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 | Troedfedd y funud |
|---|---|
| 0mph | 0.00ft/min |
| 1mph | 88.00ft/min |
| 2mph | 176.00ft/min |
| 3mph | 264.00ft/min |
| 4mph | 352.00ft/min |
| 5mph | 440.00ft/min |
| 6mph | 528.00ft/min |
| 7mph | 616.00ft/min |
| 8mph | 704.00ft/min |
| 9mph | 792.00ft/min |
| 10mph | 880.00ft/min |
| 11mph | 968.00ft/min |
| 12mph | 1056.00ft/min |
| 13mph | 1144.00ft/min |
| 14mph | 1232.00ft/min |
| 15mph | 1320.00ft/min |
| 16mph | 1408.00ft/min |
| 17mph | 1496.00ft/min |
| 18mph | 1584.00ft/min |
| 19mph | 1672.00ft/min |
| Milltir yr awr | Troedfedd y funud |
|---|---|
| 20mph | 1760.00ft/min |
| 21mph | 1848.00ft/min |
| 22mph | 1936.00ft/min |
| 23mph | 2024.00ft/min |
| 24mph | 2112.00ft/min |
| 25mph | 2200.00ft/min |
| 26mph | 2288.00ft/min |
| 27mph | 2376.00ft/min |
| 28mph | 2464.00ft/min |
| 29mph | 2552.00ft/min |
| 30mph | 2640.00ft/min |
| 31mph | 2728.00ft/min |
| 32mph | 2816.00ft/min |
| 33mph | 2904.00ft/min |
| 34mph | 2992.00ft/min |
| 35mph | 3080.00ft/min |
| 36mph | 3168.00ft/min |
| 37mph | 3256.00ft/min |
| 38mph | 3344.00ft/min |
| 39mph | 3432.00ft/min |
| Milltir yr awr | Troedfedd y funud |
|---|---|
| 40mph | 3520.00ft/min |
| 41mph | 3608.00ft/min |
| 42mph | 3696.00ft/min |
| 43mph | 3784.00ft/min |
| 44mph | 3872.00ft/min |
| 45mph | 3960.00ft/min |
| 46mph | 4048.00ft/min |
| 47mph | 4136.00ft/min |
| 48mph | 4224.00ft/min |
| 49mph | 4312.00ft/min |
| 50mph | 4400.00ft/min |
| 51mph | 4488.00ft/min |
| 52mph | 4576.00ft/min |
| 53mph | 4664.00ft/min |
| 54mph | 4752.00ft/min |
| 55mph | 4840.00ft/min |
| 56mph | 4928.00ft/min |
| 57mph | 5016.00ft/min |
| 58mph | 5104.00ft/min |
| 59mph | 5192.00ft/min |
