Distance divided by time.
Nautical mile per Hours to Foot per Days Converter — nmi/h to ft/d
Convert Nautical mile per Hours (nmi/h) to Foot per Days (ft/d) using the exact conversion factor (1 nautical mile per hours = 145,826.7717 foot per days). See the formula, worked examples, and conversion table.
Nautical mile per Hours to Foot 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 0.5144444444 / 3.52777778e-6.
Speed uses meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Nautical mile per Hours to Foot per Days
Nautical mile per Hours and Foot 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
foot per days = nautical mile per hours × 145826.771654
This factor comes from each unit's defined relationship to the category's base unit: 1 nautical mile per hours equals 0.514444444444 base units, and 1 foot per days equals 0.00000352777777778 base units, so dividing one by the other gives the direct nautical mile per hours-to-foot per days factor of 145826.771654.
Simple example
1 nmi/h × 145826.7717 = 145,826.7717 ft/d
1 nautical mile per hours = 145,826.7717 foot per days.
Real-world example
10 nmi/h × 145826.7717 = 1,458,267.717 ft/d
10 nautical mile per hours = 1,458,267.717 foot per days.
Conversion table
| Nautical mile per Hours (nmi/h) | Foot per Days (ft/d) |
|---|---|
| 1 nmi/h | 145,826.7717 ft/d |
| 5 nmi/h | 729,133.8583 ft/d |
| 10 nmi/h | 1,458,267.717 ft/d |
| 25 nmi/h | 3,645,669.291 ft/d |
| 50 nmi/h | 7,291,338.583 ft/d |
| 100 nmi/h | 14,582,677.17 ft/d |
Reverse conversion: Foot per Days to Nautical mile per Hours
1 ft/d × 0.000006857451404 = 0.0000068575 nmi/h
1 foot per days = 0.0000068575 nautical mile per hours.
nautical mile per hours = foot per days × 0.00000685745140389
For a page dedicated to this direction, see Foot per Days to Nautical mile per Hours.
Understanding the Nautical mile per Hours (nmi/h)
Distance divided by time.
Understanding the Foot per Days (ft/d)
Distance divided by time.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many foot per days are in 1 nautical mile per hours?
1 nautical mile per hours equals 145,826.7717 foot per days, using the exact defined conversion factor rather than an estimate.
How do I convert nautical mile per hours to foot per days?
Multiply the nautical mile per hours value by 145826.7717. The converter above does this instantly to whatever precision you set.
How do I convert foot per days back to nautical mile per hours?
Use the reverse factor: 1 foot per days equals 0.0000068575 nautical mile per hours. You can also use the swap control in the converter above to flip the direction instantly.
What is a nautical mile per hours?
Nautical mile per Hours (nmi/h) is a unit of speed.
What is a foot per days?
Foot per Days (ft/d) is a unit of speed.
Is the nautical mile per hours to foot per days conversion exact?
Yes. Both nautical mile per hours and foot per days are defined by fixed standards rather than physical artifacts, so the factor of 145826.7717 used above is exact to as many digits as you choose to display.