Free calculator

50/30/20 Budget Calculator

Enter one paycheck and how often you’re paid. The calculator turns it into monthly take-home pay and splits that 50/30/20 between needs, wants, and savings and debt payments. You can also add what you spend now to see how it compares.

Monthly take-home pay

$5,200

26 paychecks of $2,400 a year, divided by 12

Needs (50%): $2,600; a month · $1,200 a paycheck
Wants (30%): $1,560; a month · $720 a paycheck
Savings and debt (20%): $1,040; a month · $480 a paycheck

Taking home $2,400 every two weeks works out to about $5,200 a month. A 50/30/20 split puts $2,600 toward needs, $1,560 toward wants and $1,040 toward savings and debt payments.

Most months bring 2 paychecks ($4,800), $400 less than the monthly average. The other 2 paychecks of the year land in months with an extra payday.

Your 50/30/20 split each month

Needs: $2,600(50%)
Wants: $1,560(30%)
Savings and debt: $1,040(20%)

Your 50/30/20 budget

Bucket	Paycheck	Month	Year
Needs 50%	$1,200	$2,600	$31,200
Wants 30%	$720	$1,560	$18,720
Savings and debt 20%	$480	$1,040	$12,480
Take-home pay	$2,400	$5,200	$62,400

To see how your own spending compares, open “Compare with what you spend now” under your pay and enter a typical month.

What this calculator assumes

The split is the 50/30/20 rule of thumb: 50% of take-home pay for needs, 30% for wants and 20% for savings and debt payments. It’s a common guideline for a starting budget, not an official standard.
Pay means take-home pay, after taxes and deductions. Money taken out before your paycheck, such as a 401(k) contribution, isn’t in these numbers, even though it’s saving too.
Monthly take-home pay is a year’s paychecks divided by 12. That’s 52 paychecks a year if you’re paid weekly, 26 if biweekly and 12 if monthly, the pay-period counts the IRS uses. Because of how the calendar falls, an occasional year has 53 weekly or 27 biweekly paydays.
Every paycheck is the same size. If your pay changes with overtime, tips, commission or shifts, the results are only as good as the paycheck you enter.
Payments on credit cards and loans other than a mortgage count in the 20% for savings and debt, as on the CFPB’s budgeting worksheet. Some versions of the rule count minimum loan payments as needs instead.
The spending you enter is for one month, and the comparison doesn’t check which bucket each cost belongs in.

These are estimates to help you understand the numbers, not financial advice. Check the exact figures with your lender or a qualified adviser before making a decision.

What the 50/30/20 rule is

The 50/30/20 rule splits your take-home pay (what’s left after taxes and other deductions) into three buckets:

50% for needs: the costs you’d still have if your income stopped, like rent, utilities, groceries, insurance and getting to work.
30% for wants: the things you choose to spend on, like eating out, subscriptions, hobbies and travel.
20% for savings and debt payments: an emergency fund, retirement savings and paying down credit cards or loans.

The idea is usually credited to Elizabeth Warren and Amelia Warren Tyagi’s 2005 book All Your Worth, which splits money into must-haves, wants and savings. The Consumer Financial Protection Bureau (CFPB) includes it in a worksheet on money rules people often hear. A rule like this is a rule of thumb: a quick guideline that’s easy to remember, not a standard set by any regulator. The CFPB’s research on rules of thumb found evidence that, in some situations, they can work better than more detailed and complex financial education.

Turning a weekly or biweekly paycheck into a monthly budget

Most bills come once a month, but many people are paid weekly or every two weeks. To budget by the month, the calculator works out what a year of paychecks adds up to and divides it by 12:

Weekly: paycheck × 52 ÷ 12. That’s about 4.33 paychecks a month, not 4.
Biweekly (every two weeks): paycheck × 26 ÷ 12. That’s about 2.17 paychecks a month, not 2.
Twice a month (say, the 1st and the 15th): 24 paychecks a year, so a month really is two paychecks. Choose “Month” and enter both added together.

Counting a biweekly paycheck as exactly two a month leaves out two paychecks a year, and counting a weekly one as four leaves out four. The average has a catch too: it’s more than an ordinary month brings. On a biweekly schedule, most months have two paydays and two months a year have three. The calculator shows both figures, so a two-paycheck month sits next to the average.

Worked example

Say your take-home pay is $2,400 every two weeks. That’s 26 paychecks a year, so $2,400 × 26 = $62,400, and $62,400 ÷ 12 = $5,200 a month on average.

