Distance divided by time.
Mile per Days to Foot per Days Converter — mi/d to ft/d
Convert Mile per Days (mi/d) to Foot per Days (ft/d) using the exact conversion factor (1 mile per days = 5,280 foot per days). See the formula, worked examples, and conversion table.
Mile per Days 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 0.01862666667 / 3.52777778e-6.
Speed uses meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Mile per Days to Foot per Days
Mile per Days 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 = mile per days × 5280
This factor comes from each unit's defined relationship to the category's base unit: 1 mile per days equals 0.0186266666667 base units, and 1 foot per days equals 0.00000352777777778 base units, so dividing one by the other gives the direct mile per days-to-foot per days factor of 5280.
Simple example
1 mi/d × 5280 = 5,280 ft/d
1 mile per days = 5,280 foot per days.
Real-world example
10 mi/d × 5280 = 52,800 ft/d
10 mile per days = 52,800 foot per days.
Conversion table
| Mile per Days (mi/d) | Foot per Days (ft/d) |
|---|---|
| 1 mi/d | 5,280 ft/d |
| 5 mi/d | 26,400 ft/d |
| 10 mi/d | 52,800 ft/d |
| 25 mi/d | 132,000 ft/d |
| 50 mi/d | 264,000 ft/d |
| 100 mi/d | 528,000 ft/d |
Reverse conversion: Foot per Days to Mile per Days
1 ft/d × 0.0001893939394 = 0.0001893939 mi/d
1 foot per days = 0.0001893939 mile per days.
mile per days = foot per days × 0.000189393939394
For a page dedicated to this direction, see Foot per Days to Mile per Days.
Understanding the Mile per Days (mi/d)
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 mile per days?
1 mile per days equals 5,280 foot per days, using the exact defined conversion factor rather than an estimate.
How do I convert mile per days to foot per days?
Multiply the mile per days value by 5280. The converter above does this instantly to whatever precision you set.
How do I convert foot per days back to mile per days?
Use the reverse factor: 1 foot per days equals 0.0001893939 mile per days. You can also use the swap control in the converter above to flip the direction instantly.
What is a mile per days?
Mile per Days (mi/d) is a unit of speed.
What is a foot per days?
Foot per Days (ft/d) is a unit of speed.
Is the mile per days to foot per days conversion exact?
Yes. Both mile per days and foot per days are defined by fixed standards rather than physical artifacts, so the factor of 5280 used above is exact to as many digits as you choose to display.