Business calculator

Break-Even Analysis Calculator, Units & Revenue to Break Even

Calculate your business break-even point in units and revenue. Find your contribution margin, margin of safety, and profit at different sales volumes.

Published by · Reviewed against primary-source formulas

$
$

Cost of goods, direct labor, commissions, shipping

$

Rent, salaries, insurance, subscriptions, costs that don't change with volume

units

For margin of safety calculation

Break-Even Units

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Units/month to break even

Break-Even Revenue

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Monthly revenue needed

Contribution Margin

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Per unit sold

Margin of Safety

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Buffer above break-even

Profit at Different Sales Levels

How CalcMesh calculates your break-even point

The break-even point is the sales volume at which total revenue equals total cost: fixed costs divided by the contribution margin per unit (price minus variable cost per unit). According to the U.S. Small Business Administration, understanding this threshold is one of the first steps in evaluating whether a business idea is viable.

We compute the result with the standard contribution-margin formula and report both unit and dollar break-even, so you can see exactly how a $1 change in price or a 1% change in variable cost shifts the threshold. Our full assumptions are documented in our methodology.

Break-Even Formula

BEP (units) = Fixed Costs ÷ Contribution Margin Per Unit

BEP (revenue) = Fixed Costs ÷ Contribution Margin Ratio

Where: Contribution Margin = Selling Price – Variable Cost Per Unit

Fixed vs Variable Costs

Fixed Costs Variable Costs
Rent / leaseRaw materials
Salaries (salaried)Hourly labor
InsuranceSales commissions
Loan paymentsShipping / packaging
SubscriptionsCredit card fees

Related Data

Research cost of living and labor costs by metro at BEA Regional Price Parities. See salary benchmarks for hiring decisions at BLS OEWS.

Disclaimer: Break-even analysis is a planning tool using simplified assumptions. Real business finances include taxes, financing costs, and costs that are semi-variable. Use this as a starting framework.

Methodology & Assumptions

This calculator implements standard formulas drawn from primary-source authorities. Values are point-in-time estimates; consult a licensed professional for high-stakes decisions. See the per-input definitions and source citations below.

How this works

Computations are deterministic and run client-side, no inputs leave your browser. Formulas are derived from standard published formulas for the calculator's domain (mortgage, taxes, energy, conversions, etc.). When the underlying agency publishes updated rates or thresholds we refresh defaults and update the page's lastmod timestamp.

Frequently Asked Questions

What is break-even analysis?
Break-even analysis determines at what sales volume your total revenues equal total costs, meaning you're making neither profit nor loss. Above break-even, every additional unit sold contributes directly to profit. It's a critical planning tool for pricing decisions, funding requirements, and viability assessment.
What is contribution margin?
Contribution margin = Revenue per unit – Variable cost per unit. It represents how much each sale contributes toward covering fixed costs and then generating profit. A positive contribution margin means each sale helps pay fixed costs. Contribution margin ratio = contribution margin ÷ selling price.
How do I reduce my break-even point?
Three strategies: (1) Increase selling price (increases contribution margin). (2) Reduce variable costs (better suppliers, efficiency improvements). (3) Reduce fixed costs (negotiate rent, eliminate unnecessary overhead). A 10% price increase typically has more impact than a 10% cost reduction.
What is margin of safety?
Margin of safety = Actual sales – Break-even sales. It measures how much sales can fall before you start losing money. Expressed as a percentage: (Actual sales – BEP) / Actual sales. A 30%+ margin of safety is considered healthy; below 15% means you're vulnerable to any sales decline.

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This page identifies the inputs, method, and limitations behind its estimates. Calculator outputs are not professional advice and should be checked against the relevant primary source for a consequential decision. This calculator's formula and defaults are drawn from standard published sources for its domain, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.

Inputs, defaults, and authoritative sources
Input Default Source / authority
All inputs Domain-typical defaults Editorial methodology, CalcMesh 2026