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 | Milimetr yr awr |
|---|---|
| 0mph | 0.00mm/h |
| 1mph | 1609344.01mm/h |
| 2mph | 3218688.01mm/h |
| 3mph | 4828032.02mm/h |
| 4mph | 6437376.02mm/h |
| 5mph | 8046720.03mm/h |
| 6mph | 9656064.03mm/h |
| 7mph | 11265408.04mm/h |
| 8mph | 12874752.05mm/h |
| 9mph | 14484096.05mm/h |
| 10mph | 16093440.06mm/h |
| 11mph | 17702784.06mm/h |
| 12mph | 19312128.07mm/h |
| 13mph | 20921472.08mm/h |
| 14mph | 22530816.08mm/h |
| 15mph | 24140160.09mm/h |
| 16mph | 25749504.09mm/h |
| 17mph | 27358848.10mm/h |
| 18mph | 28968192.10mm/h |
| 19mph | 30577536.11mm/h |
| Milltir yr awr | Milimetr yr awr |
|---|---|
| 20mph | 32186880.12mm/h |
| 21mph | 33796224.12mm/h |
| 22mph | 35405568.13mm/h |
| 23mph | 37014912.13mm/h |
| 24mph | 38624256.14mm/h |
| 25mph | 40233600.14mm/h |
| 26mph | 41842944.15mm/h |
| 27mph | 43452288.16mm/h |
| 28mph | 45061632.16mm/h |
| 29mph | 46670976.17mm/h |
| 30mph | 48280320.17mm/h |
| 31mph | 49889664.18mm/h |
| 32mph | 51499008.19mm/h |
| 33mph | 53108352.19mm/h |
| 34mph | 54717696.20mm/h |
| 35mph | 56327040.20mm/h |
| 36mph | 57936384.21mm/h |
| 37mph | 59545728.21mm/h |
| 38mph | 61155072.22mm/h |
| 39mph | 62764416.23mm/h |
| Milltir yr awr | Milimetr yr awr |
|---|---|
| 40mph | 64373760.23mm/h |
| 41mph | 65983104.24mm/h |
| 42mph | 67592448.24mm/h |
| 43mph | 69201792.25mm/h |
| 44mph | 70811136.25mm/h |
| 45mph | 72420480.26mm/h |
| 46mph | 74029824.27mm/h |
| 47mph | 75639168.27mm/h |
| 48mph | 77248512.28mm/h |
| 49mph | 78857856.28mm/h |
| 50mph | 80467200.29mm/h |
| 51mph | 82076544.30mm/h |
| 52mph | 83685888.30mm/h |
| 53mph | 85295232.31mm/h |
| 54mph | 86904576.31mm/h |
| 55mph | 88513920.32mm/h |
| 56mph | 90123264.32mm/h |
| 57mph | 91732608.33mm/h |
| 58mph | 93341952.34mm/h |
| 59mph | 94951296.34mm/h |
