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.
Blwyddyn golau yw'r pellter y mae golau yn teithio mewn blwyddyn. Gan fod diffiniadau amrywiol o hyd blwyddyn, mae gwerth blwyddyn golau hefyd yn amrywio ychydig. Mae blwyddyn golau yn cyfateb i tua 9.461e15 m, 5.879e12 mi, neu 63239.7 AU, neu 0.3066 pc.
Uned o hyd yn y system fetrig yw'r cilometr, sy'n gyfwerth â mil metr.
Mae 1Km yn gyfwerth â 0.6214 milltir.1km
| Blynyddoedd golau | Cilometrau |
|---|---|
| 0ly | 0.00km |
| 1ly | 9460730777119.56km |
| 2ly | 18921461554239.13km |
| 3ly | 28382192331358.70km |
| 4ly | 37842923108478.26km |
| 5ly | 47303653885597.82km |
| 6ly | 56764384662717.39km |
| 7ly | 66225115439836.95km |
| 8ly | 75685846216956.52km |
| 9ly | 85146576994076.08km |
| 10ly | 94607307771195.64km |
| 11ly | 104068038548315.20km |
| 12ly | 113528769325434.78km |
| 13ly | 122989500102554.34km |
| 14ly | 132450230879673.91km |
| 15ly | 141910961656793.47km |
| 16ly | 151371692433913.03km |
| 17ly | 160832423211032.59km |
| 18ly | 170293153988152.16km |
| 19ly | 179753884765271.72km |
| Blynyddoedd golau | Cilometrau |
|---|---|
| 20ly | 189214615542391.28km |
| 21ly | 198675346319510.84km |
| 22ly | 208136077096630.41km |
| 23ly | 217596807873749.97km |
| 24ly | 227057538650869.56km |
| 25ly | 236518269427989.12km |
| 26ly | 245979000205108.69km |
| 27ly | 255439730982228.25km |
| 28ly | 264900461759347.81km |
| 29ly | 274361192536467.38km |
| 30ly | 283821923313586.94km |
| 31ly | 293282654090706.50km |
| 32ly | 302743384867826.06km |
| 33ly | 312204115644945.62km |
| 34ly | 321664846422065.19km |
| 35ly | 331125577199184.75km |
| 36ly | 340586307976304.31km |
| 37ly | 350047038753423.88km |
| 38ly | 359507769530543.44km |
| 39ly | 368968500307663.00km |
| Blynyddoedd golau | Cilometrau |
|---|---|
| 40ly | 378429231084782.56km |
| 41ly | 387889961861902.12km |
| 42ly | 397350692639021.69km |
| 43ly | 406811423416141.25km |
| 44ly | 416272154193260.81km |
| 45ly | 425732884970380.38km |
| 46ly | 435193615747499.94km |
| 47ly | 444654346524619.50km |
| 48ly | 454115077301739.12km |
| 49ly | 463575808078858.69km |
| 50ly | 473036538855978.25km |
| 51ly | 482497269633097.81km |
| 52ly | 491958000410217.38km |
| 53ly | 501418731187336.94km |
| 54ly | 510879461964456.50km |
| 55ly | 520340192741576.06km |
| 56ly | 529800923518695.62km |
| 57ly | 539261654295815.19km |
| 58ly | 548722385072934.75km |
| 59ly | 558183115850054.31km |