# Nautical mile per day conversions

speed conversions » nautical mile per day conversionsThe nautical mile per day conversion selector above selects the speed/velocity measurement unit to convert to starting from nautical miles per day (nmi/d). To make a conversion starting from a unit of speed other than nautical mile per day, simply click on the "Reset" button.

## What is nautical mile per day?

The **nautical mile per day** (or **nautical mile/day**) is a unit of speed equal to 0.021435 meters per second (1 nmi/day = 0.021435 m/s), the derived unit of speed in the International System of Units (SI). It is also equal to about 0.077167 kilometers per hour (km per h), or 0.047949 miles per hour (mph or mi/h) or 0.070325 feet per second (ft/s).

The speed is the distance traveled by an object during a period of time. Thus, nautical miles per day (or nautical miles/day) show how many nautical miles are traveled in one day. The nautical mile is a unit of length while the day is a unit of time.

The nautical mile per day is used in nautical and air navigation and in meteorology.

*Symbol:*

nmi/d

*Plural:*

nautical miles per day

## Nautical mile per day conversions: quick links

A list with conversions from nautical miles per day to other (metric, imperial, or customary) speed and velocity measurement units is given below.

- nautical mile per day to centimeter per second (nmi/d to cm/s)
- nautical mile per day to foot per hour (nmi/d to ft/h)
- nautical mile per day to foot per minute (nmi/d to ft/min)
- nautical mile per day to foot per second (nmi/d to ft/s)
- nautical mile per day to inch per hour (nmi/d to in/h)
- nautical mile per day to inch per minute (nmi/d to in/min)
- nautical mile per day to inch per second (nmi/d to in/s)
- nautical mile per day to kilometer per hour (nmi/d to km/h)
- nautical mile per day to kilometer per minute (nmi/d to km/min)
- nautical mile per day to kilometer per second (nmi/d to km/s)
- nautical mile per day to knot (nmi/d to kn)
- nautical mile per day to meter per hour (nmi/d to m/h)
- nautical mile per day to meter per minute (nmi/d to m/min)
- nautical mile per day to meter per second (nmi/d to m/s)
- nautical mile per day to micrometer per second (nmi/d to μm/s)
- nautical mile per day to mile per hour (nmi/d to mph)
- nautical mile per day to mile per minute (nmi/d to mpm)
- nautical mile per day to mile per second (nmi/d to mps)
- nautical mile per day to millimeter per second (nmi/d to mm/s)
- nautical mile per day to nautical mile per hour (nmi/d to nmi/h)
- nautical mile per day to speed of light (nmi/d to c)
- nautical mile per day to speed of sound
- nautical mile per day to walking speed