1.

Conversions

1inch per second is:

1. =0.0254metres per second (exactly)

2. = or 0.083feet per second (exactly)

3. = or 0.05681miles per hour (exactly)

4. =0.09144kilometres per hour (exactly)

Conversion to inches per second:

1. 1metre per second ≈ 39.370079inches per second (approximately)

2. 1foot per second = 12inches per second (exactly)

3. 1mile per hour = 17.6inches per second (exactly)

4. 1kilometre per hour ≈ 10.936133inches per second (approximately)

Uses

In magnetic tape sound recording, magnetic tape speed is often quoted in inches per second (abbreviated "ips").

In computer mice sensitivity is also often referred to in inches per second (abbreviated as "ips").

In rotorcraft health monitoring, rotor and shaft induced vibration levels are often quoted in inches per second.

References