How to Calculate Profit on a Single Truck Load

Calculating the net profit of a single load requires subtracting the total cost of operation from the gross rate provided by the broker or shipper. Most owner-operators mistakenly calculate profit based solely on fuel costs, ignoring fixed expenses and administrative overhead. To determine if a load is worth hauling, a carrier must identify their unique cost per mile (CPM) and compare it against the total revenue, including fuel surcharges and accessorials. According to the American Transportation Research Institute (ATRI), the average marginal cost to operate a truck in 2023 was $2.27 per mile, including fuel, driver wages, and maintenance. Accurate calculation prevents the 'cash flow trap' where a carrier sees high revenue but lacks the liquidity to cover insurance premiums or major repairs. By applying the formula (Gross Revenue - (Variable Costs + Fixed Costs)), dispatchers can determine the specific net margin before the wheels ever turn. This process ensures that every mile driven contributes to the long-term sustainability of the fleet rather than just covering immediate fuel expenses.

The Load Profit Formula

The fundamental formula for load profit is: (Total Revenue) - (Fixed Costs per Mile × Total Miles) - (Variable Costs for the Trip). Total revenue includes the line haul rate plus the fuel surcharge (FSC) and any detention or lumper fees. Total miles must include both the loaded miles and the deadhead miles required to reach the pickup point. Using DispatchTool, carriers can integrate their specific CPM figures to automate this calculation. A load paying $1,200 for 400 miles may look attractive at $3.00 per mile, but if there are 150 miles of deadhead, the actual rate drops to $2.18 per mile, which might fall below the carrier's break-even point.

Calculating Variable Costs: Fuel and IFTA

Variable costs are expenses that only occur when the truck is moving. Fuel is the primary variable expense, currently averaging between $3.50 and $4.50 per gallon depending on the region and EIA weekly reports. To calculate fuel cost, divide the total trip miles (loaded plus deadhead) by the truck's average MPG (typically 6.0 to 7.5 MPG) and multiply by the current fuel price. Do not forget to account for IFTA taxes, which average around $0.02 to $0.05 per mile depending on the jurisdictions traveled. If a trip is 500 miles and the truck gets 6 MPG, the fuel cost at $4.00 per gallon is $333.33.

Accounting for Fixed Costs and Depreciation

Fixed costs exist whether the truck moves or not, including insurance, truck payments, permits, and ELD subscriptions. The ATRI 2023 report indicates that truck and trailer payments average $0.32 per mile, while insurance premiums average $0.09 per mile. To apply these to a single load, divide your total annual fixed costs by your projected annual mileage. If your annual fixed costs are $45,000 and you drive 100,000 miles, your fixed cost burden is $0.45 per mile. For a 500-mile load, you must subtract $225.00 to cover these baseline business requirements.

Maintenance and Tire Reserves

Maintenance is a variable cost that many owner-operators fail to track until a breakdown occurs. Industry benchmarks suggest setting aside $0.10 to $0.20 per mile for maintenance and tire wear. On a 1,000-mile haul, $150 should be deducted from the gross profit and placed into a dedicated maintenance reserve account. This prevents a single blown turbo or tire failure from wiping out the profits of the previous ten loads. According to the Bureau of Labor Statistics (BLS), the cost of parts and labor for heavy truck repair has increased by over 12% since 2021, making these reserves critical.

Worked Example: 600-Mile Load

Consider a load from Chicago, IL to Atlanta, GA paying $1,800 gross with 100 miles of deadhead to the shipper. Total miles are 700. If your total CPM (Fixed + Variable) is $1.85, your total cost for the trip is $1,295. The net profit is $1,800 - $1,295 = $505. This results in a profit margin of approximately 28%. However, if the carrier only calculated fuel at 6 MPG and $4.00/gal ($466.67), they might incorrectly believe they made $1,333.33 in profit. Ignoring the $828.33 in other operating costs leads to inaccurate financial reporting and eventual business failure.

Factoring and Administrative Fees

If you use a factoring service to receive payment, you must deduct the factoring fee from your gross revenue. Most factoring companies charge between 2% and 5% of the total invoice. On a $2,000 load, a 3% factoring fee is $60. While this improves cash flow, it reduces the net margin. Additionally, consider dispatch fees if you use a third-party service, which typically range from 5% to 10% of the gross load pay. Combining a 3% factoring fee and a 7% dispatch fee means $200 of a $2,000 load is gone before expenses like fuel are even considered.

The Impact of Deadhead Miles

Deadhead is the single greatest profit killer in trucking. A 500-mile load paying $4.00 per mile ($2,000) seems excellent, but if you must deadhead 250 miles to pick it up, your actual rate is $2.66 per mile over 750 total miles. At an average operating cost of $2.20 per mile, your profit drops from $900 (calculated on loaded miles) to just $350. Always calculate your profit based on the 'all-in' miles from your current location to the final delivery point to ensure the load is viable.

Sources

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

Frequently asked

What is the average cost per mile for owner-operators?

According to the ATRI 2023 report, the average cost per mile is approximately $2.27. This includes $0.74 for fuel, $0.62 for driver wages, and $0.32 for equipment payments.

How much should I save for truck maintenance per mile?

Standard industry practice is to reserve between $0.10 and $0.15 per mile for routine maintenance and an additional $0.05 for tires, totaling roughly $0.20 per mile.

Does fuel surcharge count as profit?

No, the fuel surcharge (FSC) is designed to offset the increased cost of fuel above a base price (typically $1.25). It should be treated as a recovery of expense rather than a profit margin.

How do I calculate IFTA for a single load?

Average your total IFTA payments over the last quarter and divide by your total miles. Most carriers find this averages out to $0.03 per mile across all jurisdictions.

What is a good profit margin for a trucking company?

While it varies by equipment type, a healthy net profit margin for a dry van carrier typically ranges between 5% and 15% after all expenses, including the driver's market-rate salary.