Feet per second.
ft/s to Kilometer per Days Converter — ft/s to km/d
Convert ft/s (ft/s) to Kilometer per Days (km/d) using the exact conversion factor (1 ft/s = 26.33472 kilometer per days). See the formula, worked examples, and conversion table.
ft/s to Kilometer 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 0.3048 / 0.01157407407.
Speed uses meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting ft/s to Kilometer per Days
ft/s and Kilometer 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). Specifically: Feet per second, and distance divided by time.
Formula
kilometer per days = ft/s × 26.33472
This factor comes from each unit's defined relationship to the category's base unit: 1 ft/s equals 0.3048 base units, and 1 kilometer per days equals 0.0115740740741 base units, so dividing one by the other gives the direct ft/s-to-kilometer per days factor of 26.33472.
Simple example
1 ft/s × 26.33472 = 26.33472 km/d
1 ft/s = 26.33472 kilometer per days.
Real-world example
10 ft/s × 26.33472 = 263.3472 km/d
10 ft/s = 263.3472 kilometer per days.
Conversion table
| ft/s (ft/s) | Kilometer per Days (km/d) |
|---|---|
| 1 ft/s | 26.33472 km/d |
| 5 ft/s | 131.6736 km/d |
| 10 ft/s | 263.3472 km/d |
| 25 ft/s | 658.368 km/d |
| 50 ft/s | 1,316.736 km/d |
| 100 ft/s | 2,633.472 km/d |
Reverse conversion: Kilometer per Days to ft/s
26.33472 km/d × 0.03797268397 = 1 ft/s
26.33472 kilometer per days = 1 ft/s.
ft/s = kilometer per days × 0.0379726839701
For a page dedicated to this direction, see Kilometer per Days to ft/s.
Understanding the ft/s (ft/s)
Feet per second.
Understanding the Kilometer per Days (km/d)
Distance divided by time.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many kilometer per days are in 1 ft/s?
1 ft/s equals 26.33472 kilometer per days, using the exact defined conversion factor rather than an estimate.
How do I convert ft/s to kilometer per days?
Multiply the ft/s value by 26.33472. The converter above does this instantly to whatever precision you set.
How do I convert kilometer per days back to ft/s?
Use the reverse factor: 1 kilometer per days equals 0.037972684 ft/s. You can also use the swap control in the converter above to flip the direction instantly.
What is a ft/s?
ft/s (ft/s) is a unit of speed.
What is a kilometer per days?
Kilometer per Days (km/d) is a unit of speed.
Is the ft/s to kilometer per days conversion exact?
Yes. Both ft/s and kilometer per days are defined by fixed standards rather than physical artifacts, so the factor of 26.33472 used above is exact to as many digits as you choose to display.