Worked example
Rent of 1,500 from a 2,000 paycheck
The example in the calculator: 2,000 every two weeks, split 60/20/20, with rent of 1,500.
Each paycheck puts 1,200 in needs. The bills are rent of 1,500 due on the 1st, a 250 car loan on the 28th, plus a phone and internet. They come to 1,880 a month. Under 50/30/20, needs would get about 2,167 a month, leaving under 300 for groceries and transport. At 60%, a typical month brings about 2,600.
Rent and the car loan both fall to the October 23 paycheck. That's 1,750 of bills for 1,200 of needs money: 550 short.
So the October 9 paycheck, which only has 130 of bills, holds back 550 for the 23rd. The other 520 is free for groceries and other needs.
The 60/20/20 example's paydays in October 2026| Payday | Needs money | Bills | Result |
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| Oct 9 | 1,200 | 130 | Hold back 550 · 520 free |
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| Oct 23 | 1,200 | 1,750 | Short by 550 |
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