Q #2) How long does it take to mine 1 Ethereum? Answer: It takes around 7.5 days to mine Ethereum as of September 13, 2021, at the hash rate or hashing power of 500 mh/s with an NVIDIA GTX 3090 that hashes at around 500MH/s. With a GPU that hashes at around 28.2 MH/S, it should take much longer.17 Mar 2022