Distance divided by time.
Foot per Days to Yard per Days Converter — ft/d to yd/d
Convert Foot per Days (ft/d) to Yard per Days (yd/d) using the exact conversion factor (1 foot per days = 0.3333333333 yard per days). See the formula, worked examples, and conversion table.
Foot per Days 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 3.52777778e-6 / 1.05833333e-5.
Speed uses meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Foot per Days to Yard per Days
Foot per Days 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). Both are distance divided by time units.
Formula
yard per days = foot per days × 0.333333333333
This factor comes from each unit's defined relationship to the category's base unit: 1 foot per days equals 0.00000352777777778 base units, and 1 yard per days equals 0.0000105833333333 base units, so dividing one by the other gives the direct foot per days-to-yard per days factor of 0.333333333333.
Simple example
1 ft/d × 0.3333333333 = 0.3333333333 yd/d
1 foot per days = 0.3333333333 yard per days.
Real-world example
10 ft/d × 0.3333333333 = 3.333333333 yd/d
10 foot per days = 3.333333333 yard per days.
Conversion table
| Foot per Days (ft/d) | Yard per Days (yd/d) |
|---|---|
| 1 ft/d | 0.3333333333 yd/d |
| 5 ft/d | 1.666666667 yd/d |
| 10 ft/d | 3.333333333 yd/d |
| 25 ft/d | 8.333333333 yd/d |
| 50 ft/d | 16.66666667 yd/d |
| 100 ft/d | 33.33333333 yd/d |
Reverse conversion: Yard per Days to Foot per Days
0.3333333333 yd/d × 3 = 0.9999999999 ft/d
0.3333333333 yard per days = 0.9999999999 foot per days.
foot per days = yard per days × 3
For a page dedicated to this direction, see Yard per Days to Foot per Days.
Understanding the Foot per Days (ft/d)
Distance divided by time.
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 foot per days?
1 foot per days equals 0.3333333333 yard per days, using the exact defined conversion factor rather than an estimate.
How do I convert foot per days to yard per days?
Multiply the foot per days value by 0.3333333333. The converter above does this instantly to whatever precision you set.
How do I convert yard per days back to foot per days?
Use the reverse factor: 1 yard per days equals 3 foot per days. You can also use the swap control in the converter above to flip the direction instantly.
What is a foot per days?
Foot per Days (ft/d) is a unit of speed.
What is a yard per days?
Yard per Days (yd/d) is a unit of speed.
Is the foot per days to yard per days conversion exact?
Yes. Both foot per days and yard per days are defined by fixed standards rather than physical artifacts, so the factor of 0.3333333333 used above is exact to as many digits as you choose to display.