Kilometers per Hour to Second Cosmic Velocity (km/h → v2)
Formula
1 km/h = 0.0000248015873015873 v2Conversion Table
| km/h | v2 |
|---|---|
| 0 | 0 |
| 1.0000 | 0.000024802 |
| 2.0000 | 0.000049603 |
| 3.0000 | 0.000074405 |
| 4.0000 | 0.000099206 |
| 5.0000 | 0.00012401 |
| 6.0000 | 0.00014881 |
| 7.0000 | 0.00017361 |
| 8.0000 | 0.00019841 |
| 9.0000 | 0.00022321 |
| 10.000 | 0.00024802 |
| 11.000 | 0.00027282 |
| 12.000 | 0.00029762 |
| 13.000 | 0.00032242 |
| 14.000 | 0.00034722 |
| 15.000 | 0.00037202 |
| 16.000 | 0.00039683 |
| 17.000 | 0.00042163 |
| 18.000 | 0.00044643 |
| 19.000 | 0.00047123 |
| km/h | v2 |
|---|---|
| 20.000 | 0.00049603 |
| 21.000 | 0.00052083 |
| 22.000 | 0.00054563 |
| 23.000 | 0.00057044 |
| 24.000 | 0.00059524 |
| 25.000 | 0.00062004 |
| 26.000 | 0.00064484 |
| 27.000 | 0.00066964 |
| 28.000 | 0.00069444 |
| 29.000 | 0.00071925 |
| 30.000 | 0.00074405 |
| 31.000 | 0.00076885 |
| 32.000 | 0.00079365 |
| 33.000 | 0.00081845 |
| 34.000 | 0.00084325 |
| 35.000 | 0.00086806 |
| 36.000 | 0.00089286 |
| 37.000 | 0.00091766 |
| 38.000 | 0.00094246 |
| 39.000 | 0.00096726 |
| km/h | v2 |
|---|---|
| 40.000 | 0.00099206 |
| 41.000 | 0.0010169 |
| 42.000 | 0.0010417 |
| 43.000 | 0.0010665 |
| 44.000 | 0.0010913 |
| 45.000 | 0.0011161 |
| 46.000 | 0.0011409 |
| 47.000 | 0.0011657 |
| 48.000 | 0.0011905 |
| 49.000 | 0.0012153 |
| 50.000 | 0.0012401 |
| 51.000 | 0.0012649 |
| 52.000 | 0.0012897 |
| 53.000 | 0.0013145 |
| 54.000 | 0.0013393 |
| 55.000 | 0.0013641 |
| 56.000 | 0.0013889 |
| 57.000 | 0.0014137 |
| 58.000 | 0.0014385 |
| 59.000 | 0.0014633 |
| km/h | v2 |
|---|---|
| 60.000 | 0.0014881 |
| 61.000 | 0.0015129 |
| 62.000 | 0.0015377 |
| 63.000 | 0.0015625 |
| 64.000 | 0.0015873 |
| 65.000 | 0.0016121 |
| 66.000 | 0.0016369 |
| 67.000 | 0.0016617 |
| 68.000 | 0.0016865 |
| 69.000 | 0.0017113 |
| 70.000 | 0.0017361 |
| 71.000 | 0.0017609 |
| 72.000 | 0.0017857 |
| 73.000 | 0.0018105 |
| 74.000 | 0.0018353 |
| 75.000 | 0.0018601 |
| 76.000 | 0.0018849 |
| 77.000 | 0.0019097 |
| 78.000 | 0.0019345 |
| 79.000 | 0.0019593 |
Kilometers per Hour to Second Cosmic Velocity Conversion
Converting Kilometers per Hour (km/h) to Second Cosmic Velocity (v2) is a common speed conversion. 1 km/h equals 0.000025 v2. For example, 100 km/h is equal to 0.00248 v2.
Quick Reference Values
1 km/h = 0.000025 v2. 5 km/h = 0.000124 v2. 10 km/h = 0.000248 v2. 25 km/h = 0.00062 v2. 50 km/h = 0.00124 v2. 100 km/h = 0.00248 v2.
What is Kilometers per Hour?
Kilometers per Hour (km/h) is a unit of speed. Kilometers per hour (km/h) measures speed as the number of kilometers traveled in one hour. It converts directly to meters per second by multiplying by 1000/3600. This unit is standardized internationally for expressing road and vehicle speeds [bipm-si-brochure]. The kilometer per hour unit was adopted alongside the metric system in the 19th century, formalized by the International System of Units (SI) established by the BIPM. It became widespread for transportation speed limits due to metrication efforts in Europe and worldwide [bipm-si-brochure]. Kilometers per hour is the standard speed measurement in most countries, including all European nations, Canada, Australia, and many others. It is used extensively in road traffic regulations, automotive industries, and international transportation standards [nist-si-guide].
What is Second Cosmic Velocity?
Second Cosmic Velocity (v2) is a unit of speed. The second cosmic velocity, also known as escape velocity, is the minimum speed needed to break free from a planet’s gravitational field without further propulsion. For Earth, this speed is about 11.2 km/s, calculated by √(2GM/R) where G is the gravitational constant, M is Earth’s mass, and R its radius [nist-cuu]. Escape velocity was first derived from Newtonian gravity principles in the 17th century and later refined by physicists studying celestial mechanics. It is fundamental for understanding spacecraft trajectory planning [nist-cuu]. Escape velocity is essential in aerospace and astronautics worldwide, guiding mission planning for launches from Earth and other celestial bodies. It is standard knowledge in physics and engineering curricula globally [nist-cuu].
Common Misspellings
People often search for this conversion using these alternate spellings: kilometres per hour, kmph, kph, kilometer per hour, km/hr, second cosmic velocity, cosmic velocity 2nd, escape velocity, cosmic velocity two, cosmic velocity 2. All of these refer to the Kilometers per Hour to Second Cosmic Velocity conversion.