Finance & Accountingbeginner23 min read

Break-Even Analysis: Knowing Your Minimum to Survive

Calculate your break-even point so you know exactly how much revenue you need to cover costs before making a single dollar of profit.

JC
Josh Caruso
September 19, 2025

What Is Break-Even and Why It Matters

Break-even is the point where your total revenue exactly equals your total costs. Below it, you lose money. Above it, you make money. Every business owner should know this number cold.

Knowing your break-even point answers critical questions:

  • How much do I need to sell each month just to keep the lights on?
  • Can I afford to lower my prices on this project?
  • What happens if I lose my biggest client?
  • How many jobs do I need per month?

If you do not know your break-even point, you are pricing blind and hoping for the best.

The Formula

Break-Even Point = Fixed Costs / (Revenue per Unit - Variable Cost per Unit)

Or, expressed as revenue:

Break-Even Revenue = Fixed Costs / Contribution Margin Ratio

Where Contribution Margin Ratio = (Revenue - Variable Costs) / Revenue

Let us break this down.

How to Calculate Your Break-Even Point

Step 1: List All Fixed Costs

These do not change based on how much work you do:

  • Rent or mortgage
  • Insurance premiums
  • Salaries (for staff not tied to specific jobs)
  • Loan payments
  • Software subscriptions
  • Utilities (base amounts)
  • Accounting and legal retainers

Add these up for a monthly total. This is your monthly "nut" — the amount you owe whether you do zero jobs or fifty.

Step 2: Determine Variable Costs Per Unit

These change directly with your sales volume:

  • Materials and supplies
  • Subcontractor labor
  • Direct labor (hourly workers on jobs)
  • Sales commissions
  • Shipping and delivery
  • Project-specific permits

Variable costs increase as you do more work and decrease when work slows down.

Step 3: Calculate Contribution Margin

Contribution Margin = Revenue per Unit - Variable Cost per Unit

Contribution Margin Ratio = Contribution Margin / Revenue per Unit

This is the percentage of each dollar of revenue that goes toward covering fixed costs and generating profit.

Step 4: Divide Fixed Costs by Contribution Margin

Break-Even Revenue = Fixed Costs / Contribution Margin Ratio

That is your monthly survival number.

A Real Example

Let us say you run a small contracting business.

Monthly Fixed Costs:

  • Office rent: $2,000
  • Insurance: $1,500
  • Office staff salary: $4,000
  • Loan payment: $1,000
  • Software/phone/utilities: $500
  • Total Fixed Costs: $9,000/month

Average Job:

  • Revenue per job: $15,000
  • Materials: $4,500
  • Subcontractor labor: $3,000
  • Direct labor: $2,500
  • Total Variable Cost per Job: $10,000
  • Contribution Margin per Job: $5,000
  • Contribution Margin Ratio: 33.3%

Break-Even Calculation:

  • Break-Even Revenue = $9,000 / 0.333 = $27,000/month
  • Break-Even in Jobs = $9,000 / $5,000 = 1.8 jobs/month

You need roughly two completed jobs per month or $27,000 in revenue just to cover your costs. Every dollar after that is profit.

Break-Even Examples by Industry

Consulting Business

  • Monthly fixed costs: $6,500 (home office, insurance, software, accounting)
  • Average project: $8,000 revenue, $1,200 variable cost (contract help, travel)
  • Contribution margin: 85%
  • Break-even: $6,500 / 0.85 = $7,647/month (less than one project per month)

Restaurant

  • Monthly fixed costs: $28,000 (rent $6,000, salaries $15,000, insurance $2,000, utilities $2,500, other $2,500)
  • Average food cost: 32% of revenue
  • Average labor cost (variable portion): 10% of revenue
  • Contribution margin: 58%
  • Break-even: $28,000 / 0.58 = $48,276/month or about $1,609/day

E-commerce Store

  • Monthly fixed costs: $4,200 (warehouse $1,500, software $500, marketing fixed $1,200, insurance $400, other $600)
  • Average order: $65 revenue, $28 product cost, $8 shipping, $2 payment processing
  • Variable cost per order: $38
  • Contribution margin: 41.5%
  • Break-even: $4,200 / 0.415 = $10,120/month or about 156 orders per month

HVAC Service Company

  • Monthly fixed costs: $22,000 (shop rent $3,000, office staff $8,000, insurance $3,500, trucks $4,500, other $3,000)
  • Average service call: $450 revenue, $85 parts, $65 tech labor (variable portion)
  • Contribution margin: 66.7%
  • Break-even: $22,000 / 0.667 = $32,984/month or about 73 service calls per month

What Break-Even Tells You About Pricing

If your break-even point is uncomfortably high, you have three options:

Lower Fixed Costs

Can you renegotiate rent? Reduce staff? Refinance a loan? Every dollar you cut from fixed costs directly lowers your break-even point.

