Lawrlwythwch ein App AndroidSylwer: Mae canlyniadau ffracsiynol wedi'u talgrynu i'r 1/64 agosaf. I gael ateb mwy cywir dewiswch 'degol' o'r opsiynau uwchben y canlyniad.
Sylwer: Gallwch gynyddu neu ostwng cywirdeb yr ateb hwn drwy ddewis nifer y ffigurau ystyrlon sydd eu hangen o'r opsiynau uwchben y canlyniad.
Sylwer: I gael canlyniad degol pur dewisiwch 'degol' o'r opsiynau uwchben y canlyniad.
Dyma fesuriad o gyflymder a ddefnyddir fel mater o drefn mewn gwledydd nad ydynt yn defnyddio'r system fetrig ar gyfer trafnidiaeth fel Unol Daleithiau America. Mae'r Deyrnas Unedig hefyd yn defnyddio hwn ar y ffyrdd er bod y system fetrig wedi'i mabwysiadu'n swyddogol. Rhoddir terfynau cyflymder ar y ffyrdd fesul milltir yr awr a gaiff ei dalfyrru fel mya neu mi/a.
| Milltir yr awr | Llath y dydd |
|---|---|
| 0mph | 0.00yd/day |
| 1mph | 42240.00yd/day |
| 2mph | 84480.00yd/day |
| 3mph | 126720.00yd/day |
| 4mph | 168960.00yd/day |
| 5mph | 211200.00yd/day |
| 6mph | 253440.00yd/day |
| 7mph | 295680.00yd/day |
| 8mph | 337920.00yd/day |
| 9mph | 380160.00yd/day |
| 10mph | 422400.00yd/day |
| 11mph | 464640.00yd/day |
| 12mph | 506880.00yd/day |
| 13mph | 549120.00yd/day |
| 14mph | 591360.00yd/day |
| 15mph | 633600.00yd/day |
| 16mph | 675840.00yd/day |
| 17mph | 718080.00yd/day |
| 18mph | 760320.00yd/day |
| 19mph | 802560.00yd/day |
| Milltir yr awr | Llath y dydd |
|---|---|
| 20mph | 844800.00yd/day |
| 21mph | 887040.00yd/day |
| 22mph | 929280.00yd/day |
| 23mph | 971520.00yd/day |
| 24mph | 1013760.00yd/day |
| 25mph | 1056000.00yd/day |
| 26mph | 1098240.00yd/day |
| 27mph | 1140480.00yd/day |
| 28mph | 1182720.00yd/day |
| 29mph | 1224960.00yd/day |
| 30mph | 1267200.00yd/day |
| 31mph | 1309440.00yd/day |
| 32mph | 1351680.00yd/day |
| 33mph | 1393920.00yd/day |
| 34mph | 1436160.00yd/day |
| 35mph | 1478400.00yd/day |
| 36mph | 1520640.00yd/day |
| 37mph | 1562880.00yd/day |
| 38mph | 1605120.00yd/day |
| 39mph | 1647360.00yd/day |
| Milltir yr awr | Llath y dydd |
|---|---|
| 40mph | 1689600.00yd/day |
| 41mph | 1731840.00yd/day |
| 42mph | 1774080.00yd/day |
| 43mph | 1816320.00yd/day |
| 44mph | 1858560.00yd/day |
| 45mph | 1900800.00yd/day |
| 46mph | 1943040.00yd/day |
| 47mph | 1985280.00yd/day |
| 48mph | 2027520.00yd/day |
| 49mph | 2069760.00yd/day |
| 50mph | 2112000.00yd/day |
| 51mph | 2154240.00yd/day |
| 52mph | 2196480.00yd/day |
| 53mph | 2238720.00yd/day |
| 54mph | 2280960.00yd/day |
| 55mph | 2323200.00yd/day |
| 56mph | 2365440.00yd/day |
| 57mph | 2407680.00yd/day |
| 58mph | 2449920.00yd/day |
| 59mph | 2492160.00yd/day |
