Feet per second.
ft/s to Yard per Days Converter — ft/s to yd/d
Convert ft/s (ft/s) to Yard per Days (yd/d) using the exact conversion factor (1 ft/s = 28,800 yard per days). See the formula, worked examples, and conversion table.
ft/s to Yard 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 / 1.05833333e-5.
Speed uses meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting ft/s to Yard per Days
ft/s and Yard 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
yard per days = ft/s × 28800
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 yard per days equals 0.0000105833333333 base units, so dividing one by the other gives the direct ft/s-to-yard per days factor of 28800.
Simple example
1 ft/s × 28800 = 28,800 yd/d
1 ft/s = 28,800 yard per days.
Real-world example
10 ft/s × 28800 = 288,000 yd/d
10 ft/s = 288,000 yard per days.
Conversion table
| ft/s (ft/s) | Yard per Days (yd/d) |
|---|---|
| 1 ft/s | 28,800 yd/d |
| 5 ft/s | 144,000 yd/d |
| 10 ft/s | 288,000 yd/d |
| 25 ft/s | 720,000 yd/d |
| 50 ft/s | 1,440,000 yd/d |
| 100 ft/s | 2,880,000 yd/d |
Reverse conversion: Yard per Days to ft/s
1 yd/d × 0.00003472222222 = 0.0000347222 ft/s
1 yard per days = 0.0000347222 ft/s.
ft/s = yard per days × 0.0000347222222222
For a page dedicated to this direction, see Yard per Days to ft/s.
Understanding the ft/s (ft/s)
Feet per second.
Understanding the Yard per Days (yd/d)
Distance divided by time.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many yard per days are in 1 ft/s?
1 ft/s equals 28,800 yard per days, using the exact defined conversion factor rather than an estimate.
How do I convert ft/s to yard per days?
Multiply the ft/s value by 28800. The converter above does this instantly to whatever precision you set.
How do I convert yard per days back to ft/s?
Use the reverse factor: 1 yard per days equals 0.0000347222 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 yard per days?
Yard per Days (yd/d) is a unit of speed.
Is the ft/s to yard per days conversion exact?
Yes. Both ft/s and yard per days are defined by fixed standards rather than physical artifacts, so the factor of 28800 used above is exact to as many digits as you choose to display.