Break-Even Calculator

A break-even calculator finds the point where total revenue equals total costs, so neither a profit nor a loss remains. Enter price, variable cost per unit, and fixed costs to compute contribution margin, break-even units, and break-even revenue. Goal seek reverses the calculation: set a target margin, markup, or sales volume and read back the price, cost, or fixed-cost level required to hit it. Margin of safety then measures how far expected sales sit above that break-even threshold.

The same formulas apply whether the question is how a price change moves contribution margin, how a supplier's quote or a volume discount changes the cost side, or how a fixed-cost budget translates into a required unit count. Product launches, seasonal promotions, subscription pricing, and budget planning all reduce to the same handful of relationships between price, cost, volume, and profit.

• Contribution margin per unit shows how much each sale contributes to fixed costs and profit.
• Break-even units and break-even revenue give the exact sales target that covers total expenses.
• Goal seek solves for price, cost, fixed costs, units, margin, or markup given a target for any of the others.
• Margin % and Markup % keep pricing strategy aligned with finance targets, since the two percentages measure profit against different bases.
• Margin of safety gauges risk if demand falls below forecast.
• Currency symbols switch to match the market a result is being presented in.

The break-even point is the sales level where total revenue equals total costs: neither profit nor loss. Contribution margin determines the units and revenue required to cover fixed costs.

Margin measures profit as a percentage of price. Markup measures profit as a percentage of cost. Both describe pricing strategy, but margin aligns more closely with financial reporting and profitability analysis.

Higher fixed costs raise the break-even point because more contribution is needed to cover overhead. Higher variable costs reduce contribution margin per unit, which also increases the units required to break even.

Goal seek applies when a target margin, markup, or unit volume is already fixed and the corresponding price, cost, or fixed-cost level is the unknown, which supports quick what-if analysis during planning and supplier negotiations.

With variable cost at 12 and fixed costs at 20,000, seeking a 40 percent margin and solving for price finds the selling price that maintains that margin while covering fixed costs at the desired volume.

Comparing two quotes with different unit costs while holding price constant shows how contribution margin and break-even units shift. The supplier that supports a lower break-even point and a stronger margin of safety is the better choice.

Lowering price by 10 percent while raising expected units to match a campaign forecast tests whether the new contribution margin still clears fixed costs and keeps margin of safety positive.

Contribution margin per unit shows how much each sale covers fixed costs after variable costs. Break-even units show the minimum sales volume to avoid a loss. Break-even revenue translates that volume into a revenue target. Margin and markup explain price structure. Margin of safety indicates how much actual or expected sales exceed the break-even level, which helps quantify risk if demand declines.

Aligning price, cost, and volume keeps pricing strategy grounded in the same numbers finance uses to set budgets. Confirming that expected sales clear the break-even point before a launch reduces the risk of committing to a price that cannot cover its own costs. Translating fixed-cost plans into concrete unit goals turns a budget line into a sales target, using the standard financial formulas for margin, markup, and contribution analysis.

A break-even calculator uses contribution margin, the amount each unit sale contributes toward fixed costs, to determine how many units must sell to avoid a loss.

Revenue per unit (price), cost per unit (variable cost), and fixed costs anchor every other figure. Margin percent and markup percent describe the same profit from two different bases and are reported alongside the break-even units and break-even revenue needed to cover fixed costs. Goal seek reverses the direction of the calculation, solving for price, cost, fixed costs, units, margin, or markup given a target value for the others. Margin of safety compares expected sales against the break-even level in units, revenue, and percent.

Formulas and logic (plain text):

• Contribution margin per unit (CM): CM = Price − Cost per unit
• Break-even units: BE Units = Fixed costs ÷ CM
• Break-even revenue: BE Revenue = BE Units × Price
• Margin percent: Margin % = (Price − Cost) ÷ Price × 100
• Markup percent: Markup % = (Price − Cost) ÷ Cost × 100
• Goal seek (price from target margin): Price = Cost ÷ (1 − Margin%/100)
• Goal seek (price from target markup): Price = Cost × (1 + Markup%/100)
• Goal seek (fixed costs for target units): Fixed costs = (Price − Cost) × Target units
• Margin of safety (units): MOS Units = Expected units − BE Units
• Margin of safety (revenue): MOS Revenue = MOS Units × Price
• Margin of safety (percent): MOS % = MOS Units ÷ Expected units × 100

The same formulas apply to plan prices, control costs, and evaluate sales targets across common business scenarios.

• Set a selling price that achieves a target margin or markup for a new product.
• Estimate how many units must sell to recover a marketing or tooling investment.
• Compare suppliers by testing how lower variable costs shift the break-even point.
• Plan seasonal promotions by modeling temporary price changes and expected volume.
• Assess risk by calculating the margin of safety against forecasted demand.
• Build budgets by translating fixed-cost changes into required sales units.