Owner-operators live and die by cost per mile. Here’s a simplified walkthrough with round numbers. Your truck, your lanes, and your fixed costs will look different. Run your own figures, or have your accountant do it.
| Monthly fixed costs (illustrative) | Amount |
|---|
| Truck payment | $2,200 |
| Primary liability and cargo insurance | $900 |
| ELD, compliance, and permits | $150 |
| Total fixed costs | $3,250 |
Say the truck runs 9,000 miles that month. Fixed costs alone come out to about $0.36 a mile. Add a variable cost of roughly $0.78 a mile for fuel, tires, and maintenance, a common range for a well-kept truck, and the total cost per mile lands around $1.14. Book anything below that number and you’re losing money before you count your own time behind the wheel.
Now put a rate against it. At an average of $1.85 a mile, illustrative only and not a promise of what any lane pays, that $1.14 cost leaves roughly $0.71 a mile in margin, close to $6,400 for the month before taxes and dispatch fees. Flip the numbers around and you get your break-even point: at that rate you’d need to run about 3,050 miles just to cover fixed costs, before you clear a dollar of profit. Swap in your own truck payment and your own fuel mileage. The math is what tells you whether a lane is worth taking, not the rate alone. It’s also what separates owner-operators who stay in business from the ones who don’t. The ones who last know their own number before the phone rings.