The kilometre per hour (American English: kilometer per hour) is a unit of speed, expressing the number of kilometres travelled in one hour.
Definition | Relation to SI units |
---|---|
≡ 1000m / 3600s |
yard per hour | inch per minute | yard per minute | foot per minute | inch per hour | inch per second | mile per minute | foot per hour |
---|---|---|---|---|---|---|---|
1 | 0.6 | 0.0166667 | 0.05 | 36 | 0.01 | 9.469696969697 × 10-6 | 3 |
1.6666667 | 1 | 0.0277778 | 0.0833333 | 60 | 0.0166667 | 1.5782828282828 × 10-5 | 5 |
60 | 36 | 1 | 3 | 2 160 | 0.6 | 0.0005682 | 180 |
20 | 12 | 0.3333333 | 1 | 720 | 0.2 | 0.0001894 | 60 |
0.0277778 | 0.0166667 | 0.0004630 | 0.0013889 | 1 | 0.0002778 | 2.6304713804714 × 10-7 | 0.0833333 |
100 | 60 | 1.6666667 | 5 | 3 600 | 1 | 0.0009470 | 300 |
105 600 | 63 360 | 1 760 | 5 280 | 3 801 600 | 1 056 | 1 | 316 800 |
0.3333333 | 0.2 | 0.0055556 | 0.0166667 | 12 | 0.0033333 | 3.1565656565657 × 10-6 | 1 |
Symbol | Definition |
---|---|
≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |
1 kilometers per hour | = 0.27777777777778 meters per second |
2 kilometers per hour | = 0.55555555555556 meters per second |
3 kilometers per hour | = 0.83333333333333 meters per second |
4 kilometers per hour | = 1.1111111111111 meters per second |
5 kilometers per hour | = 1.3888888888889 meters per second |