Distance divided by time.
Foot per Days to Nautical mile per Hours Converter — ft/d to nmi/h
Convert Foot per Days (ft/d) to Nautical mile per Hours (nmi/h) using the exact conversion factor (1 foot per days = 0.0000068575 nautical mile per hours). See the formula, worked examples, and conversion table.
Foot per Days to Nautical mile per Hours 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 3.52777778e-6 / 0.5144444444.
Speed uses meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Foot per Days to Nautical mile per Hours
Foot per Days and Nautical mile per Hours 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
nautical mile per hours = foot per days × 0.00000685745140389
This factor comes from each unit's defined relationship to the category's base unit: 1 foot per days equals 0.00000352777777778 base units, and 1 nautical mile per hours equals 0.514444444444 base units, so dividing one by the other gives the direct foot per days-to-nautical mile per hours factor of 0.00000685745140389.
Simple example
1 ft/d × 0.000006857451404 = 0.0000068575 nmi/h
1 foot per days = 0.0000068575 nautical mile per hours.
Real-world example
10 ft/d × 0.000006857451404 = 0.0000685745 nmi/h
10 foot per days = 0.0000685745 nautical mile per hours.
Conversion table
| Foot per Days (ft/d) | Nautical mile per Hours (nmi/h) |
|---|---|
| 1 ft/d | 0.0000068575 nmi/h |
| 5 ft/d | 0.0000342873 nmi/h |
| 10 ft/d | 0.0000685745 nmi/h |
| 25 ft/d | 0.0001714363 nmi/h |
| 50 ft/d | 0.0003428726 nmi/h |
| 100 ft/d | 0.0006857451 nmi/h |
Reverse conversion: Nautical mile per Hours to Foot per Days
0.0000068575 nmi/h × 145826.7717 = 1.000007087 ft/d
0.0000068575 nautical mile per hours = 1.000007087 foot per days.
foot per days = nautical mile per hours × 145826.771654
For a page dedicated to this direction, see Nautical mile per Hours to Foot per Days.
Understanding the Foot per Days (ft/d)
Distance divided by time.
Understanding the Nautical mile per Hours (nmi/h)
Distance divided by time.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many nautical mile per hours are in 1 foot per days?
1 foot per days equals 0.0000068575 nautical mile per hours, using the exact defined conversion factor rather than an estimate.
How do I convert foot per days to nautical mile per hours?
Multiply the foot per days value by 0.000006857451404. The converter above does this instantly to whatever precision you set.
How do I convert nautical mile per hours back to foot per days?
Use the reverse factor: 1 nautical mile per hours equals 145,826.7717 foot per days. You can also use the swap control in the converter above to flip the direction instantly.
What is a foot per days?
Foot per Days (ft/d) is a unit of speed.
What is a nautical mile per hours?
Nautical mile per Hours (nmi/h) is a unit of speed.
Is the foot per days to nautical mile per hours conversion exact?
Yes. Both foot per days and nautical mile per hours are defined by fixed standards rather than physical artifacts, so the factor of 0.000006857451404 used above is exact to as many digits as you choose to display.