Nautical Miles to Feet Converter

Nautical Miles to Feet

Convert nautical miles (nmi) to feet (ft). Both measure distance and dimension, and the conversion comes up in construction, navigation, sports work.

The Formula

`` feet = nautical miles × 6076.11548556 nautical miles = feet × 0.000164578833693 `

One nautical mile is 6,076.12 feet, and one foot is 1.6458e-4 nautical miles.

Conversion Table

Nautical Miles	Feet
1 nmi	6,076.12 ft
2 nmi	12,152.23 ft
5 nmi	30,380.58 ft
10 nmi	60,761.15 ft
25 nmi	151,902.89 ft
50 nmi	303,805.77 ft
100 nmi	607,611.55 ft
500 nmi	3,038,057.74 ft
1,000 nmi	6,076,115.49 ft

The Other Direction

Feet	Nautical Miles
1 ft	1.6458e-4 nmi
2 ft	3.2916e-4 nmi
5 ft	8.2289e-4 nmi
10 ft	0.001646 nmi
25 ft	0.004114 nmi
50 ft	0.008229 nmi
100 ft	0.016458 nmi
500 ft	0.082289 nmi
1,000 ft	0.164579 nmi

What Each Unit Is

Nautical Miles (nmi) — exactly 1,852 metres. One minute of latitude along a meridian, which is why it is the unit of sea and air navigation.

Feet (ft) — exactly 0.3048 metres, or one third of a yard. A human foot, standardised across centuries of conflicting local definitions.

A Sense of Scale

• One knot is one nautical mile per hour
• A nautical mile is about 15% longer than a statute mile
• A ceiling is 8–9 ft
• Aviation altitude is always in feet
• A door is about 6.7 ft

Precision

The factor 6076.11548556 is rounded. For engineering work carry more digits than the table above, and round only at the end — rounding at each step compounds.

Watch Out For

• A nautical mile is not a statute mile. Mixing them up understates a distance by roughly 15%.

In Code

`javascript const nauticalMileToFoot = (value) => value * 6076.11548556; ``

Where This Conversion Comes Up

• Construction
• Navigation
• Sports
• Sewing
• Mapping

How Many Decimals Do You Need?

Rounding the factor costs accuracy, and how much depends on the factor. Converting 137 nmi with the factor truncated at each decimal place:

Decimals kept	Factor	137 nmi becomes	Error
0	6076	832,412	0.0019%
1	6076.1	832,425.7	0.0003%
2	6076.12	832,428.44	—
3	6076.115	832,427.76	—
4	6076.1155	832,427.82	—

A rule that holds for any conversion: round once, at the end. Rounding the factor and then multiplying compounds the error through every subsequent calculation, while carrying full precision and rounding the final answer does not.

The right number of significant figures is set by your input, not by the converter. If you measured nautical miles to three significant figures, the answer in feet is only good to three — writing more digits claims precision the measurement never had.