Photo by Mick Haupt on Unsplash
A budget is a plan for your money: a decision, made before you spend, about how your income will be split between needs, wants, savings and paying off debt. To make your first one, write down what comes in, sort what goes out into a few categories, and adjust until the two match.
It doesn't need to be perfect, and it doesn't mean never spending on things you enjoy. It's a planning tool, not a punishment.
Why bother
Without a plan, spending tends to grow to fill whatever income you have. This is often called lifestyle creep: a raise disappears, and nobody's quite sure where. A budget breaks that habit by giving each dollar a purpose before it's spent.
It also shows you where your money really goes. It's easy to feel you're good with money until the numbers show how much goes on eating out and subscriptions. Often, just seeing that is enough to change it.
Step 1: Work out your income
Use your take-home pay, what actually lands in your account after tax and deductions. If your income varies, start with a cautious figure, such as your lowest recent month.
Step 2: Sort your spending
Look back over a month or two of bank and card statements, and put each outgoing into one of these groups:
- Fixed costs: the same every month and hard to change, such as rent, loan payments and insurance.
- Variable necessities: needed, but the amount changes, such as groceries, utilities and transport.
- Discretionary spending: wants, such as eating out, entertainment, hobbies and extra clothes.
- Savings and investments: money set aside for later.
- Debt repayment: anything paid above the minimum on loans or cards.
Step 3: Give every dollar a job
Here's an example for someone taking home $3,500 a month:
| Category | Monthly plan |
|---|---|
| Fixed costs (rent $1,300, phone and insurance $300) | $1,600 |
| Variable necessities | $700 |
| Discretionary spending | $500 |
| Savings | $500 |
| Extra debt repayment | $200 |
| Total | $3,500 |
The goal is for the plan to add up to your income, with nothing left unaccounted for. Savings and debt repayment are jobs too, so a budget that comes to exactly zero isn't one that spends everything.
If your first draft adds up to more than you earn, that's normal. Discretionary spending is usually the easiest place to cut first. If you don't have one yet, an emergency fund is a good first job for your savings line.
Step 4: Check it and adjust
After a month, compare what you planned with what you actually spent. The first budget is a rough draft. The value comes from adjusting it each month as your income, goals and life change.
Pick a method that suits you
Once you know your numbers, a simple framework can make the plan easier to keep. The 50/30/20 rule is a common starting point, and there are other options too, such as zero-based budgeting and the envelope method.
Learn it properly
Finance Brain's What Is a Budget lesson, in the Personal Finance course, covers the core parts of every budget and why budgeting works, and ends with a short quiz. The Budgeting Methods and Tracking Your Spending lessons that follow it go further.
Finance Brain is educational content, not financial advice.