Player-input tool
My Giant Sandwich Earnings Calculator
Estimate upgrade wait time, offline earnings, income increase and payback using the values visible in your current game.
Transparent arithmetic
How the estimates work
Offline earnings equal current income per second multiplied by seconds away. Time to afford uses remaining cost divided by current income. Payback uses upgrade cost divided by the income increase. The site does not assume hidden multipliers, caps or bonuses.
Use it well
Read the game values, then verify the result
- Record your current cash and income per second in the game.
- Check the next purchase cost and expected income afterward.
- Enter time away and review the estimates.
- After buying or returning, compare the estimate with the actual result.
FAQ
Frequently asked questions
Does the calculator use a hidden official formula?
No. It transparently calculates from the current income, upgrade cost and upgraded income you enter.
How are offline earnings estimated?
The estimate equals current income per second multiplied by seconds away. The game may apply limits, so compare it with the actual result.
How is upgrade payback calculated?
Upgrade cost is divided by the income increase per second. Payback cannot be calculated when upgraded income does not increase.
Are my inputs uploaded?
No. All calculations run locally in your browser.