Second Cosmic Velocity to Kilometers per Hour (v2 → km/h)
Formula
1 v2 = 40320 km/hConversion Table
| v2 | km/h |
|---|---|
| 0 | 0 |
| 1.0000 | 40,320 |
| 2.0000 | 80,640 |
| 3.0000 | 120,960 |
| 4.0000 | 161,280 |
| 5.0000 | 201,600 |
| 6.0000 | 241,920 |
| 7.0000 | 282,240 |
| 8.0000 | 322,560 |
| 9.0000 | 362,880 |
| 10.000 | 403,200 |
| 11.000 | 443,520 |
| 12.000 | 483,840 |
| 13.000 | 524,160 |
| 14.000 | 564,480 |
| 15.000 | 604,800 |
| 16.000 | 645,120 |
| 17.000 | 685,440 |
| 18.000 | 725,760 |
| 19.000 | 766,080 |
| v2 | km/h |
|---|---|
| 20.000 | 806,400 |
| 21.000 | 846,720 |
| 22.000 | 887,040 |
| 23.000 | 927,360 |
| 24.000 | 967,680 |
| 25.000 | 1,008,000 |
| 26.000 | 1,048,300 |
| 27.000 | 1,088,600 |
| 28.000 | 1,129,000 |
| 29.000 | 1,169,300 |
| 30.000 | 1,209,600 |
| 31.000 | 1,249,900 |
| 32.000 | 1,290,200 |
| 33.000 | 1,330,600 |
| 34.000 | 1,370,900 |
| 35.000 | 1,411,200 |
| 36.000 | 1,451,500 |
| 37.000 | 1,491,800 |
| 38.000 | 1,532,200 |
| 39.000 | 1,572,500 |
| v2 | km/h |
|---|---|
| 40.000 | 1,612,800 |
| 41.000 | 1,653,100 |
| 42.000 | 1,693,400 |
| 43.000 | 1,733,800 |
| 44.000 | 1,774,100 |
| 45.000 | 1,814,400 |
| 46.000 | 1,854,700 |
| 47.000 | 1,895,000 |
| 48.000 | 1,935,400 |
| 49.000 | 1,975,700 |
| 50.000 | 2,016,000 |
| 51.000 | 2,056,300 |
| 52.000 | 2,096,600 |
| 53.000 | 2,137,000 |
| 54.000 | 2,177,300 |
| 55.000 | 2,217,600 |
| 56.000 | 2,257,900 |
| 57.000 | 2,298,200 |
| 58.000 | 2,338,600 |
| 59.000 | 2,378,900 |
| v2 | km/h |
|---|---|
| 60.000 | 2,419,200 |
| 61.000 | 2,459,500 |
| 62.000 | 2,499,800 |
| 63.000 | 2,540,200 |
| 64.000 | 2,580,500 |
| 65.000 | 2,620,800 |
| 66.000 | 2,661,100 |
| 67.000 | 2,701,400 |
| 68.000 | 2,741,800 |
| 69.000 | 2,782,100 |
| 70.000 | 2,822,400 |
| 71.000 | 2,862,700 |
| 72.000 | 2,903,000 |
| 73.000 | 2,943,400 |
| 74.000 | 2,983,700 |
| 75.000 | 3,024,000 |
| 76.000 | 3,064,300 |
| 77.000 | 3,104,600 |
| 78.000 | 3,145,000 |
| 79.000 | 3,185,300 |
Second Cosmic Velocity to Kilometers per Hour Conversion
Converting Second Cosmic Velocity (v2) to Kilometers per Hour (km/h) is a common speed conversion. 1 v2 equals 40,320 km/h. For example, 100 v2 is equal to 4,032,000 km/h.
Quick Mental Math: Second Cosmic Velocity to Kilometers per Hour
Divide by 3.6 to get m/s; divide by 1.609 to get mph.
Why is converting Second Cosmic Velocity to Kilometers per Hour tricky?
1.609 conversion factor doesn't align with round decimals, causing rounding drift.
Quick Reference Values
1 v2 = 40,320 km/h. 5 v2 = 201,600 km/h. 10 v2 = 403,200 km/h. 25 v2 = 1,008,000 km/h. 50 v2 = 2,016,000 km/h. 100 v2 = 4,032,000 km/h.
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].
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].
Common Misspellings
People often search for this conversion using these alternate spellings: second cosmic velocity, cosmic velocity 2nd, escape velocity, cosmic velocity two, cosmic velocity 2, kilometres per hour, kmph, kph, kilometer per hour, km/hr. All of these refer to the Second Cosmic Velocity to Kilometers per Hour conversion.