Know Your Numbers: The Cost-Per-Mile Reality Every Owner-Operator Should Face This Quarter | The Owner-Operator Report
U.S. Avg Diesel  $5.21/gal ▼ 22.7¢ wk Dry Van Spot  $2.43/mi Reefer Spot  $2.71/mi Flatbed Spot  $3.02/mi WTI Crude  $67.40
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Know Your Numbers: The Cost-Per-Mile Reality Every Owner-Operator Should Face This Quarter

Diesel is easing, but the rest of the truck got more expensive. ATRI's latest data shows exactly how thin the margin has become — and why the survivors are the ones who can recite their break-even cold.

OOR
By Jamie Kowalczyk — The Owner-Operator Report
Published June 26, 2026 · 7 min read
Owner-operator going over numbers at a truck-stop diner
ATRI pegged the all-in cost of running a truck at $2.26 a mile — and non-fuel costs hit a record.

Ask a struggling owner-operator what they earn and they'll tell you the rate per mile. Ask a profitable one and they'll tell you their cost per mile first. That difference is the whole game — and the latest numbers show how little room there is for error.

The number that matters: $2.26 a mile

According to the American Transportation Research Institute's most recent Operational Costs of Trucking analysis, the industry's average cost to run a truck was $2.26 per mile. Strip out fuel and the picture is uglier: marginal (non-fuel) costs rose 3.6% to $1.779 per mile — the highest ATRI has ever recorded. Cheaper diesel is masking the fact that everything else is at record cost.

Where the money goes, per mile:

The margin is razor-thin

Here's the part that should stop you cold: ATRI found owner-operator contract rates slipped to about $2.09 a mile — below the $2.26 cost to operate. On roughly $155,000 of gross revenue, a typical owner-operator nets somewhere around $22,000 to $27,000 after expenses and taxes — only about 14–18% of gross.

If you don't know your cost-per-mile to the penny, you can't tell a good load from one that's quietly costing you money to haul.

Run the worksheet this quarter

Fuel relief is nice. But the owner-operators who build something durable aren't waiting on the market — they know their number, they price above it, and they put the difference somewhere that works as hard as they do.

Partner Feature

How one owner-operator bought his 4th truck in 5 years

His money move had nothing to do with freight rates — and everything to do with where he kept his cash.

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Sources

  1. ATRI — An Analysis of the Operational Costs of Trucking: 2025 Update
  2. FleetMaintenance — ATRI cost-per-mile breakdown
  3. Trucking Research (ATRI) — Profitability squeezed by high costs, low rates