Distance divided by time.
Foot per Minutes to Millimeter per Days Converter — ft/min to mm/d
Convert Foot per Minutes (ft/min) to Millimeter per Days (mm/d) using the exact conversion factor (1 foot per minutes = 438,912 millimeter per days). See the formula, worked examples, and conversion table.
Foot per Minutes to Millimeter 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 0.00508 / 1.15740741e-8.
Speed uses meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Foot per Minutes to Millimeter per Days
Foot per Minutes and Millimeter 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
millimeter per days = foot per minutes × 438912
This factor comes from each unit's defined relationship to the category's base unit: 1 foot per minutes equals 0.00508 base units, and 1 millimeter per days equals 1.157407e-8 base units, so dividing one by the other gives the direct foot per minutes-to-millimeter per days factor of 438912.
Simple example
1 ft/min × 438912 = 438,912 mm/d
1 foot per minutes = 438,912 millimeter per days.
Real-world example
10 ft/min × 438912 = 4,389,120 mm/d
10 foot per minutes = 4,389,120 millimeter per days.
Conversion table
| Foot per Minutes (ft/min) | Millimeter per Days (mm/d) |
|---|---|
| 1 ft/min | 438,912 mm/d |
| 5 ft/min | 2,194,560 mm/d |
| 10 ft/min | 4,389,120 mm/d |
| 25 ft/min | 10,972,800 mm/d |
| 50 ft/min | 21,945,600 mm/d |
| 100 ft/min | 43,891,200 mm/d |
Reverse conversion: Millimeter per Days to Foot per Minutes
1 mm/d × 0.000002278361038 = 0.0000022784 ft/min
1 millimeter per days = 0.0000022784 foot per minutes.
foot per minutes = millimeter per days × 0.0000022783610382
For a page dedicated to this direction, see Millimeter per Days to Foot per Minutes.
Understanding the Foot per Minutes (ft/min)
Distance divided by time.
Understanding the Millimeter per Days (mm/d)
Distance divided by time.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many millimeter per days are in 1 foot per minutes?
1 foot per minutes equals 438,912 millimeter per days, using the exact defined conversion factor rather than an estimate.
How do I convert foot per minutes to millimeter per days?
Multiply the foot per minutes value by 438912. The converter above does this instantly to whatever precision you set.
How do I convert millimeter per days back to foot per minutes?
Use the reverse factor: 1 millimeter per days equals 0.0000022784 foot per minutes. You can also use the swap control in the converter above to flip the direction instantly.
What is a foot per minutes?
Foot per Minutes (ft/min) is a unit of speed.
What is a millimeter per days?
Millimeter per Days (mm/d) is a unit of speed.
Is the foot per minutes to millimeter per days conversion exact?
Yes. Both foot per minutes and millimeter per days are defined by fixed standards rather than physical artifacts, so the factor of 438912 used above is exact to as many digits as you choose to display.