Today 1 BTC = $62,000.

You can buy 1,612 Satoshis, or 0.00001612 BTC, for $1.

If someone earns $15/hour, they can buy 24,193 satoshis or 0.00024193 BTC per hour.

When Bitcoin is $1M, this amount of BTC will be worth $241.93, meaning you ~16x your money.

Your actual hourly wage will be worth a lot less in terms of Bitcoin (eg. if it's $20/hour, you'll be able to buy 2,000 Satoshis or 0.00002 BTC with the hourly wage), but the purchasing power of your savings will increase.