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 | Centimetr yr eiliad |
|---|---|
| 0mph | 0.00cm/s |
| 1mph | 44.70cm/s |
| 2mph | 89.41cm/s |
| 3mph | 134.11cm/s |
| 4mph | 178.82cm/s |
| 5mph | 223.52cm/s |
| 6mph | 268.22cm/s |
| 7mph | 312.93cm/s |
| 8mph | 357.63cm/s |
| 9mph | 402.34cm/s |
| 10mph | 447.04cm/s |
| 11mph | 491.74cm/s |
| 12mph | 536.45cm/s |
| 13mph | 581.15cm/s |
| 14mph | 625.86cm/s |
| 15mph | 670.56cm/s |
| 16mph | 715.26cm/s |
| 17mph | 759.97cm/s |
| 18mph | 804.67cm/s |
| 19mph | 849.38cm/s |
| Milltir yr awr | Centimetr yr eiliad |
|---|---|
| 20mph | 894.08cm/s |
| 21mph | 938.78cm/s |
| 22mph | 983.49cm/s |
| 23mph | 1028.19cm/s |
| 24mph | 1072.90cm/s |
| 25mph | 1117.60cm/s |
| 26mph | 1162.30cm/s |
| 27mph | 1207.01cm/s |
| 28mph | 1251.71cm/s |
| 29mph | 1296.42cm/s |
| 30mph | 1341.12cm/s |
| 31mph | 1385.82cm/s |
| 32mph | 1430.53cm/s |
| 33mph | 1475.23cm/s |
| 34mph | 1519.94cm/s |
| 35mph | 1564.64cm/s |
| 36mph | 1609.34cm/s |
| 37mph | 1654.05cm/s |
| 38mph | 1698.75cm/s |
| 39mph | 1743.46cm/s |
| Milltir yr awr | Centimetr yr eiliad |
|---|---|
| 40mph | 1788.16cm/s |
| 41mph | 1832.86cm/s |
| 42mph | 1877.57cm/s |
| 43mph | 1922.27cm/s |
| 44mph | 1966.98cm/s |
| 45mph | 2011.68cm/s |
| 46mph | 2056.38cm/s |
| 47mph | 2101.09cm/s |
| 48mph | 2145.79cm/s |
| 49mph | 2190.50cm/s |
| 50mph | 2235.20cm/s |
| 51mph | 2279.90cm/s |
| 52mph | 2324.61cm/s |
| 53mph | 2369.31cm/s |
| 54mph | 2414.02cm/s |
| 55mph | 2458.72cm/s |
| 56mph | 2503.42cm/s |
| 57mph | 2548.13cm/s |
| 58mph | 2592.83cm/s |
| 59mph | 2637.54cm/s |
