Budget Planner
Track income and expenses, see your balance instantly, and spot where your money actually goes. Fully usable on mobile.
How to Use the Budget Planner
From income and expenses to a clear balance in seconds. Fully usable on mobile.
Every calculation runs inside your own browser. No account, no tracking, nothing ever uploaded.
Budget Planner, Free and Online
A budget planner tracks your income and expenses side by side, so you always know your remaining balance and where your money is actually going, whether you're planning day by day, week by week, or a full month. This one works for students, freelancers, and anyone managing a personal or household budget, with an expense breakdown chart, savings goal tracking, and multiple saved budgets in Pro mode.
Most budgeting advice assumes you already know your numbers. This budget planner is built for the step before that, actually seeing them clearly. Add every income source, add every expense and give it a category, and the tool totals both sides instantly, shows your remaining balance in real time, and charts your spending by category so patterns that are easy to miss line by line become obvious at a glance. A Budget Period selector switches the whole layout between Daily, Weekly, and Monthly framing, useful whether you're checking if today's spending is on track or reviewing a full month's income against rent and bills. Pro mode adds a savings goal tracker, custom categories beyond the defaults, color themes, Pie and Bar chart views alongside the default Donut, and the ability to save multiple named budgets and switch between them.
Every category, every income source, and every chart in this tool all trace back to this one line. Nothing more complicated is happening under the hood, which is exactly why the numbers stay easy to trust.
1Simple vs Pro, What Each Mode Includes
| Feature | Simple Mode | Pro Mode (Free) |
|---|---|---|
| Unlimited income and expense rows, live totals | Included | Included |
| Daily, Weekly, Monthly period switch | Included | Included |
| Donut chart, Copy and CSV export | Included | Included |
| Pie and Bar chart views | Not included | Included |
| Savings goal tracker | Not included | Included |
| Custom categories, color themes | Not included | Included |
| Multiple saved budgets, Print/PDF export | Not included | Included |
2Common Budgeting Frameworks, Quick Reference
The mistake that undoes most first-time budgets is not choosing the wrong framework, it's underestimating spending in categories that don't feel like "real" expenses, subscriptions, takeout, small recurring purchases that never show up as one big number. A category breakdown chart exists specifically to catch this, since a dozen small purchases scattered across a bank statement are easy to miss individually but obvious the moment they're grouped together and shown as a single slice of a chart.
3Where the 50/30/20 Rule Actually Came From
The 50/30/20 split referenced constantly in budgeting advice has a specific, traceable origin. It comes from All Your Worth: The Ultimate Lifetime Money Plan, a 2005 book by Elizabeth Warren, then a Harvard Law School professor and later a United States Senator, co-written with her daughter Amelia Warren Tyagi. The two had spent years researching why middle-class families kept going broke even as household incomes rose, and their conclusion was straightforward, most people had no clear, simple sense of what they could actually afford to spend in each part of their life. Their fix was a rule anyone could remember without a spreadsheet, split after-tax income into needs, wants, and savings, in that 50/30/20 proportion. It has stuck around for two decades not because it is the most precise system available, but because it is the rare piece of financial advice simple enough that people actually follow it.
| Question | Quick Answer |
|---|---|
| Who introduced the 50/30/20 rule? | Elizabeth Warren and Amelia Warren Tyagi |
| Where was it introduced? | Their 2005 book, All Your Worth |
| What problem was it solving? | Middle-class families with no clear sense of what they could afford |
| What are the three categories? | Needs (50%), Wants (30%), Savings (20%) |
Every calculation runs inside your own browser using JavaScript, nothing is uploaded or sent to a server, and no account or signup is required.
4Frequently Asked Questions
Grounded in Fortune's own reporting on the origin of the 50/30/20 rule, not a generic budgeting claim with no source. The full article is available at Fortune. For related tools on this site, see the Freelance Tax Calculator and the full SmallStudyTools.com tool library.
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