When a paycheck lands, the easiest thing to do is nothing — and then wonder where it went two weeks later. The payday split is the opposite move: before you spend anything, send each part of the paycheck to its job.
Here is the version I use in a spreadsheet. It is three columns: a job, a percentage, and a formula.
The split
Take a template example paycheck of $3,000. These are template example rows, not real bills.
| Job | Share | Formula | Amount |
|---|---|---|---|
| Bills | 50% | =ROUND(paycheck * 0.5, 0) | $1,500 |
| Extra debt payment | 20% | =ROUND(paycheck * 0.2, 0) | $600 |
| Savings | 20% | =ROUND(paycheck * 0.2, 0) | $600 |
| Flexible spending | 10% | =ROUND(paycheck * 0.1, 0) | $300 |
Check: $1,500 + $600 + $600 + $300 = $3,000. Nothing is left unassigned, and nothing is double-counted.
Why the order matters
The split works because the order is fixed. Bills first, so nothing essential is missed. The extra debt payment second, so it goes to the smallest debt first — that is the debt snowball in one line: smallest balance first, extra payment on top of the minimum, everything else just minimums. Savings third, before flexible spending gets a chance to absorb it. Flexible spending last, and it is capped by its own share, not by whatever is left.
If a paycheck is different, only one number changes: the paycheck cell. Every amount recalculates from it. That is the whole point of doing it in a spreadsheet instead of in your head.
When the split breaks
Two cases break it, and both are easy to spot. First, if bills alone are over 50%, the percentages have to move — the split is a starting point, not a rule. Second, if an irregular yearly bill lands in the same month, the monthly number jumps; the fix is the one from my earlier post: divide each yearly charge by 12 and set that slice aside every month, so the payday split sees a steady monthly figure instead of a surprise.
Try it
The free sample is the monthly budget sheet on its own, and the full template adds the expense summary and the debt snowball sheet that ranks your debts and works out the extra payment:
- Free sample: https://ko-fi.com/s/cfb94374dd
- Full Family Budget & Debt Snowball Planner ($0.99): https://ko-fi.com/s/3ba2ef96cd
- Subscription & Bill Tracker ($0.99): https://ko-fi.com/s/bbc130f6e7
This is a method plus example arithmetic, not a savings promise. Your percentages will differ, and that is fine — the habit is assigning every dollar a job before you spend it.
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