Distance divided by time.
Millimeter per Days to Foot per Hours Converter — mm/d to ft/h
Convert Millimeter per Days (mm/d) to Foot per Hours (ft/h) using the exact conversion factor (1 millimeter per days = 0.0001367017 foot per hours). See the formula, worked examples, and conversion table.
Millimeter per Days to Foot 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 1.15740741e-8 / 8.46666667e-5.
Speed uses meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Millimeter per Days to Foot per Hours
Millimeter per Days and Foot 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
foot per hours = millimeter per days × 0.000136701662292
This factor comes from each unit's defined relationship to the category's base unit: 1 millimeter per days equals 1.157407e-8 base units, and 1 foot per hours equals 0.0000846666666667 base units, so dividing one by the other gives the direct millimeter per days-to-foot per hours factor of 0.000136701662292.
Simple example
1 mm/d × 0.0001367016623 = 0.0001367017 ft/h
1 millimeter per days = 0.0001367017 foot per hours.
Real-world example
10 mm/d × 0.0001367016623 = 0.0013670166 ft/h
10 millimeter per days = 0.0013670166 foot per hours.
Conversion table
| Millimeter per Days (mm/d) | Foot per Hours (ft/h) |
|---|---|
| 1 mm/d | 0.0001367017 ft/h |
| 5 mm/d | 0.0006835083 ft/h |
| 10 mm/d | 0.0013670166 ft/h |
| 25 mm/d | 0.0034175416 ft/h |
| 50 mm/d | 0.0068350831 ft/h |
| 100 mm/d | 0.0136701662 ft/h |
Reverse conversion: Foot per Hours to Millimeter per Days
0.0001367017 ft/h × 7315.2 = 1.000000276 mm/d
0.0001367017 foot per hours = 1.000000276 millimeter per days.
millimeter per days = foot per hours × 7315.2
For a page dedicated to this direction, see Foot per Hours to Millimeter per Days.
Understanding the Millimeter per Days (mm/d)
Distance divided by time.
Understanding the Foot per Hours (ft/h)
Distance divided by time.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many foot per hours are in 1 millimeter per days?
1 millimeter per days equals 0.0001367017 foot per hours, using the exact defined conversion factor rather than an estimate.
How do I convert millimeter per days to foot per hours?
Multiply the millimeter per days value by 0.0001367016623. The converter above does this instantly to whatever precision you set.
How do I convert foot per hours back to millimeter per days?
Use the reverse factor: 1 foot per hours equals 7,315.2 millimeter per days. You can also use the swap control in the converter above to flip the direction instantly.
What is a millimeter per days?
Millimeter per Days (mm/d) is a unit of speed.
What is a foot per hours?
Foot per Hours (ft/h) is a unit of speed.
Is the millimeter per days to foot per hours conversion exact?
Yes. Both millimeter per days and foot per hours are defined by fixed standards rather than physical artifacts, so the factor of 0.0001367016623 used above is exact to as many digits as you choose to display.