Distance divided by time.
Yard per Seconds to Foot per Days Converter — yd/s to ft/d
Convert Yard per Seconds (yd/s) to Foot per Days (ft/d) using the exact conversion factor (1 yard per seconds = 259,200 foot per days). See the formula, worked examples, and conversion table.
Yard per Seconds to Foot 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 0.9144 / 3.52777778e-6.
Speed uses meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Yard per Seconds to Foot per Days
Yard per Seconds and Foot 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
foot per days = yard per seconds × 259200
This factor comes from each unit's defined relationship to the category's base unit: 1 yard per seconds equals 0.9144 base units, and 1 foot per days equals 0.00000352777777778 base units, so dividing one by the other gives the direct yard per seconds-to-foot per days factor of 259200.
Simple example
1 yd/s × 259200 = 259,200 ft/d
1 yard per seconds = 259,200 foot per days.
Real-world example
10 yd/s × 259200 = 2,592,000 ft/d
10 yard per seconds = 2,592,000 foot per days.
Conversion table
| Yard per Seconds (yd/s) | Foot per Days (ft/d) |
|---|---|
| 1 yd/s | 259,200 ft/d |
| 5 yd/s | 1,296,000 ft/d |
| 10 yd/s | 2,592,000 ft/d |
| 25 yd/s | 6,480,000 ft/d |
| 50 yd/s | 12,960,000 ft/d |
| 100 yd/s | 25,920,000 ft/d |
Reverse conversion: Foot per Days to Yard per Seconds
1 ft/d × 0.000003858024691 = 0.000003858 yd/s
1 foot per days = 0.000003858 yard per seconds.
yard per seconds = foot per days × 0.00000385802469136
For a page dedicated to this direction, see Foot per Days to Yard per Seconds.
Understanding the Yard per Seconds (yd/s)
Distance divided by time.
Understanding the Foot per Days (ft/d)
Distance divided by time.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many foot per days are in 1 yard per seconds?
1 yard per seconds equals 259,200 foot per days, using the exact defined conversion factor rather than an estimate.
How do I convert yard per seconds to foot per days?
Multiply the yard per seconds value by 259200. The converter above does this instantly to whatever precision you set.
How do I convert foot per days back to yard per seconds?
Use the reverse factor: 1 foot per days equals 0.000003858 yard per seconds. You can also use the swap control in the converter above to flip the direction instantly.
What is a yard per seconds?
Yard per Seconds (yd/s) is a unit of speed.
What is a foot per days?
Foot per Days (ft/d) is a unit of speed.
Is the yard per seconds to foot per days conversion exact?
Yes. Both yard per seconds and foot per days are defined by fixed standards rather than physical artifacts, so the factor of 259200 used above is exact to as many digits as you choose to display.