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Speed converter

mile per second to nautical mile per second

Convert mile per second (mi/s) to nautical mile per second (nmi/s). Use an editable speed converter, conversion formula, and reference table.

0.8689762419

1 mi/s = 0.8689762419 nmi/s

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Conversion formula

nmi/s = mi/s × 0.8689762419

One mile per second equals 0.8689762419 nautical mile per second. Multiply your value in mile per second by this factor to get nautical mile per second. For the reverse conversion, divide by the same factor.

Worked example

To convert 5 mile per second:
5 × 0.8689762419 = 4.34488121 nmi/s

Conversion table

mile per second (mi/s)nautical mile per second (nmi/s)
0.010.008689762419
0.10.08689762419
10.8689762419
21.737952484
54.34488121
108.689762419
2521.72440605
5043.4488121
10086.89762419
1000868.9762419

About these measurements

Speed is distance traveled per unit of time.

The base reference used here is the meter per second. One mile per second is 1,609.344 base units; one nautical mile per second is 1,852 base units.

Important distinctions

Mach is excluded because the speed of sound depends on medium and temperature.

Precision

The converter uses stored conversion factors and floating-point arithmetic. Results display up to ten significant digits, switching to scientific notation for very small or large values. Keep the precision of your original measurement when reporting results.

Common questions

How do I convert mi/s to nmi/s?

Multiply the quantity in mi/s by 0.8689762419. You can also type the value into the converter above.

Can I reverse the conversion?

Yes. Use the swap button or open the nautical mile per second to mile per second converter.

Reference

NIST Guide to the SI — conversion factors and prefix conventions. SI prefixes scale units by powers of ten; the dimension-specific notes above describe the assumptions used on this page.

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