ROI Calculator.
The payouts are determined by the Bitcoin network’s difficulty.
To calculate the ROI you can use a Bitcoin mining calculator and https://tradeblock.com/mining is one of the most accurate calculators.
To calculate your daily payouts visit https://alloscomp.com/bitcoin/calculator
How many bitcoins will I earn with ... Gh/s miner? https://mining-profit.com/ and https://mining-profit.com/calculator