Distance divided by time.
Foot per Days to Millimeter per Minutes Converter — ft/d to mm/min
Convert Foot per Days (ft/d) to Millimeter per Minutes (mm/min) using the exact conversion factor (1 foot per days = 0.2116666667 millimeter per minutes). See the formula, worked examples, and conversion table.
Foot per Days to Millimeter per Minutes 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 / 1.66666667e-5.
Speed uses meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Foot per Days to Millimeter per Minutes
Foot per Days and Millimeter per Minutes 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
millimeter per minutes = foot per days × 0.211666666667
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 millimeter per minutes equals 0.0000166666666667 base units, so dividing one by the other gives the direct foot per days-to-millimeter per minutes factor of 0.211666666667.
Simple example
1 ft/d × 0.2116666667 = 0.2116666667 mm/min
1 foot per days = 0.2116666667 millimeter per minutes.
Real-world example
10 ft/d × 0.2116666667 = 2.116666667 mm/min
10 foot per days = 2.116666667 millimeter per minutes.
Conversion table
| Foot per Days (ft/d) | Millimeter per Minutes (mm/min) |
|---|---|
| 1 ft/d | 0.2116666667 mm/min |
| 5 ft/d | 1.058333333 mm/min |
| 10 ft/d | 2.116666667 mm/min |
| 25 ft/d | 5.291666667 mm/min |
| 50 ft/d | 10.58333333 mm/min |
| 100 ft/d | 21.16666667 mm/min |
Reverse conversion: Millimeter per Minutes to Foot per Days
0.2116666667 mm/min × 4.724409449 = 1 ft/d
0.2116666667 millimeter per minutes = 1 foot per days.
foot per days = millimeter per minutes × 4.72440944882
For a page dedicated to this direction, see Millimeter per Minutes to Foot per Days.
Understanding the Foot per Days (ft/d)
Distance divided by time.
Understanding the Millimeter per Minutes (mm/min)
Distance divided by time.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many millimeter per minutes are in 1 foot per days?
1 foot per days equals 0.2116666667 millimeter per minutes, using the exact defined conversion factor rather than an estimate.
How do I convert foot per days to millimeter per minutes?
Multiply the foot per days value by 0.2116666667. The converter above does this instantly to whatever precision you set.
How do I convert millimeter per minutes back to foot per days?
Use the reverse factor: 1 millimeter per minutes equals 4.724409449 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 millimeter per minutes?
Millimeter per Minutes (mm/min) is a unit of speed.
Is the foot per days to millimeter per minutes conversion exact?
Yes. Both foot per days and millimeter per minutes are defined by fixed standards rather than physical artifacts, so the factor of 0.2116666667 used above is exact to as many digits as you choose to display.