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 | Modfedd yr eiliad |
|---|---|
| 0mph | 0.00in/s |
| 1mph | 17.60in/s |
| 2mph | 35.20in/s |
| 3mph | 52.80in/s |
| 4mph | 70.40in/s |
| 5mph | 88.00in/s |
| 6mph | 105.60in/s |
| 7mph | 123.20in/s |
| 8mph | 140.80in/s |
| 9mph | 158.40in/s |
| 10mph | 176.00in/s |
| 11mph | 193.60in/s |
| 12mph | 211.20in/s |
| 13mph | 228.80in/s |
| 14mph | 246.40in/s |
| 15mph | 264.00in/s |
| 16mph | 281.60in/s |
| 17mph | 299.20in/s |
| 18mph | 316.80in/s |
| 19mph | 334.40in/s |
| Milltir yr awr | Modfedd yr eiliad |
|---|---|
| 20mph | 352.00in/s |
| 21mph | 369.60in/s |
| 22mph | 387.20in/s |
| 23mph | 404.80in/s |
| 24mph | 422.40in/s |
| 25mph | 440.00in/s |
| 26mph | 457.60in/s |
| 27mph | 475.20in/s |
| 28mph | 492.80in/s |
| 29mph | 510.40in/s |
| 30mph | 528.00in/s |
| 31mph | 545.60in/s |
| 32mph | 563.20in/s |
| 33mph | 580.80in/s |
| 34mph | 598.40in/s |
| 35mph | 616.00in/s |
| 36mph | 633.60in/s |
| 37mph | 651.20in/s |
| 38mph | 668.80in/s |
| 39mph | 686.40in/s |
| Milltir yr awr | Modfedd yr eiliad |
|---|---|
| 40mph | 704.00in/s |
| 41mph | 721.60in/s |
| 42mph | 739.20in/s |
| 43mph | 756.80in/s |
| 44mph | 774.40in/s |
| 45mph | 792.00in/s |
| 46mph | 809.60in/s |
| 47mph | 827.20in/s |
| 48mph | 844.80in/s |
| 49mph | 862.40in/s |
| 50mph | 880.00in/s |
| 51mph | 897.60in/s |
| 52mph | 915.20in/s |
| 53mph | 932.80in/s |
| 54mph | 950.40in/s |
| 55mph | 968.00in/s |
| 56mph | 985.60in/s |
| 57mph | 1003.20in/s |
| 58mph | 1020.80in/s |
| 59mph | 1038.40in/s |
