Break-Even Miles Calculator
Find exactly how many miles you need to run each month to cover all your costs. Enter your fixed monthly expenses, variable cost per mile, and average rate — see your break-even point and profit potential.
Monthly Fixed Costs
Costs that don't change with miles driven
Variable Cost per Mile
Costs that scale with every mile driven
Revenue
Monthly Break-Even Point
Profit at Different Mile Levels
Drag the slider to see how profit changes with mileage
Break-Even at Different Rates
How your break-even mileage changes with rate per mile
| Rate/Mile | Break-Even Miles | At 10K Miles | At 12K Miles |
|---|---|---|---|
| $2.00/mi | 3,500 | $7,800 | $10,200 |
| $2.25/mi | 2,897 | $10,300 | $13,200 |
| $2.50/mi | 2,471 | $12,800 | $16,200 |
| $2.75/mi | 2,154 | $15,300 | $19,200 |
| $3.00/mi | 1,909 | $17,800 | $22,200 |
| $3.25/mi | 1,714 | $20,300 | $25,200 |
| $3.50/mi | 1,556 | $22,800 | $28,200 |
Understanding Break-Even Analysis for Truckers
Break-even analysis is the foundation of sound business decisions in trucking. Before you can make a profit, you need to know exactly how many miles it takes to cover every dollar of cost. Here is how to use this information strategically.
Fixed Costs vs. Variable Costs: The Key Distinction
Fixed costs stay the same whether you run 5,000 miles or 15,000 miles in a month — truck payment, insurance, permits, and subscription fees. Variable costs scale directly with miles: fuel, tires, and maintenance go up every mile you drive. Your break-even point depends entirely on how much money you make per mile above your variable costs (called the contribution margin).
What the Contribution Margin Tells You
The contribution margin is your rate per mile minus your variable cost per mile. If you earn $2.50/mile and your variable costs are $0.80/mile, your contribution margin is $1.70/mile. This means every mile you drive contributes $1.70 toward covering your fixed costs — and once your fixed costs are covered, every additional mile is $1.70 in profit.
How to Lower Your Break-Even Point
You can lower your break-even mileage in three ways: (1) Increase your rate per mile by negotiating better or finding higher-paying lanes. (2) Reduce your variable costs — better fuel economy, preventive maintenance to avoid breakdowns, negotiating tire prices. (3) Reduce your fixed costs — refinancing your truck loan, shopping insurance annually, eliminating unnecessary subscriptions.
Break-Even vs. Profitability Target
Break-even just means you covered your costs — that is the minimum acceptable outcome. Set a monthly profit target beyond break-even. If you want to pay yourself $5,000/month after all expenses, calculate the miles needed for that: (Fixed costs + $5,000 target) ÷ Contribution margin. This gives you a true minimum miles target, not just a survival threshold.
Seasonality and Your Break-Even
Freight rates and volumes vary by season. In slow months (typically January-February), you might run fewer miles than your break-even. In peak months (October-November produce/holiday), you might far exceed it. Smart owner-operators use peak-season profits to build a cash reserve that covers slow-season losses — and know their break-even so they can adjust rates or lanes before losing money.
How Break-Even Miles Is Calculated
Contribution Margin per Mile: Rate per mile − Variable cost per mile. This is how much each mile contributes toward covering fixed costs.
Break-Even Miles: Total Fixed Costs ÷ Contribution Margin. The number of miles where total revenue equals total cost (zero profit, zero loss).
Break-Even Revenue: Break-Even Miles × Rate per Mile. The minimum monthly revenue needed to stay in business.
Monthly Profit at X Miles: (X × Rate per Mile) − Fixed Costs − (X × Variable Cost per Mile). Substitute any mileage level to see the resulting profit or loss.
Example:
Fixed costs: $4,200/mo | Variable: $0.80/mi | Rate: $2.50/mi
Contribution = $2.50 − $0.80 = $1.70/mi
Break-even = $4,200 ÷ $1.70 = 2,471 miles/month
More Free Trucking Calculators
Cost Per Mile Calculator
Full breakdown of fixed and variable costs per mile.
Load Profitability Calculator
Evaluate whether individual loads are worth taking.
Truck Payment Calculator
See exactly what your truck is costing you monthly.
Fuel Surcharge Calculator
Calculate fuel surcharge based on diesel prices.
Truck Depreciation Calculator
MACRS, straight-line, and tax savings estimation.
Per Diem Calculator
Estimate your IRS per diem deduction and tax savings.
Know Your Numbers — Every Month
Flintrock OS automatically tracks your fixed and variable costs, calculates your break-even point, and alerts you when you are on track or falling behind — no spreadsheets required.
Get Beta Access — Free