Understanding your cost of living is like checking the fuel gauge in your car before a long road trip.

You need to know exactly how much “fuel,” or income, your lifestyle requires just to keep the engine running. Whether you are planning a move to a new city, considering a career change, or simply trying to get a handle on your monthly budget, calculating this number provides the clarity you need to make confident decisions.

Determining your cost of living is not just about adding up a few receipts; it involves looking at your spending through three distinct lenses: fixed, variable, and occasional expenses. Here’s a closer look at each category.

Start with your fixed expenses

Fixed costs are the “non-negotiables” in your life. They remain relatively stable from month to month, making them the easiest place to start. Grab your bank statements from the last three months and identify the following:

• Housing: Your mortgage or rent payment, including property taxes and homeowners association (HOA) fees
• Utilities: Your average costs for electricity, water, natural gas, and trash pickup
• Connectivity: Monthly bills for your internet, cell phone plan, and any essential streaming services
• Debts and insurance: Car payments, student loans, and premiums for health, auto, and life insurance

Sum these up to find your monthly baseline. These are the bills you must pay regardless of how much you’d like to socialize or shop.

Track your variable spending

Variable expenses fluctuate based on your habits and needs. Because these numbers change, you should calculate a monthly average based on ninety days of spending.

• Groceries and household goods: Include everything from your weekly produce to paper towels and cleaning supplies.
• Transportation: Factor in gasoline, public transit passes, or rideshare costs.
• Personal care and wellness: Include costs for beauty services like haircuts, as well as essentials such as prescription drugs and doctor visits.

To get an accurate average, add the total spent in each category over three months and divide by three. This prevents an unusually inexpensive grocery run or a long, gas-guzzling road trip from skewing your perception of your typical costs.

Don’t forget the hidden annual costs

Many people skip this step, which can make their budgets inaccurate. Occasional expenses are those that do not happen every month but are entirely predictable. Think about car registration fees, subscription renewals, holiday gift-giving, and routine home or car maintenance like oil changes.

Estimate the total you spend on these items over an entire year. Then, divide that total by twelve. By including this monthly slice in your calculation, you can help ensure that a surprise car repair or a holiday shopping spree does not derail your financial health.

Understand where you stand

Once you add these three categories together, you have your true cost of living. If your total income is significantly higher than this number, then you may be at a healthy margin for saving and investing. But if the numbers seem uncomfortably close, you can use this roadmap to gauge exactly where you can trim things down—usually by cutting or limiting variable expenses. It’s possible to slash your fixed expenses, such as by refinancing your mortgage or shopping for new insurance policies, but these are typically more difficult figures to adjust.

For more guidance on crafting a budget, understanding your fiscal needs, and aligning your lifestyle with your long-term goals, speak with a financial advisor.