Plain Money Systems
Budgeting

How to Build a Monthly Budget From Scratch (Free Template)

How to Build a Monthly Budget From Scratch (Free Template)

Building a monthly budget doesn't have to be complicated. In fact, the simpler it is, the more likely you are to stick with it. This guide walks you through creating your first budget from scratch — no accounting degree required.

Step 1: Know Your Monthly Income

Start by listing every source of income you receive in a typical month. This includes:

  • Your paycheck (after taxes and deductions)
  • Side hustle income (freelance, gig work, etc.)
  • Any other regular income (child support, rental income, etc.)
  • Use your actual take-home pay — the money that hits your bank account. Don't use your gross salary because you can't budget with money you never see.

    Step 2: List Your Fixed Expenses

    Fixed expenses are the bills that stay the same (or close to it) every month:

  • Rent or mortgage
  • Car payment
  • Insurance (health, auto, renters)
  • Phone bill
  • Subscriptions (Netflix, Spotify, gym)
  • Minimum debt payments
  • Write down every fixed expense and its amount. These are your non-negotiables.

    Step 3: Estimate Your Variable Expenses

    Variable expenses change from month to month. The best way to estimate them is to look at your bank statements from the last 2-3 months and average them out:

  • Groceries
  • Gas / transportation
  • Dining out
  • Entertainment
  • Personal care
  • Clothing
  • Household supplies
  • Step 4: Set Your Savings Goals

    Before you allocate leftover money to wants, decide what you're saving for:

  • Emergency fund (aim for $1,000 first, then 3-6 months of expenses)
  • Sinking funds (car maintenance, holidays, annual subscriptions)
  • Long-term goals (house down payment, vacation, investments)
  • Treat savings like a bill — pay yourself first.

    Step 5: Subtract Everything From Your Income

    Now do the math:

    *Income - Fixed Expenses - Variable Expenses - Savings = What's Left*

    If the number is positive, great — you can allocate the extra to savings or fun money. If it's negative, go back to Step 3 and look for areas to trim.

    Step 6: Track and Adjust Monthly

    A budget isn't a one-time document. At the end of each month:

  • Compare what you budgeted vs. what you actually spent
  • Identify categories where you overspent
  • Adjust next month's budget accordingly
  • The goal isn't perfection — it's awareness. Every month you budget is a month you're more in control of your money.

    Download the Free Template

    We've built a free expense tracker spreadsheet that handles the math for you. Just enter your numbers and it automatically calculates your totals, shows your remaining balance, and highlights overspending.


    This article is for general educational purposes only and does not constitute financial advice. Always consult a qualified financial professional for personalized guidance.

    Want the Free Expense Tracker?

    Download our free spreadsheet template and start tracking your money today.