Increase Contribution Margin

Raise prices, negotiate better material costs, or improve labor efficiency. If you increase your contribution margin from 33% to 40%, your break-even drops from $27,000 to $22,500.

Increase Volume

Sell more. But be careful — growing volume without fixing margin problems just scales your losses.

The Price Cut Trap: Why 10% Off Costs More Than You Think

This is where break-even analysis saves business owners from costly mistakes. A 10% price reduction does not require 10% more volume to compensate. It requires far more.

Using our contracting example:

Current state:

  • Revenue per job: $15,000
  • Variable costs: $10,000
  • Contribution margin: $5,000 (33.3%)
  • Break-even: $27,000/month (1.8 jobs)

After a 10% price cut:

  • Revenue per job: $13,500
  • Variable costs: $10,000 (unchanged)
  • Contribution margin: $3,500 (25.9%)
  • Break-even: $34,749/month (2.6 jobs)

That 10% price cut increased your break-even from 1.8 to 2.6 jobs per month — a 44% increase in volume needed just to cover the same costs. You went from needing 2 jobs to needing 3.

Price ChangeNew MarginBreak-Even RevenueAdditional Volume Needed
Current price33.3%$27,000Baseline
5% price cut29.6%$30,405+12.6% more volume
10% price cut25.9%$34,749+28.7% more volume
15% price cut22.2%$40,541+50.2% more volume
20% price cut18.5%$48,649+80.2% more volume

A 20% discount requires 80% more volume to break even. In almost every case, you cannot grow volume fast enough to compensate for aggressive discounting. Price cuts are margin killers.

Break-Even for Multiple Products or Services

If you offer different services at different margins, calculate a weighted average contribution margin:

  1. Determine the contribution margin for each service
  2. Estimate the percentage of revenue each service represents
  3. Calculate: (Margin A x % of Revenue A) + (Margin B x % of Revenue B) + ...
  4. Use the weighted average in your break-even formula

Weighted Average Example

A marketing agency offers three services:

ServiceRevenueVariable CostMargin% of Revenue
Web design$12,000/project$4,80060%40%
SEO retainer$3,000/month$90070%35%
Paid ads management$2,500/month$1,25050%25%

Weighted Average Margin: (60% x 40%) + (70% x 35%) + (50% x 25%) = 24% + 24.5% + 12.5% = 61%

If monthly fixed costs are $18,000: Break-Even Revenue = $18,000 / 0.61 = $29,508/month

Now here is the insight: if the agency shifts its mix toward more SEO retainer work (70% margin) and less paid ads management (50% margin), the break-even drops. Going from 25% paid ads to 10% paid ads shifts the weighted margin to 64.5%, reducing break-even to $27,907. That is $1,600 less per month needed just by changing the service mix.

Break-Even for Big Decisions

Run break-even analysis before major decisions:

Hiring a New Employee

If the employee costs $5,000/month (salary plus taxes and benefits), how much additional revenue do you need? Divide $5,000 by your contribution margin ratio.

Full cost of a $50,000/year hire:

Cost ComponentAnnual Cost
Base salary$50,000
Employer payroll taxes (FICA 7.65%)$3,825
Workers compensation (varies, estimate 3%)$1,500
Health insurance contribution$4,800
Paid time off (2 weeks)$1,923
Equipment/software/workspace$2,000
Total Loaded Cost$64,048

At a 33% contribution margin, this hire requires $194,085 in additional annual revenue to break even. That is $16,174 per month. If the employee cannot generate or support that level of revenue within 6 to 12 months, the hire does not make financial sense.

Buying Equipment

A $50,000 truck with a $1,000/month payment raises fixed costs by $1,000. That requires $3,000/month in additional revenue at 33% margin.

But also consider: does the truck enable you to take on more work? If it lets you add one extra job per month at $15,000, the $5,000 contribution margin from that job more than covers the $1,000 payment. The truck pays for itself.

Opening a Second Location

Additional monthly fixed costs for a second location:

ExpenseMonthly Cost
Rent$3,500
Utilities$600
Manager salary (loaded)$6,500
Insurance$800
Phone/internet/software$400
Total$11,800

At 33% contribution margin, the second location needs $35,400 per month in revenue just to break even. If you project it will take 6 months to ramp to that level, you need $70,000 to $100,000 in reserves to fund the ramp-up period.

Lowering Prices to Win a Bid

If you cut your price by 10%, how does that affect contribution margin? Recalculate break-even to see if the volume makes up for the margin reduction. (Spoiler: it usually does not.)

Break-Even in Days: How Many Working Days to Cover Your Costs

Another useful way to think about break-even is in terms of working days.

If your break-even is $27,000/month and there are 22 working days in the month:

Daily Break-Even = $27,000 / 22 = $1,227/day

This means for the first 13 working days of every month (at $2,000/day average revenue), you are just paying costs. Only the last 9 days generate profit. If you lose 3 working days to weather, illness, or a slow period, your profit shrinks by $6,000.

