Nautical Miles per Day to Miles per Second
Convert nautical miles per day (nmi/d) to miles per second (mi/s) instantly. Free online speed converter with formulas, tables and examples.
Reserved for a responsive leaderboard above the conversion details.
Professional calculator style
World-scale conversion engine
30+ categories
6,500+ units
Instant results
Offline ready
Converter
Length Converter
Convert metric, imperial, and nautical distance units.
Context values
Some unit families need one extra value for a physically accurate result.
Use the converter to see the formula.
Results update instantly for Nautical Miles per Day to Miles per Second conversions.
Reserved above the conversion cards and below the converter.
Formula
mi/s = nmi/d × 0.000013
nmi/d = mi/s × 75079.5473
Conversion table
| 1 nmi/d | 0.000013 mi/s |
| 5 nmi/d | 0.000067 mi/s |
| 10 nmi/d | 0.000133 mi/s |
| 20 nmi/d | 0.000266 mi/s |
| 50 nmi/d | 0.000666 mi/s |
| 100 nmi/d | 0.001332 mi/s |
| 500 nmi/d | 0.006660 mi/s |
| 1000 nmi/d | 0.013319 mi/s |
Related conversions
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
What is the source unit in this conversion?
The source unit is nautical miles per day (nmi/d), a unit of speed equal to the distance in nautical miles covered every day.
What is the destination unit in this conversion?
The destination unit is miles per second (mi/s), a unit of speed equal to the distance in miles covered every second.
How do I convert nautical miles per day to miles per second?
Multiply the nautical miles per day value by 0.000013 to get miles per second. For example, 100 nmi/d × 0.000013 = 0.001332 mi/s.
Is the nautical miles per day to miles per second conversion exact?
Both units are defined using fixed conversion constants, so the results shown are calculated with full precision.
Where is this conversion commonly used?
It is used across transportation, sports timing, engineering, and scientific contexts where speeds need to be compared between nautical miles per day and miles per second.
Can I convert miles per second back to nautical miles per day?
Yes. Divide by 0.000013 (or multiply by 75079.5473) to convert back, or use the miles per second to nautical miles per day converter directly.
Reserved between the FAQ and the article so the page stays balanced.
About this conversion
This page converts nautical miles per day (nmi/d) into miles per second (mi/s), two units used to express speed or velocity.
Nautical Miles per Day is a unit of speed equal to the distance in nautical miles covered every day, while miles per second is a unit of speed equal to the distance in miles covered every second.
This conversion helps travelers, engineers, scientists, and enthusiasts compare speeds expressed in different measurement systems.
The formula is mi/s = nmi/d × 0.000013, based on the fixed relationship between these two speed units.
Use the calculator above for instant results, or refer to the conversion table for common reference values.