How many bitcoins we can miner per a day with S7 AntMiner?

The mining rewards would keep change everyday due to mining difficulty level.

You can mine up to 0.00300748 BTC per day, that's to mine 1 bitcoin with a single s7 miner, it would take 1/0.00300748 = 332.5 days.

For more accurate details, please visit https://alloscomp.com/bitcoin/calculator