Free 50/30/20 Budget Calculator
Enter your monthly after-tax income and instantly see how much to spend on needs, wants, and savings. No signup, no email required.
What Is the 50/30/20 Rule?
The 50/30/20 rule is a simple budgeting framework that splits your after-tax income into three categories: 50% for needs, 30% for wants, and 20% for savings. It was popularized by Senator Elizabeth Warren as a way to keep finances balanced without tracking every penny.
For a deeper dive, read our full guide on the 50/30/20 budget rule explained.
What Counts as a Need?
Needs are non-negotiable expenses you must pay to maintain your basic life. The 50% category typically includes:
- Rent or mortgage payments
- Utilities — electricity, water, gas, internet
- Groceries (basic food, not dining out)
- Essential transportation — commuting, car payments, gas
- Health insurance and critical medications
- Minimum debt payments on loans and credit cards
If your needs exceed 50% of your income, that's a signal to look for ways to reduce fixed costs — often housing or transportation are the biggest levers.
What Counts as a Want?
Wants are the things you choose to spend money on but don't strictly need. The 30% category usually covers:
- Dining out, coffee shops, takeout
- Streaming services and subscriptions
- Clothing beyond the basics
- Hobbies, entertainment, and gym memberships
- Travel and vacations
- Upgraded versions of things you could get cheaper
This is where most budget flexibility lives. If you need to save more, cutting back on wants is usually the most accessible place to start.
What Counts as Savings?
The savings category covers money set aside for the future. The 20% allocation typically goes toward:
- Emergency fund (three to six months of expenses)
- Retirement contributions (401k, IRA, or equivalent)
- Investment accounts
- Specific savings goals — house, car, travel
- Extra debt payments beyond the minimum
Most financial advisors recommend building an emergency fund first, then shifting toward retirement and other long-term goals.
From Calculator to Real Budget
The calculator gives you target amounts. The hard part is actually tracking whether your real spending matches those targets. That's where a dedicated budget planner helps — BudgetWizard lets you log transactions, categorize them as needs, wants, or savings, and see at a glance whether you're staying within your targets each month.
Pricing is simple: free trial, then $4.99/month.
Turn Your Plan Into Action
The calculator shows you where your money should go. BudgetWizard shows you where it actually went — and helps you stay on track.
Start free trialFree trial, then $4.99/month.