Free break-even point calculator

What reaching break-even actually means

At break-even, total revenue equals the fixed and variable costs included in the model. Profit on those included costs is zero. A service business can use the result to understand how many ordinary jobs must be completed before the period's overhead is covered.

After that point, an additional job still has variable costs. It contributes its selling price minus those costs, not its entire revenue, toward profit. A $500 job with $200 of variable cost contributes $300, even after fixed costs have been covered.

• Small businesses: connect rent, software and other regular bills to a measurable sales target.
• Contractors: check whether planned installations can support vehicles, equipment and office costs.
• Freelancers: compare billable project capacity with the expenses and owner compensation included in the plan.
• Trade and field-service teams: examine the effect of travel, material prices, crew costs and seasonal demand.

A break-even result is a model, not a guarantee of financial security. It does not automatically include every tax, financing obligation, owner withdrawal or cash-flow timing difference. Make the cost scope explicit.

Separate fixed costs, variable costs and mixed costs

The classification depends on the period and the decision being modeled. A salaried supervisor may be a fixed cost for the next month, while a subcontractor paid for each installation is a variable cost. Neither classification is universal for every business.

Convert annual fixed expenses to the period consistently. For a monthly model, a $1,200 annual license corresponds to $100 per month. This allocation does not change when the cash payment is actually due; keep a separate cash forecast for that.

Do not place the same wage, fuel bill or equipment cost in both categories. If owner's working time matters to whether the business is viable, give it an explicit cost or profit-target treatment rather than treating unpaid labor as free.

The break-even formulas, explained

Let F be fixed costs for the period, P the selling price per unit and V variable cost per unit. Each sale contributes P − V toward fixed costs and then profit.

These are the standard relationships also used in the U.S. Small Business Administration's break-even guidance. Price, variable cost and fixed cost must describe the same product mix and time period.

For fixed costs of $3,600, price of $450 and variable cost of $150, contribution is $300 per job. Break-even is $3,600 ÷ $300 = 12 jobs. The contribution ratio is $300 ÷ $450 = 66.67%, and break-even revenue is $5,400.

Whole jobs require upward rounding. A mathematical result of 12.2 installations means 13 complete installations are needed to cover the modeled costs. A fractional result may still be useful for divisible products or billable hours.

Seven business decisions to make with the result

1. Turn overhead into a visible workload

Compare the required jobs with the actual time needed to complete them, including travel, preparation and administrative work. Twelve jobs that each need two crew-days are not feasible in the same calendar as twelve one-hour visits. A realistic workload is more useful than a revenue target alone.

2. Model a new hire, vehicle or machine

Put the new standing expense into fixed costs and include any change in variable cost or selling capacity. Calculate the before-and-after threshold. Do not assume a new employee creates profitable demand simply because more hours become available.

3. Respond to rising input costs

Material, fuel and subcontracting increases reduce contribution unless prices or efficiency also change. A job that was comfortably above variable cost may contribute much less after a supplier increase. Refresh inputs when a meaningful cost changes, not only at year-end.

4. Check the effect of discounts and pricing

A discount reduces contribution by the full discount amount when variable cost stays the same. On a $450 job with $150 variable cost, a $45 discount reduces contribution from $300 to $255—a 15% decrease in contribution, although the selling-price discount is 10%. More bookings must make up the difference.

5. Set a profit target above break-even

Use (fixed costs + desired profit) ÷ contribution per unit. In the $3,600 fixed-cost example, a $1,800 profit target needs ($3,600 + $1,800) ÷ $300 = 18 jobs. Selling 30% more than break-even does not automatically create a 30% profit margin; calculate profit relative to actual revenue.

6. Plan sales and scheduling together

If break-even is 12 jobs and the operating target is 15, track confirmed, completed and collected work separately. Five booked jobs halfway through the month may justify more outreach, but a promotion should be evaluated with its lower contribution before being offered. Unpaid invoices do not fund bills just because the revenue target was reached.

7. Compare growth with a simpler cost base

Reducing avoidable fixed costs can lower the workload needed to remain viable. Higher prices may reduce required volume, but customer demand can change. Add crew capacity only after considering both the new threshold and the likelihood of enough suitable work. Recalculate when service mix or season changes.

Price floors, profit targets and the margin of safety

Break-even can be rearranged to answer several related questions. These equations assume the same simplified single-product model and do not replace a complete business budget.

The $350 price floor in this example only covers the listed costs at 18 completed jobs. It leaves no modeled profit, contingency or allowance for lower volume. It is not automatically a sensible public selling price.

When several services have very different contribution margins, a simple average may mislead. Define a realistic sales mix and its weighted contribution, or model each service's contribution toward shared fixed costs. If the mix changes, the result changes too.

Seasonal businesses should compare a quiet-month plan and a busy-month plan. Annual profitability does not prevent a cash shortage in a month with payroll, insurance renewals or equipment payments. Keep the break-even model and the cash calendar together.