How to Calculate Trucking Profit Per Mile

To calculate profit per mile, you must subtract your total cost per mile (TCPM) from your total revenue per mile (RPM). The resulting figure represents the net income generated for every odometer mile driven, including deadhead miles. For an owner-operator or fleet to remain solvent, the profit per mile must cover not only the driver’s take-home pay but also business reinvestment and tax obligations. According to the American Transportation Research Institute (ATRI), the average marginal cost to operate a truck in 2023 was approximately $2.27 per mile, meaning any revenue below this threshold results in a net loss. Accurate calculation requires meticulous tracking of two distinct expense categories: fixed costs and variable costs. Fixed costs, such as insurance premiums and truck payments, remain constant regardless of mileage. Variable costs, including diesel fuel and maintenance, fluctuate based on distance traveled. By dividing these total monthly expenses by the total miles driven (both loaded and empty), you establish your break-even point. DispatchTool helps operators track these metrics in real-time to ensure every load accepted contributes positively to the bottom line.

Calculating Total Revenue Per Mile (RPM)

Total revenue per mile is the quotient of your gross linehaul income plus fuel surcharges divided by the total miles driven during a specific period. If a truck earns $5,000 in a week and travels 2,200 miles (including 300 deadhead miles), the RPM is $2.27. It is a common mistake to calculate revenue based only on loaded miles; however, since expenses are incurred every time the wheels turn, you must include all miles in the denominator. According to DAT Freight & Analytics, spot market rates fluctuate seasonally, often ranging between $2.00 and $3.00 per mile depending on equipment type like dry van, reefer, or flatbed.

Identifying Fixed Costs (Standing Costs)

Fixed costs are expenses you pay even if the truck sits idle for the entire month. These typically include truck payments ($1,500–$3,500/month), physical damage and liability insurance ($8,000–$15,000/year), ELD subscriptions, and permits like UCR or IRP. To find the fixed cost per mile, divide the monthly sum of these expenses by your average monthly mileage. For example, if your fixed costs total $4,000 and you drive 10,000 miles, your fixed cost per mile is $0.40. Reducing this figure requires increasing equipment utilization to spread the costs over more miles.

Tracking Variable Costs (Running Costs)

Variable costs represent the largest portion of trucking expenses and are directly tied to mileage. Fuel is the most significant variable, often accounting for 28% to 35% of total operating costs according to the EIA. Other variables include tires (roughly $0.04 per mile), preventative maintenance ($0.10–$0.15 per mile), and tolls. If diesel is $4.00 per gallon and your truck averages 6.5 MPG, your fuel cost alone is $0.61 per mile. You must also factor in the driver's wage or your own required draw; if you pay yourself $0.60 per mile, this must be added to the variable total.

Factoring in Deadhead and Out-of-Route Miles

Deadhead miles, or non-revenue miles, significantly dilute profit margins. If a load pays $3.00 per mile for 500 loaded miles but requires 100 miles of deadhead to reach the pickup point, your effective revenue per mile drops to $2.50. The FMCSA indicates that deadhead percentages can range from 15% to 25% for regional haulers. Because your variable costs like fuel and wear-and-tear remain constant at roughly $1.20–$1.80 per mile even when empty, excessive deadheading can quickly push a profitable load into a net loss scenario.

Calculating the Final Profit Margin

The final formula for profit per mile is: (Total Revenue / Total Miles) - [(Total Fixed Costs + Total Variable Costs) / Total Miles]. Using 2023 ATRI data as a benchmark, if your total cost to operate is $2.27 per mile and you average $2.60 per mile in revenue, your net profit is $0.33 per mile. On a standard 100,000-mile year, this equates to $33,000 in net business profit. This margin must be sufficient to cover federal self-employment taxes (15.3%) and future equipment replacement reserves, which experts suggest should be at least $0.10 per mile.

The Impact of Fuel Surcharges (FSC)

Fuel surcharges are designed to protect carriers against price spikes in the diesel market. When calculating profit, it is vital to distinguish between linehaul rates and FSC. Most shippers use the EIA National Average Diesel Price as a baseline, often set at $1.20 per gallon. For every $0.05 increase above that baseline, the FSC might pay an extra $0.01 per mile. While this helps stabilize the profit per mile, it rarely covers the entire cost increase due to idling and variations in MPG, meaning you must still monitor net fuel expense carefully.

Sources

American Transportation Research Institute (ATRI) (2024) — https://truckingresearch.org/2024/06/analysis-of-the-operational-costs-of-trucking-2024/ U.S. Energy Information Administration (EIA) (2025) — https://www.eia.gov/petroleum/gasdiesel/ Bureau of Labor Statistics (BLS) (2023) — https://www.bls.gov/oes/current/oes533032.htm

Frequently asked

What is a good profit per mile for an owner-operator?

A healthy net profit per mile, after all expenses and a fair driver wage, typically ranges between $0.30 and $0.60. According to ATRI, successful carriers aim for a double-digit operating margin, which usually requires a gross revenue per mile exceeding $2.50 in the current economic climate.

Do I include my own salary in the cost per mile?

Yes, to calculate true 'business profit,' you must include a market-rate driver wage (currently $0.55–$0.75 per mile according to BLS data) as an expense. If you do not, you are conflating your labor earnings with your equipment's return on investment.

How do I calculate the break-even point?

Your break-even point is the sum of all monthly fixed costs divided by your total miles, plus your variable cost per mile. For example, if fixed costs are $0.50/mile and variables are $1.30/mile, your break-even is $1.80; any load paying less than this results in a loss.

How often should I recalculate my cost per mile?

You should perform a full audit every 90 days. Fuel prices and maintenance needs fluctuate frequently; the EIA reports that diesel prices can shift by more than $0.20 in a single month, which can swing your profit per mile by $0.03 or more.