Calculate Your True Cost Per Mile By Using This Simple Formula to Tame Your Fleet Costs

The Cost Per Mile is the total cost for a vehicle in your fleet to travel one mile. High fleet costs can secretly eat into your profits, and it can be hard to know where the money is actually going. This often involves partnering with dedicated delivery services to better manage the overall operating cost. This guide gives you a simple formula to find that number, protect your family home from business risks, and a 30-day plan to take back control.

Key Takeaways: A Blueprint for Taming Fleet Costs

• Your Cost Per Mile is the total of all your fleet’s fixed and variable costs divided by the total miles travelled.
• Focus on keeping good drivers, because replacing a single driver can cost over $8,000 in hidden expenses.
• Use two different lenders for your home and business to build a financial firewall that protects the family home.
• Run a 30-day audit to get the data you need to make a smart decision about your fleet’s future.

On This Page

• Step 1: Calculate Your True Cost Per Mile
• Step 2: Lower Your People Costs with a Driver Retention Plan
• Step 3: Use Two Different Lenders to Eliminate Financial Risk
• Step 4: Start a 30-Day Fleet Audit to Take Control

Step 1: Calculate Your True Cost Per Mile

To find your all-in Cost Per Mile, you need to gather some numbers from your business records. Open your accounting software, like Xero or MYOB, and pull out your fuel card statements and vehicle loan documents. You are looking for two sets of numbers.

• Fixed Overheads: These are costs that remain constant each year. Look for the yearly totals for insurance, registration, loans, and any wages for a fleet manager.
• Variable Outgoings: These are costs that change. Look for the yearly totals for fuel, tyres, scheduled maintenance, and driver wages.

Now, use this formula to get your number.

Why This Number Matters

This number tells you the real story of your fleet’s financial health. As a general guide, a well-run 2-tonne van in a city area should operate for about $0.65 to $0.85 per mile. A bigger 6-tonne truck might cost between $1.10 and $1.50 per mile. Even if your records are a bit messy, getting a number that is 80% correct is much better than guessing. Once this number is clear, you can figure out what is causing it to be so high. From my experience, the highest hidden cost is almost always your people.

Step 2: Lower Your People Costs with a Driver Retention Plan

To lower your people costs, you need to focus on keeping your good drivers. A high Cost Per Mile is often a sign of high driver turnover.

Why This Matters

Studies from the Upper Great Plains Transportation Institute show that replacing just one driver can cost between $8,000 and $10,000. That cost comes from the time and money spent on recruitment and training, plus the work that doesn’t get done while the new driver gets up to speed. This is a huge hidden cost that many business owners don’t track. Building a stable team of drivers protects your revenue and lowers your Cost Per Mile.

Here is a simple and respectful system I recommend to keep your drivers happy.

• Give them dedicated routes. When a driver does the same run every day, they learn the traffic patterns and the customers. This makes them faster, more efficient, and happier in their work.
• Give them psychological ownership. Assign one truck to one driver. When they feel like it’s “their truck,” they take better care of it. They are more likely to report small mechanical issues early, which saves you money on major repairs down the road.
• Give them a fair pay structure. Good people will leave if their pay is unpredictable. A consistent, easy-to-understand wage is one of the most important factors for driver satisfaction.