Break-Even Calculator: Know When Your Business Becomes Profitable (2026)

Break-Even Units = Fixed Costs / (Price per Unit - Variable Cost per Unit)
Break-Even Revenue = Fixed Costs / Contribution Margin Ratio
Contribution Margin = Price - Variable Cost
Contribution Margin Ratio = Contribution Margin / Price

Example: T-Shirt D2C Brand

You need to sell 446 t-shirts every month just to cover costs. Shirt #447 is where profit begins. If that number feels too high, you need to either raise prices, reduce variable costs, or cut fixed costs.

The SaaS advantage: Notice how SaaS has the lowest variable cost (₹50/user). Once a SaaS product crosses break-even, almost every additional rupee is profit. This is why investors love SaaS businesses — the unit economics scale beautifully.

Small price changes have outsized effects on break-even:

Raising price by ₹200 (from ₹799 to ₹999) reduces break-even by 138 units. This is why underpricing is so dangerous — a ₹599 price point requires almost double the sales volume to break even compared to ₹999. Unless you have extremely high volume, price higher than you think.

• Raise prices: The most powerful lever. Even ₹50-100 increase can drop break-even by 15-25%. Test with a price increase — most businesses lose fewer customers than expected.
• Reduce variable costs: Negotiate with suppliers, buy in bulk, optimize shipping. Every ₹10 saved per unit is multiplied across all sales.
• Cut fixed costs: Work from home instead of renting office. Use freelancers instead of full-time hires. Every ₹10,000 cut from fixed costs reduces break-even by several units.
• Increase average order value: Upselling and bundling increase revenue per transaction without proportionally increasing variable costs.
• Shift fixed to variable: Revenue-share deals instead of flat salaries. Usage-based software instead of fixed subscriptions. This lowers break-even risk.

• Assumes constant prices: In reality, you might offer discounts, run promotions, or face price competition.
• Linear cost assumption: Variable costs may decrease with volume (bulk discounts) or increase (overtime wages). Break-even assumes a flat per-unit cost.
• Single product only: If you sell multiple products at different margins, overall break-even is more complex. Calculate per-product and use weighted averages.
• Ignores time value: Break-even does not tell you WHEN you will reach it — selling 446 shirts might take 1 month or 6 months. Cash flow planning is separate.
• Not a profitability tool: Break-even tells you the minimum to survive, not the level needed for meaningful profit. Always add a profit margin target above break-even.