Needs (50%): $2,600 a month, or $1,200 from each paycheck.
Wants (30%): $1,560 a month, or $720 a paycheck.
Savings and debt payments (20%): $1,040 a month, or $480 a paycheck.

Now say a typical month’s bank statement shows $2,900 on needs, $1,100 on wants and $400 going to savings and a credit card. Needs take 56% of take-home pay, $300 more than the 50% guideline. Wants take 21%, and savings and debt payments 8%. The three add up to $4,400, which leaves $800 a month that hasn’t been given a job yet. Moving that $800 to savings would bring the 20% bucket to $1,200, or 23% of pay.

Needs, wants or savings? Sorting common costs

Cost	Usually counted as
Rent or mortgage, utilities, groceries	Needs
Car insurance, gas or a transit pass to get to work	Needs
Restaurants, takeout, coffee out	Wants
Streaming services, gym, hobbies, vacations	Wants
Emergency fund, retirement account deposits	Savings and debt
Credit card and student loan payments	Savings and debt (some versions count the minimum as a need)

Some costs sit in both buckets. A basic phone plan is a need, while the newest phone on a monthly plan is partly a want. Groceries are a need, while the extra for premium brands is a want. There’s no single correct way to sort them, but sorting them the same way each month keeps the comparison fair.

Making the numbers useful

Start from real spending. The CFPB’s worksheet starts by keeping track of everything you spend for a month. Bank and card statements make this quicker, and the totals can go straight into the comparison above.
Treat the percentages as a starting point. When rent is high or income is low, needs can take more than half of take-home pay. The comparison shows how far each bucket is from 50/30/20, so it’s clear where the pressure is. The CFPB’s worksheet suggests writing your own spending rule that fits your situation, such as a weekly limit on wants.
Give leftover money a job. The comparison shows any take-home pay that isn’t in a bucket yet. Assigning it, even if the job is savings, means every dollar of pay is accounted for.
Plan for extra paychecks. With biweekly pay, two months a year bring a third paycheck. With weekly pay, four months bring a fifth. A budget built on an ordinary month doesn’t rely on them, so they can go to one bucket in full, such as savings or a debt.
Revisit it when your pay changes. A raise, a new job or a change in hours changes all three buckets. Entering the new paycheck shows how the split moves.

Guides on this topic

Frequently asked questions

What is the 50/30/20 rule?

It’s a simple way to split take-home pay: about 50% for needs, 30% for wants and 20% for savings and paying down debt. It’s usually credited to Elizabeth Warren and Amelia Warren Tyagi’s 2005 book All Your Worth, and the CFPB lists it among the money rules people commonly hear. It’s a rule of thumb, so the percentages are a starting point rather than a target everyone has to hit.

How do I work out my monthly income if I’m paid biweekly?

Multiply one paycheck by 26, the number of biweekly paydays in a year, then divide by 12. A $2,400 biweekly paycheck is $62,400 a year, or $5,200 a month on average. Doubling the paycheck gives $4,800, which leaves out the two extra paychecks you get each year. For weekly pay, multiply by 52 and divide by 12.

Does the 50/30/20 rule use gross or net pay?

Net pay, also called take-home pay: what reaches your bank account after taxes and deductions such as health insurance. Gross pay is the larger figure before anything is taken out. The CFPB’s 50/30/20 worksheet uses take-home pay, and so does this calculator.

What counts as a need and what counts as a want?

Needs are the costs you’d still have to cover if your income stopped: housing, utilities, groceries, basic clothing, insurance, transportation to work and child care. Wants are things you could cut back without real hardship, such as eating out, streaming services, new gadgets and trips. Some costs are part of each: a basic phone plan is a need, while the upgrade is a want.

Do debt payments go in needs or in the 20%?

It depends on the version of the rule. The CFPB’s worksheet puts credit card payments in the savings and debts bucket alongside retirement and emergency savings, and this calculator does the same for every debt except a mortgage or rent. Other versions count the minimum payments as needs and only extra payments in the 20%. Either works, as long as each payment is counted once.

What if my needs take more than 50% of my pay?

Then the standard split doesn’t match your situation as it stands, which can happen when rent is high or income is low. The CFPB suggests turning general rules like this one into your own personal rule that fits your finances. The comparison in the calculator shows how far each bucket is from 50/30/20, which makes it easier to see where a change would matter most.

Where does my 401(k) contribution fit?

If it comes out of your pay before the money reaches you, it isn’t in your take-home pay, so it isn’t in this calculator’s numbers. It still counts as saving, so your real savings rate is higher than the 20% bucket alone shows. Money you move to savings yourself after payday goes in the 20%.