A budget falls apart when it lives in your head. Putting it in a Google spreadsheet costs nothing, syncs across your phone and laptop, and does the math for you the moment you type a number.
This guide covers the free templates already built into Google Sheets, plus how to build your own from a blank sheet. By the end you will know which categories to include and the handful of formulas that make a budget run itself.
Use a built-in Google Sheets template
The fastest start is a template Google already provides. Open Google Sheets, click the template gallery at the top, and look under the Personal section.
Google includes two ready-made options: Monthly Budget and Annual Budget. The Monthly Budget template gives you an income box, an expenses box, and a summary that compares planned versus actual spending automatically.
To use it, click the template once and it opens a fresh copy in your Drive. Your original stays untouched, so you can experiment without breaking anything. Rename it with the month and year so you can find it later.
These templates are a fine starting point, but they are generic. Most people end up adding or renaming categories, which is easy once you understand how a budget sheet is wired.
Build your own from a blank sheet
A custom sheet takes about ten minutes and fits your life better than any template. Start with a blank Google Sheet and create three columns: Category, Planned, and Actual.
Group your rows into income at the top and expenses below. A clear structure beats a fancy one, so keep it readable with a bold header row and one section per spending area.
Here is a simple layout you can copy:
| Category | Planned | Actual |
|---|---|---|
| Income (take-home pay) | $4,000 | $4,000 |
| Rent | $1,300 | $1,300 |
| Groceries | $500 | $540 |
| Utilities | $180 | $172 |
| Transportation | $250 | $235 |
| Savings | $400 | $400 |
| Leftover | $1,170 | $1,153 |
The Leftover row is the heart of the sheet. It tells you whether your plan balances before the month starts and how it actually finished.
The categories to include
A budget works only if it covers your real spending. Missing categories are why people overspend and feel like budgeting does not work for them.
Start with fixed costs that stay the same each month: rent or mortgage, insurance, loan payments, and subscriptions. Then add variable costs that move: groceries, gas, dining out, and shopping.
Do not forget the categories people skip. Build a line for irregular bills like car registration and an annual insurance premium, plus a sinking fund for gifts and holidays. A savings line and a debt payoff line belong on every budget too.
The formulas that do the work
Three formulas turn a static list into a working budget. You can type all of them in a minute.
Use SUM to total a column. If your expense amounts run from B3 to B12, type =SUM(B3:B12) at the bottom to add them up. Drag it across to total the Actual column too.
Use subtraction to find your leftover money. In the Leftover cell, type your income cell minus your total expenses cell, such as =B2-B13. If the result is negative, your plan spends more than you earn.
Use SUMIF when you want to total only certain rows, like every transaction tagged "Groceries." The pattern is =SUMIF(range, "Groceries", amount_range). This is handy if you paste raw transactions into a second tab.
A spreadsheet only reflects the numbers you feed it, and pulling every transaction by hand is the step most people abandon. Monarch Money is a paid app that syncs your bank and card accounts and categorizes spending automatically, then shows budgets and trends in one dashboard. For a reader who likes the structure of a sheet but not the manual data entry, it does the typing for you. Terms and pricing apply.
Monarch Money

Monarch Money
Monarch Money simplifies personal finance by uniting all your accounts in one place—secure, ad-free, and built for couples. 50% off your first year when you sign up via Firstcard!
Standout feature
#1 rated budgeting app (WSJ). 50% off first year via Firstcard.
Fees
$14.99/mo or $99.99/yr ($8.33/mo)
Pros
Beautiful, ad-free interface (4.9★ App Store). Best budgeting app for couples and families. Comprehensive account syncing and cash flow forecasting.
Cons
No free tier — requires paid subscription.
Make the sheet easier to read
A budget you can scan at a glance is a budget you will actually open. Two quick formatting tricks help.
Use conditional formatting to flag overspending. Select your Actual column, open Format then Conditional formatting, and set a rule to turn a cell red when it is greater than the planned amount. Now overspending jumps out without you doing any math.
Freeze the header row so your column titles stay visible as you scroll. Click View, then Freeze, then 1 row. Small touches like this keep a long sheet usable.
Keep it updated without the chore
The best budget template is the one you keep current. Set a recurring 15-minute slot each week to enter spending, or do a quick daily check on your phone.
If manual updates are your sticking point, a budgeting app can carry the load. Piere is a free budgeting app that tracks spending automatically and groups it into categories, so you can watch a month unfold without touching a spreadsheet. It pairs well with a Google Sheet: use the app for daily tracking and the sheet for planning. Terms apply.
Many users of automated budget apps report that auto-categorization saves real time, though some note that occasional transactions land in the wrong category and need a quick manual fix. Reviewing your categories once a week keeps the numbers honest.
Piere

Piere
Put your money on autopilot with Piere. Beat the temptation to overspend with AI-powered budgeting that automatically saves and repays debt for you. Track your net worth and win at budgeting with personalized AI guidance.
Standout feature
AI-powered autopilot saving and debt repayment. Free 7-day trial.
Fees
Free tier available; Piere Plus $9.99/mo or $79.99/yr
Pros
Intuitive, calming interface. AI automates saving and debt repayment. Free tier with substantial functionality.
Cons
Android app has limited features compared to iOS.
When your budget touches credit
A budget is not only about spending. It is also where you see how much of your income goes to debt and how your credit habits affect your goals.
If your sheet shows credit card balances and you want to understand the score behind them, Creditship offers free credit monitoring and score tracking so you can watch your progress alongside your budget. Seeing your score move as you pay down balances connects your monthly numbers to a longer-term goal. Terms apply.
Start your sheet today
Open Google Sheets, copy the Monthly Budget template or build the three-column layout above, and fill in last month's real numbers. A budget built on actual spending beats a guess every time.
Then pick one weak category, set a tighter Planned number for next month, and watch whether your Actual stays under it. Small, repeated wins are what make a budget stick.
Frequently Asked Questions
Does Google Sheets have a free budget template?
Yes. Open the template gallery at the top of Google Sheets and look in the Personal section for the Monthly Budget and Annual Budget templates. Both are free and open a fresh copy in your Drive when you click them.
What formulas should a budget spreadsheet use?
Three cover most needs: SUM to total a column, simple subtraction to find leftover money, and SUMIF to total only rows that match a label. You can add all three in a few minutes without any spreadsheet experience.
How many categories should a budget have?
Most people do well with 10 to 15 categories. Too few hides where money goes, and too many becomes tedious to track. Start broad and split a category only when you need more detail.
Can I use a Google Sheets budget on my phone?
Yes. Install the free Google Sheets app, and your budget syncs automatically across your phone, tablet, and computer. You can enter spending on the go and see the same numbers everywhere.

