Fuel Cost Calculator
Owner-Operator Profit Calculator
Truck Payment Estimator
Maintenance Reserve Calculator
Load Profitability Checker
Deadhead Cost Calculator
Driver Pay Calculator
Freight Factoring Calculator
Fuel Surcharge Calculator
Break-Even Rate Calculator
Per Diem Tax Savings Calculator
Detention Pay Calculator
IFTA Quarterly Estimator
Buy vs. Lease-On Comparison
Compare owning your own truck (with authority) vs. leasing on under a carrier.
Own Truck (Independent Authority)
Lease-On Under a Carrier
Frequently Asked Questions
Answers to the most common questions from owner-operators and fleet managers.
A good total cost per mile for an owner-operator is $1.50 to $1.80 for an efficient solo operation. Fuel typically makes up $0.55–$0.75/mile depending on diesel prices and your truck's MPG. If your all-in CPM is higher than your rate per mile, you are losing money on every load — use the Cost Per Mile Calculator above to check your numbers before you accept the next run.
Add up all monthly fixed costs (truck payment, insurance, permits, lease fees) and all variable costs (fuel, maintenance reserve, tires), then divide the total by your monthly miles driven.
Example: $8,000 total monthly costs ÷ 10,000 miles = $0.80/mile. Use the Cost Per Mile Calculator above for a full breakdown of every expense category.
Owner operators should track all of the following:
- Fuel (largest variable cost)
- Truck payment or lease fees
- Commercial truck insurance
- Maintenance and repairs + tire reserve
- Permits and licenses (IFTA, UCR, base plates)
- ELD and dispatch/load board software
- Factoring fees (if applicable)
- Deadhead miles (unpaid distance to pickup)
- Per diem for overnight trips (tax deductible)
Tracking these in real time — not just at tax time — is what separates profitable operators from struggling ones.
Most semi trucks get 6 to 8 miles per gallon under normal highway conditions. At 6.5 MPG and $3.80/gallon diesel, fuel costs roughly $0.58 per mile.
Loaded weight, terrain, speed, and aerodynamics all affect MPG significantly — a 10% improvement in fuel efficiency can add thousands of dollars to your annual profit. Use the Fuel Cost Calculator above to see the exact impact on your operation.
The average owner-operator net profit margin ranges from 5% to 15% after all expenses. Lease-on operators running under a carrier often see 5–10% margins after lease fees. Independent authority operators with direct shipper contracts can reach 15–25%.
Fuel cost spikes, high deadhead ratios, and unexpected repairs are the most common margin killers. Use the Owner-Operator Profit Calculator above to model your specific numbers.
A load is worth taking if the rate per mile exceeds your total cost per mile by a comfortable margin — typically at least $0.20–$0.40/mile for profit. Also factor in:
- Deadhead miles to pickup (they cost money but pay nothing)
- Lumper fees and tolls that eat into the rate
- Detention risk if the shipper has a history of delays
- Fuel surcharge — is it built in or separate?
Use the Load Profitability Checker above to evaluate any load in seconds.
Most experienced owner-operators reserve $0.10 to $0.15 per mile for maintenance and repairs. On 10,000 miles per month that is $1,000–$1,500 set aside monthly.
Newer trucks under warranty can get away with $0.06–$0.08/mile, while older high-mileage equipment may need $0.18–$0.25/mile. Skipping this reserve is one of the top reasons owner-operators go out of business after a single major repair.
Commercial truck insurance typically costs $8,000 to $18,000 per year for an owner-operator with primary liability, physical damage, and cargo coverage. New authorities with less than 2 years of operating history often pay on the higher end ($12,000–$18,000+).
Experienced operators with clean records and established authorities can find rates in the $8,000–$12,000 range. Insurance is usually the second or third largest operating expense after fuel — budget it as a fixed monthly cost in your CPM calculation.
Trucking Glossary
Plain-English definitions of terms every owner-operator and fleet manager needs to know.