Distance divided by time.
Nautical mile per Hours to Mile per Days Converter — nmi/h to mi/d
Convert Nautical mile per Hours (nmi/h) to Mile per Days (mi/d) using the exact conversion factor (1 nautical mile per hours = 27.61870675 mile per days). See the formula, worked examples, and conversion table.
Nautical mile per Hours to Mile per Days converter
Converter
Speed Converter
Convert road, aviation, marine, lab, and scientific speed units.
Context values
Some unit families need one extra value for a physically accurate result.
Distance divided by time.
Result = input x 0.5144444444 / 0.01862666667.
Speed uses meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Nautical mile per Hours to Mile per Days
Nautical mile per Hours and Mile per Days both describe speed, and the conversion matters whenever a maritime or aviation speed (knots) needs to be compared against a road speed (mph). Both are distance divided by time units.
Formula
mile per days = nautical mile per hours × 27.6187067526
This factor comes from each unit's defined relationship to the category's base unit: 1 nautical mile per hours equals 0.514444444444 base units, and 1 mile per days equals 0.0186266666667 base units, so dividing one by the other gives the direct nautical mile per hours-to-mile per days factor of 27.6187067526.
Simple example
1 nmi/h × 27.61870675 = 27.61870675 mi/d
1 nautical mile per hours = 27.61870675 mile per days.
Real-world example
10 nmi/h × 27.61870675 = 276.1870675 mi/d
10 nautical mile per hours = 276.1870675 mile per days.
Conversion table
| Nautical mile per Hours (nmi/h) | Mile per Days (mi/d) |
|---|---|
| 1 nmi/h | 27.61870675 mi/d |
| 5 nmi/h | 138.0935338 mi/d |
| 10 nmi/h | 276.1870675 mi/d |
| 25 nmi/h | 690.4676688 mi/d |
| 50 nmi/h | 1,380.935338 mi/d |
| 100 nmi/h | 2,761.870675 mi/d |
Reverse conversion: Mile per Days to Nautical mile per Hours
27.61870675 mi/d × 0.03620734341 = 0.9999999999 nmi/h
27.61870675 mile per days = 0.9999999999 nautical mile per hours.
nautical mile per hours = mile per days × 0.0362073434125
For a page dedicated to this direction, see Mile per Days to Nautical mile per Hours.
Understanding the Nautical mile per Hours (nmi/h)
Distance divided by time.
Understanding the Mile per Days (mi/d)
Distance divided by time.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many mile per days are in 1 nautical mile per hours?
1 nautical mile per hours equals 27.61870675 mile per days, using the exact defined conversion factor rather than an estimate.
How do I convert nautical mile per hours to mile per days?
Multiply the nautical mile per hours value by 27.61870675. The converter above does this instantly to whatever precision you set.
How do I convert mile per days back to nautical mile per hours?
Use the reverse factor: 1 mile per days equals 0.0362073434 nautical mile per hours. You can also use the swap control in the converter above to flip the direction instantly.
What is a nautical mile per hours?
Nautical mile per Hours (nmi/h) is a unit of speed.
What is a mile per days?
Mile per Days (mi/d) is a unit of speed.
Is the nautical mile per hours to mile per days conversion exact?
Yes. Both nautical mile per hours and mile per days are defined by fixed standards rather than physical artifacts, so the factor of 27.61870675 used above is exact to as many digits as you choose to display.