This FAQ explains what each input means and how to interpret your result.
Want to calculate now? Go to Bill-Gap Calculator.
It tells you whether you’re likely to make it to your next paycheck and how tight the gap is, using your cash, expected income, bills, necessary spending, and days until payday
Enter the money you can actually use today (accounts + wallet). Don’t include money you can’t spend.
It’s the net money you expect to receive before payday (after tax/deductions). If you won’t receive any, enter zero.
Bills due before payday that you must pay: rent, utilities, phone, minimum debt payments, subscriptions due in this period.
Basic costs you must cover in this period: groceries, transportation, essential day-to-day spending. Not extras.
Because “tightness” depends on time. A small leftover can be fine over 5 days but risky over 20 days.
It means you’re projected to run short before payday unless something changes (cut spending, delay a bill, add income, adjust timing).
Check the average leftover per day. You can be positive overall but still have a very low daily margin.
No. Put only necessary spending. Extras are exactly what usually causes the shortfall.
No. It’s a planning aid. You decide what actions to take.
Go back to the calculator: Bill-Gap Calculator