Distance divided by time.
Nautical mile per Days to Mile per Days Converter — nmi/d to mi/d
Convert Nautical mile per Days (nmi/d) to Mile per Days (mi/d) using the exact conversion factor (1 nautical mile per days = 1.150779448 mile per days). See the formula, worked examples, and conversion table.
Nautical mile per Days 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 0.02143518519 / 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 Days to Mile per Days
Nautical mile per Days 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 days × 1.15077944802
This factor comes from each unit's defined relationship to the category's base unit: 1 nautical mile per days equals 0.0214351851852 base units, and 1 mile per days equals 0.0186266666667 base units, so dividing one by the other gives the direct nautical mile per days-to-mile per days factor of 1.15077944802.
Simple example
1 nmi/d × 1.150779448 = 1.150779448 mi/d
1 nautical mile per days = 1.150779448 mile per days.
Real-world example
10 nmi/d × 1.150779448 = 11.50779448 mi/d
10 nautical mile per days = 11.50779448 mile per days.
Conversion table
| Nautical mile per Days (nmi/d) | Mile per Days (mi/d) |
|---|---|
| 1 nmi/d | 1.150779448 mi/d |
| 5 nmi/d | 5.75389724 mi/d |
| 10 nmi/d | 11.50779448 mi/d |
| 25 nmi/d | 28.7694862 mi/d |
| 50 nmi/d | 57.5389724 mi/d |
| 100 nmi/d | 115.0779448 mi/d |
Reverse conversion: Mile per Days to Nautical mile per Days
1.150779448 mi/d × 0.8689762419 = 1 nmi/d
1.150779448 mile per days = 1 nautical mile per days.
nautical mile per days = mile per days × 0.868976241901
For a page dedicated to this direction, see Mile per Days to Nautical mile per Days.
Understanding the Nautical mile per Days (nmi/d)
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 days?
1 nautical mile per days equals 1.150779448 mile per days, using the exact defined conversion factor rather than an estimate.
How do I convert nautical mile per days to mile per days?
Multiply the nautical mile per days value by 1.150779448. The converter above does this instantly to whatever precision you set.
How do I convert mile per days back to nautical mile per days?
Use the reverse factor: 1 mile per days equals 0.8689762419 nautical mile per days. You can also use the swap control in the converter above to flip the direction instantly.
What is a nautical mile per days?
Nautical mile per Days (nmi/d) 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 days to mile per days conversion exact?
Yes. Both nautical mile per days and mile per days are defined by fixed standards rather than physical artifacts, so the factor of 1.150779448 used above is exact to as many digits as you choose to display.