How the 50/30/20 rule works
The 50/30/20 rule splits your monthly take-home pay into three groups. Half goes to needs, the bills you cannot skip. Up to 30% goes to wants, the things that make life enjoyable but could wait. At least 20% goes to your future: savings, investing and paying off debt faster. Senator Elizabeth Warren and her daughter Amelia Warren Tyagi popularized the rule in their book "All Your Worth" as an easy alternative to tracking every expense line by line.
The rule works on income after taxes because that is the money you actually decide about. If you are paid every two weeks, the planner turns your paycheck into a monthly amount with 26 paychecks a year: paycheck × 26 ÷ 12.
| Monthly take-home pay | Needs (50%) | Wants (30%) | Savings (20%) |
|---|---|---|---|
| $3,000 | $1,500 | $900 | $600 |
| $4,000 | $2,000 | $1,200 | $800 |
| $5,000 | $2,500 | $1,500 | $1,000 |
| $6,000 | $3,000 | $1,800 | $1,200 |
| $7,500 | $3,750 | $2,250 | $1,500 |
Needs vs wants: what goes where
A need is something you must pay to keep a roof over your head, stay healthy and get to work. A want is anything you could cut or pause without real harm. The line is not always clear, so a good test is the minimum version: basic groceries are a need, but the extra cost of takeout is a want.
- Needs: rent or mortgage, utilities, groceries, health and car insurance, transportation to work, phone and internet, childcare and the minimum payments on your debts.
- Wants: dining out, streaming and other subscriptions, entertainment, clothes beyond the basics, hobbies, gym memberships and travel.
- Savings and debt payoff: your emergency fund, retirement and other investing, and any debt payment above the minimum.
Sort each expense into one of these categories once, then keep it there. Consistency matters more than getting every edge case right.
Adjusting the split for a high cost of living
In many cities rent alone can take a large share of a paycheck, which makes 50% for all needs hard to reach. That does not mean the idea fails. Switch to a 60/20/20 split to keep a solid savings rate with less room for wants, or to 70/20/10 when needs are very high and you want a realistic starting point. You can also set a custom split, as long as the three shares add up to 100%.
Treat a heavier split as temporary where you can. A roommate, a cheaper insurance policy, refinancing a loan or a raise can each move you back toward 50/30/20. If your pay rises, try to send most of the increase to savings before it turns into new wants.
To build the 20% part, the emergency fund calculator shows how long a cushion of three to six months takes, and the debt snowball planner shows where extra debt payments go.
How to use the budget planner
- 1Enter your take-home pay and choose whether it is monthly, every two weeks or yearly. Your 50/30/20 targets appear right away.
- 2Keep the 50/30/20 split or pick 60/20/20, 70/20/10 or your own custom shares.
- 3Add your monthly expenses to the needs, wants and savings groups, using the suggested categories or your own.
- 4Compare actual spending with each target, read the tips, and copy the result, share a link or download your budget as a CSV file.
Frequently asked questions
What is the 50/30/20 rule?
It is a simple way to split your take-home pay: 50% for needs like housing, groceries and insurance, 30% for wants like dining out and travel, and 20% for savings and paying off debt. The rule was popularized by Elizabeth Warren and her daughter Amelia Warren Tyagi in their book "All Your Worth". It is a starting point, not a strict law.
Is the 50/30/20 rule based on gross or net income?
On your take-home pay, the money that reaches your bank account after taxes. If retirement contributions or health insurance are taken out of your paycheck before you see it, you can leave them out, or add them back to both your pay and the matching group so the picture is complete. Either way works as long as you do it the same way each month.
What if my needs take more than 50% of my pay?
That is common where rent is high or on a lower income. Pick the 60/20/20 or 70/20/10 split to get targets you can actually reach, and keep the savings share as high as you can. Over time, the biggest lever is usually your largest fixed cost: housing, a car payment or insurance.
Do debt payments count as needs or savings?
The minimum payments on your debts are needs, because you have to make them. Anything you pay above the minimum counts toward the savings and debt payoff group, since it lowers what you owe and frees up money later.
Is my budget saved or sent anywhere?
Nothing is sent to a server. The planner runs in your browser. If you turn on "Remember on this device", your numbers stay in this browser for your next visit, and turning it off deletes them. A copied link contains your numbers, so only share it with people you trust.