Distance divided by time.
Millimeter per Seconds to Foot per Hours Converter — mm/s to ft/h
Convert Millimeter per Seconds (mm/s) to Foot per Hours (ft/h) using the exact conversion factor (1 millimeter per seconds = 11.81102362 foot per hours). See the formula, worked examples, and conversion table.
Millimeter per Seconds 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 0.001 / 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 Seconds to Foot per Hours
Millimeter per Seconds 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 seconds × 11.811023622
This factor comes from each unit's defined relationship to the category's base unit: 1 millimeter per seconds equals 0.001 base units, and 1 foot per hours equals 0.0000846666666667 base units, so dividing one by the other gives the direct millimeter per seconds-to-foot per hours factor of 11.811023622.
Simple example
1 mm/s × 11.81102362 = 11.81102362 ft/h
1 millimeter per seconds = 11.81102362 foot per hours.
Real-world example
10 mm/s × 11.81102362 = 118.1102362 ft/h
10 millimeter per seconds = 118.1102362 foot per hours.
Conversion table
| Millimeter per Seconds (mm/s) | Foot per Hours (ft/h) |
|---|---|
| 1 mm/s | 11.81102362 ft/h |
| 5 mm/s | 59.05511811 ft/h |
| 10 mm/s | 118.1102362 ft/h |
| 25 mm/s | 295.2755906 ft/h |
| 50 mm/s | 590.5511811 ft/h |
| 100 mm/s | 1,181.102362 ft/h |
Reverse conversion: Foot per Hours to Millimeter per Seconds
11.81102362 ft/h × 0.08466666667 = 0.9999999998 mm/s
11.81102362 foot per hours = 0.9999999998 millimeter per seconds.
millimeter per seconds = foot per hours × 0.0846666666667
For a page dedicated to this direction, see Foot per Hours to Millimeter per Seconds.
Understanding the Millimeter per Seconds (mm/s)
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 seconds?
1 millimeter per seconds equals 11.81102362 foot per hours, using the exact defined conversion factor rather than an estimate.
How do I convert millimeter per seconds to foot per hours?
Multiply the millimeter per seconds value by 11.81102362. The converter above does this instantly to whatever precision you set.
How do I convert foot per hours back to millimeter per seconds?
Use the reverse factor: 1 foot per hours equals 0.0846666667 millimeter per seconds. You can also use the swap control in the converter above to flip the direction instantly.
What is a millimeter per seconds?
Millimeter per Seconds (mm/s) 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 seconds to foot per hours conversion exact?
Yes. Both millimeter per seconds and foot per hours are defined by fixed standards rather than physical artifacts, so the factor of 11.81102362 used above is exact to as many digits as you choose to display.