Penny PaydayThe example
One person, paid $2,100 every other Friday, with these monthly bills:
| Bill | Due | A month |
|---|---|---|
| Rent | 1st | $1,550 |
| Electric and internet | 25th | $150 |
| Phone | 12th | $80 |
| Car insurance | 5th | $140 |
| Car payment | 20th | $300 |
| Streaming and apps | 15th | $30 |
| Card minimum | 18th | $80 |
| Total | $2,330 |
Two checks a month, so each check covers half: $2,330 ÷ 2 = $1,165. The check that lands before rent is due won't always hold exactly half; here's how to even it out.
This example has a $300 car payment, $150 of each check.
One check, start to finish
| Take-home check | $2,100 |
| Half the monthly bills | −$1,165 |
| Set aside | −$125 |
| Groceries for two weeks | −$210 |
| Gas for two weeks | −$80 |
| Left for day to day | $520 |
| ÷ 14 days = $37.14, rounded down | $37 a day |
| Left over at payday (14 × $37 = $518) | $2 |
$37 a day covers everything not on the list: food out, coffee, a store run. Spend less one day and the days after get a little more; spend more and they get less. To see it with your own numbers, open this example in the calculator and change what's different.
Where the $2,100 goes
| Part | Amount | Share of the check |
|---|---|---|
| Bills (half the month) | $1,165 | 55% |
| Set aside | $125 | 6% |
| Groceries $210, gas $80 | $290 | 14% |
| Day to day, including the $2 left over | $520 | 25% |
| Total | $2,100 | 100% |
Shares are rounded to whole percents.
Compared with the 50/30/20 rule of thumb
The 50/30/20 rule of thumb splits take-home pay into 50% needs, 30% wants and 20% savings. On a $2,100 check that's $1,050 for needs, $630 for wants and $420 for savings.
In the example, needs (the bills, groceries and gas) take $1,455, 69% of the check. Half the rent alone is $775, 37%. When rent is that big a share, the rule's split doesn't fit, and the set-aside starts smaller ($125, 6%). It's a rule of thumb, not a rule; the daily number is what tells you whether the check works.
If your numbers are different
- Every extra $100 of bills on this check takes about $7 off the daily number ($100 ÷ 14 = $7.14).
- Two months a year bring a third check: $6,300 that month instead of $4,200. Find your 3-paycheck months.
- Hours change from check to check? Plan on your lowest regular check and treat anything above it as extra when it lands.
- Paid weekly instead? A $1,050 weekly check is the same money; plan it over 7 days.
Questions
How much is $2,100 biweekly a month?
$4,200 in most months, from two checks. Averaged over the year it's $4,550 a month (26 checks ÷ 12 months), because two months bring a third check of $2,100.
How much is $2,100 biweekly a year?
$54,600 in take-home pay over 26 checks. Some years have 27 paydays, which makes it $56,700.
How much can I spend a day on $2,100 biweekly?
There's no single right number: it's what's left after the bills due before your next payday and what you plan to set aside and buy, divided by 14. In this made-up example it's $37 a day. Try yours in the calculator.
Penny does this with your real numbers. Type your check and bills once; every payday she splits the new check and gives you one number a day.
Other paycheck sizes: $2,000 biweekly · $2,200 biweekly · All paycheck sizes
This page does arithmetic on example numbers. It is not financial advice.