Distance divided by time.
Kilometer per Days to Nautical mile per Days Converter — km/d to nmi/d
Convert Kilometer per Days (km/d) to Nautical mile per Days (nmi/d) using the exact conversion factor (1 kilometer per days = 0.5399568035 nautical mile per days). See the formula, worked examples, and conversion table.
Kilometer per Days to Nautical mile 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 0.01157407407 / 0.02143518519.
Speed uses meters per second as the base unit.
Reserved above the conversion cards and below the converter.
About Converting Kilometer per Days to Nautical mile per Days
Kilometer per Days and Nautical mile 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
nautical mile per days = kilometer per days × 0.539956803456
This factor comes from each unit's defined relationship to the category's base unit: 1 kilometer per days equals 0.0115740740741 base units, and 1 nautical mile per days equals 0.0214351851852 base units, so dividing one by the other gives the direct kilometer per days-to-nautical mile per days factor of 0.539956803456.
Simple example
1 km/d × 0.5399568035 = 0.5399568035 nmi/d
1 kilometer per days = 0.5399568035 nautical mile per days.
Real-world example
10 km/d × 0.5399568035 = 5.399568035 nmi/d
10 kilometer per days = 5.399568035 nautical mile per days.
Conversion table
| Kilometer per Days (km/d) | Nautical mile per Days (nmi/d) |
|---|---|
| 1 km/d | 0.5399568035 nmi/d |
| 5 km/d | 2.699784017 nmi/d |
| 10 km/d | 5.399568035 nmi/d |
| 25 km/d | 13.49892009 nmi/d |
| 50 km/d | 26.99784017 nmi/d |
| 100 km/d | 53.99568035 nmi/d |
Reverse conversion: Nautical mile per Days to Kilometer per Days
0.5399568035 nmi/d × 1.852 = 1 km/d
0.5399568035 nautical mile per days = 1 kilometer per days.
kilometer per days = nautical mile per days × 1.852
For a page dedicated to this direction, see Nautical mile per Days to Kilometer per Days.
Understanding the Kilometer per Days (km/d)
Distance divided by time.
Understanding the Nautical mile per Days (nmi/d)
Distance divided by time.
Reserved between the cards and the FAQ so the page stays balanced.
Frequently asked questions
How many nautical mile per days are in 1 kilometer per days?
1 kilometer per days equals 0.5399568035 nautical mile per days, using the exact defined conversion factor rather than an estimate.
How do I convert kilometer per days to nautical mile per days?
Multiply the kilometer per days value by 0.5399568035. The converter above does this instantly to whatever precision you set.
How do I convert nautical mile per days back to kilometer per days?
Use the reverse factor: 1 nautical mile per days equals 1.852 kilometer per days. You can also use the swap control in the converter above to flip the direction instantly.
What is a kilometer per days?
Kilometer per Days (km/d) is a unit of speed.
What is a nautical mile per days?
Nautical mile per Days (nmi/d) is a unit of speed.
Is the kilometer per days to nautical mile per days conversion exact?
Yes. Both kilometer per days and nautical mile per days are defined by fixed standards rather than physical artifacts, so the factor of 0.5399568035 used above is exact to as many digits as you choose to display.