Distance divided by time.
Yard per Days to ft/s Converter — yd/d to ft/s
Convert Yard per Days (yd/d) to ft/s (ft/s) using the exact conversion factor (1 yard per days = 0.0000347222 ft/s). See the formula, worked examples, and conversion table.
Yard per Days to ft/s 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.
Feet per second.
Result = input x 1.05833333e-5 / 0.3048.
Speed uses meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Yard per Days to ft/s
Yard per Days and ft/s both describe speed, and the conversion matters whenever a maritime or aviation speed (knots) needs to be compared against a road speed (mph). Specifically: Distance divided by time, and feet per second.
Formula
ft/s = yard per days × 0.0000347222222222
This factor comes from each unit's defined relationship to the category's base unit: 1 yard per days equals 0.0000105833333333 base units, and 1 ft/s equals 0.3048 base units, so dividing one by the other gives the direct yard per days-to-ft/s factor of 0.0000347222222222.
Simple example
1 yd/d × 0.00003472222222 = 0.0000347222 ft/s
1 yard per days = 0.0000347222 ft/s.
Real-world example
10 yd/d × 0.00003472222222 = 0.0003472222 ft/s
10 yard per days = 0.0003472222 ft/s.
Conversion table
| Yard per Days (yd/d) | ft/s (ft/s) |
|---|---|
| 1 yd/d | 0.0000347222 ft/s |
| 5 yd/d | 0.0001736111 ft/s |
| 10 yd/d | 0.0003472222 ft/s |
| 25 yd/d | 0.0008680556 ft/s |
| 50 yd/d | 0.0017361111 ft/s |
| 100 yd/d | 0.0034722222 ft/s |
Reverse conversion: ft/s to Yard per Days
0.0000347222 ft/s × 28800 = 0.99999936 yd/d
0.0000347222 ft/s = 0.99999936 yard per days.
yard per days = ft/s × 28800
For a page dedicated to this direction, see ft/s to Yard per Days.
Understanding the Yard per Days (yd/d)
Distance divided by time.
Understanding the ft/s (ft/s)
Feet per second.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many ft/s are in 1 yard per days?
1 yard per days equals 0.0000347222 ft/s, using the exact defined conversion factor rather than an estimate.
How do I convert yard per days to ft/s?
Multiply the yard per days value by 0.00003472222222. The converter above does this instantly to whatever precision you set.
How do I convert ft/s back to yard per days?
Use the reverse factor: 1 ft/s equals 28,800 yard per days. You can also use the swap control in the converter above to flip the direction instantly.
What is a yard per days?
Yard per Days (yd/d) is a unit of speed.
What is a ft/s?
ft/s (ft/s) is a unit of speed.
Is the yard per days to ft/s conversion exact?
Yes. Both yard per days and ft/s are defined by fixed standards rather than physical artifacts, so the factor of 0.00003472222222 used above is exact to as many digits as you choose to display.