Skip to main content

Break Even Calculator

Calculate your break-even point in units and revenue. Enter fixed costs, variable cost per unit, and selling price to find how many sales you need to cover all costs and start generating profit.

Loading calculator

Preparing Break Even Calculator...

Reviewed & Methodology

Every calculator is built using industry-standard formulas, validated against authoritative sources, and reviewed by a credentialed financial professional. All calculations run privately in your browser - no data is stored or shared.

Last reviewed:

Reviewed by:

Written by:

Read Methodology Report an Issue

How to Use the Break Even Calculator

  1. 1. Enter your fixed costs - input total monthly or annual fixed expenses like rent, salaries, insurance, and loan payments.
  2. 2. Enter the variable cost per unit - type the cost to produce or acquire each unit (materials, shipping, packaging).
  3. 3. Enter the selling price per unit - input the price you charge customers for each unit.
  4. 4. Review your break-even point - see how many units you must sell and the revenue needed to cover all costs.
  5. 5. Test different scenarios - adjust price or costs to see how changes move your break-even point up or down.

Break Even Calculator

Find out exactly how many units you need to sell to cover all your costs. This calculator takes your fixed costs, variable cost per unit, and selling price to compute your break-even point in units and revenue, plus your contribution margin — essential data for pricing decisions and business planning.

How Break-Even Is Calculated

The break-even formula is: Break-Even Units = Fixed Costs / (Selling Price - Variable Cost per Unit). The denominator is your contribution margin — the amount each sale contributes toward covering fixed costs. Once you sell past the break-even point, every additional unit generates pure profit equal to the contribution margin.

Example

Fixed CostsVariable Cost/UnitPrice/UnitBreak-Even UnitsBreak-Even RevenueMargin %
$10,000$25$50400 units$20,00050%
$25,000$15$401,000 units$40,00062.5%
$50,000$8$204,167 units$83,34060%

Key Factors That Affect Break-Even

  • Fixed costs — rent, salaries, and insurance raise the bar; lowering fixed costs is the fastest way to reduce your break-even point
  • Selling price — a higher price widens the margin but may reduce demand
  • Variable costs — raw materials, shipping, and packaging directly impact how much each sale contributes
  • Sales volume — seasonal fluctuations can push your break-even timeline out significantly

Tips

  1. Run the calculator with your worst-case, expected, and best-case pricing to understand your risk range
  2. If your margin percentage is below 30%, look for ways to either raise prices or reduce variable costs before scaling
  3. Re-calculate whenever fixed costs change — adding a new employee or lease can shift break-even by hundreds of units
  4. Use the break-even revenue figure to set monthly sales targets for your team

Frequently Asked Questions

What is the break-even formula and how does it work?
The break-even formula is Break-Even Units = Fixed Costs / (Selling Price - Variable Cost Per Unit). The denominator is called the contribution margin per unit -- the portion of each sale that goes toward covering fixed costs. For example, if fixed costs are $10,000/month, selling price is $50, and variable cost is $25, the contribution margin is $25 and you need to sell 400 units ($10,000 / $25) to break even.
What is the difference between fixed and variable costs?
Fixed costs remain constant regardless of how many units you produce or sell. Examples include rent, insurance, salaried employee wages, and loan payments. Variable costs change proportionally with production volume and include raw materials, packaging, shipping, sales commissions, and hourly labor. Some costs are semi-variable, like electricity (a base amount plus usage-based charges). Correctly classifying your costs is essential for an accurate break-even analysis.
How do businesses use the break-even point for planning?
Businesses use break-even analysis to set minimum sales targets, evaluate whether a new product is viable, determine pricing strategies, and decide whether to invest in cost-reducing equipment. Startups use it to estimate how long before they become profitable. Investors and lenders often request break-even analysis in business plans. It also helps with make-vs-buy decisions and evaluating whether to add a new product line.
What is the margin of safety and why does it matter?
The margin of safety is the difference between your actual (or expected) sales and the break-even point, expressed as units, revenue, or a percentage. If you break even at 400 units and expect to sell 600, your margin of safety is 200 units or 33%. A higher margin of safety means your business can absorb unexpected drops in sales without incurring losses. Most financial advisors recommend a margin of safety of at least 20-25%.
What are practical ways to reduce your break-even point?
You can lower the break-even point by reducing fixed costs (negotiating lower rent, switching to remote work, or refinancing debt), reducing variable costs (finding cheaper suppliers, improving production efficiency, or reducing packaging costs), or raising the selling price. Raising prices is the most powerful lever because it increases the contribution margin per unit without requiring you to sell more. A 10% price increase on a product with 40% margins can reduce the break-even point by roughly 20%.

Explore More Tax & Business Tools

Tax Calculator: Try our free tax calculator for instant results.

Sales Tax Calculator: Try our free sales tax calculator for instant results.

Salary Calculator: Try our free salary calculator for instant results.

Take Home Pay Calculator: Try our free take home pay calculator for instant results.

Profit Margin Calculator: Try our free profit margin calculator for instant results.

ROI Calculator: Try our free roi calculator for instant results.

Related Tax & Business Calculators

Tax & Business

Bond Calculator

Calculate bond price, current yield, and yield to maturity. Enter face value, coupon rate, maturity, and market interest rate to see if a bond trades at a premium or discount and evaluate its income potential.

Tax & Business

Budget Calculator

Plan your monthly budget using the 50/30/20 rule. Enter your take-home pay and expenses to see how your spending compares to recommended targets for needs, wants, and savings.

Tax & Business

Business Loan Calculator

Calculate monthly payments, total interest, and amortization for business loans. Compare SBA loans, term loans, and lines of credit to find the best financing for your business.

Tax & Business

Capital Gains Tax Calculator

Calculate capital gains tax on stocks, real estate, and other investments. Compare short-term vs. long-term rates, estimate your tax liability, and plan tax-efficient selling strategies.

Calculators