Budgeting by Paycheck
A monthly budget assumes the month's money arrives all at once. Pay doesn't: it comes weekly, every two weeks or twice a month, and each bill has to be paid from whatever has arrived by its due date. Budgeting by paycheck plans each pay period on its own, so a month that balances on paper doesn't run short in the middle.
Published · Last updated · Part of the personal finance guide · How these guides are written
How Budgeting by Paycheck Works
Each paycheck covers the bills due before the next one arrives.
Paydays, not months
A paycheck budget treats the time between one payday and the next as the unit to plan. The money from a payday has to cover every bill due before the next one, plus the everyday spending in between.
What is left after that is the pay period's free money, which is a figure a monthly total can't show.
Why the timing matters
A month can bring in more than it pays out and still leave one pay period short, when several large bills fall due before the same payday.
Rent due on the 1st and a car payment due on the 10th both land before a payday on the 15th, so the paycheck before them carries both.
Take-home pay is the starting figure
Bills are paid from what reaches the account: take-home pay, after taxes, insurance and retirement contributions. Salary on paper is a larger number that never arrives as cash.
When take-home pay varies, such as with hourly work or tips, a figure at the low end of the usual range gives a plan that still holds in a lean week.
Weekly, Biweekly and Twice-a-Month Pay
How often pay arrives decides how many paychecks a month has to stretch across.
Every two weeks (biweekly)
26 paychecks a year, usually on the same weekday. Most months have two, and two months a year have three.
Because a year holds slightly more than 24 of them, a month's pay averages 2.17 paychecks. A budget that counts two a month leaves the third paycheck in those two months with no monthly bills against it.
Twice a month (semi-monthly)
24 paychecks a year, on the same two dates each month, such as the 15th and the last day. Every month has exactly two.
The dates stay fixed but the weekday moves, and a payday that falls on a weekend or holiday is often paid on the business day before.
Weekly and monthly
Weekly pay brings 52 paychecks a year, averaging 4.33 a month; four months a year have five paydays.
Monthly pay brings 12, so a single paycheck carries every bill until the next one, a month later.
Matching Bills to Paychecks
A worked example: one month that balances, and one pay period that doesn't.
The method
- List the paydays for the next month or two.
- List each bill with its amount and due date.
- Put each bill under the most recent payday before it's due.
- Subtract each payday's bills from that paycheck.
What remains under each payday is that pay period's money for everything else: groceries, fuel, savings.
An example
Take-home pay of $2,100 on the 15th and on the last day of each month, against five monthly bills:
- Last day's paycheck: rent $1,500 (due the 1st) and a car loan $380 (due the 10th) — $1,880, leaving $220
- The 15th's paycheck: phone $70 (the 18th), electricity $130 (the 22nd) and car insurance $160 (the 26th) — $360, leaving $1,740
The month brings in $4,200 and pays out $2,240, so $1,960 is left. Yet one pay period has $220 for two weeks of everything else.
A bill due just after payday
A bill due a few days after a payday is often paid from that payday's money, since the paycheck has usually arrived by then. Counting it under that payday moves it from the previous pay period into the current one.
The application's Cash Flow Planner does this by default for a bill due up to five days after a payday, and on its Medium and High settings the number of days can be changed for each bill.
Evening Out the Lean Pay Periods
The common ways a short pay period gets covered without changing what the month costs.
Carrying money forward
The fuller pay period can set aside part of its leftover for the next one. In the example, holding back $760 from the 15th's paycheck leaves $980 free in each pay period instead of $1,740 and $220.
The Cash Flow Planner makes the same move for every pay period it shows, paying upcoming bills early from a fuller period so the free money evens out as far as each bill's due date allows.
Moving a due date
Some lenders, card issuers and utilities let a customer choose or change a due date. A bill moved past a payday changes which paycheck carries it, and the month's total stays the same.
Whether a change is possible, and how often, depends on the company.
Bills that aren't monthly
An annual premium or a twice-yearly tax bill can be divided across the paychecks before it's due, with a share set aside each payday. This is often called a sinking fund.
With biweekly pay, the third paycheck in two months of the year has no monthly bills counted against it, and is a common place for these shares or for savings.
A Bill Calendar Built From Your Paydays
The same plan on a calendar: paydays first, then each bill on its due date.
Making one
- Mark every payday for the next two or three months.
- Write each bill on its due date, with its amount.
- Draw a line at each payday: everything up to the next line is that paycheck's to cover.
- Total each pay period's bills and compare them with its paycheck.
Keeping it current
A bill calendar is only as accurate as its latest change: a new subscription, a raise, a bill paid off. Reviewing it when a bill arrives that isn't on it keeps the pay periods honest.
Two or three months ahead is long enough to see a lean period coming and short enough to keep up to date.
Paper, spreadsheet or app
A wall calendar, a spreadsheet and a phone calendar all hold the same plan. A spreadsheet adds the totals; a phone calendar adds reminders.
The application's Cash Flow Planner builds the calendar from your paydays and bills, shows each pay period's free money, and can export the bills to a phone or computer calendar.
Put this into practice
The Cash Flow Planner puts each bill under the paycheck that covers it and shows what is left in every pay period. A new account starts with a few questions about your pay and your main bills, and the planner opens on them.