Thinking in daily terms makes break-even tangible. Every day you miss production is a day that eats directly into profit.

Sensitivity Analysis: What If Things Change?

Smart business owners do not just calculate break-even once. They run scenarios:

ScenarioImpact on Break-Even
Materials cost rises 10%Margin drops from 33% to 30%, break-even rises from $27K to $30K
You lose your biggest client (20% of revenue)Need to replace $5,400/month or cut $1,800 in fixed costs
Rent increases by $500/monthBreak-even rises by $1,500/month
You raise prices 5%Margin improves to 36.8%, break-even drops from $27K to $24.5K
You negotiate 8% better material pricingMargin improves to 35.7%, break-even drops to $25.2K

Run these scenarios annually or whenever significant cost changes occur. Know your worst-case break-even so you are never surprised.

Limitations of Break-Even Analysis

Break-even analysis is useful but imperfect:

  • It assumes fixed costs are truly fixed (they are not, in extreme scenarios)
  • It assumes variable costs per unit are constant (volume discounts can change this)
  • It does not account for cash flow timing
  • It is a point-in-time calculation that needs regular updating
  • It does not consider the time value of money
  • Step costs (like needing an additional employee at a certain volume) create jumps in the break-even

Use it as a planning tool, not gospel. Recalculate whenever your costs, prices, or service mix changes significantly.

Break-Even for Seasonal Businesses

Seasonal businesses need a different approach to break-even. Instead of a monthly break-even, calculate an annual break-even and then plan which months will be above and below:

Example: Landscaping business

  • Annual fixed costs: $168,000 ($14,000/month)
  • Contribution margin: 50%
  • Annual break-even revenue: $336,000

But revenue is not evenly distributed:

MonthRevenueContribution (50%)Fixed CostsMonthly P&L
Jan$8,000$4,000$14,000-$10,000
Feb$8,000$4,000$14,000-$10,000
Mar$20,000$10,000$14,000-$4,000
Apr$40,000$20,000$14,000+$6,000
May$55,000$27,500$14,000+$13,500
Jun$65,000$32,500$14,000+$18,500
Jul$60,000$30,000$14,000+$16,000
Aug$55,000$27,500$14,000+$13,500
Sep$45,000$22,500$14,000+$8,500
Oct$30,000$15,000$14,000+$1,000
Nov$15,000$7,500$14,000-$6,500
Dec$8,000$4,000$14,000-$10,000
Total$409,000$204,500$168,000+$36,500

The business is profitable annually ($36,500), but it loses money 5 months out of 12. The peak months (May through September) must generate enough surplus to cover the off-season losses. This is why seasonal businesses need cash reserves equal to their cumulative off-season losses plus a buffer — in this case, at least $40,000 to $50,000 going into November.

Break-Even and Pricing Strategy

Your break-even analysis directly informs your pricing decisions. Here are three pricing scenarios to think through:

Scenario 1: Should I Match a Competitor's Lower Price?

A competitor is quoting jobs at $12,000. Your normal price is $15,000 with $10,000 in variable costs (33% margin). If you match at $12,000:

  • New contribution margin: $2,000 per job (16.7%)
  • New break-even: $9,000 / 0.167 = $53,892/month (3.6 jobs)
  • Old break-even: $9,000 / 0.333 = $27,000/month (1.8 jobs)

You would need to double your job volume just to break even. Unless you can genuinely do that, do not match the price.

Scenario 2: Should I Offer a Volume Discount?

A client wants 10 jobs at $13,000 each instead of your standard $15,000. Total revenue: $130,000 vs. $150,000.

  • At $15,000: Contribution = $5,000/job x 10 = $50,000
  • At $13,000: Contribution = $3,000/job x 10 = $30,000

The discount costs you $20,000 in contribution margin. Is the guaranteed volume worth giving up $20,000? Only if (a) you would not fill those slots at full price, or (b) the long-term relationship value exceeds $20,000.

Scenario 3: Should I Raise Prices?

If you raise prices 5% from $15,000 to $15,750:

  • New contribution margin: $5,750 per job (36.5%)
  • New break-even: $9,000 / 0.365 = $24,658/month
  • You could lose 10% of your customers and still make the same profit

This is the most underused strategy in small business. A modest price increase rarely costs you customers, but it significantly improves your break-even position and profit.

Common Break-Even Mistakes

  • Forgetting to include owner's salary in fixed costs. If you need to take $5,000 per month to live, that is a fixed cost. Your business is not truly "breaking even" if you are not paying yourself.
  • Underestimating variable costs. Include everything: direct labor, materials, waste, permits, delivery, payment processing fees. Undercount variable costs and your margin looks better than it is.
  • Using gross revenue instead of net revenue. If you give a 10% discount on a $15,000 job, your revenue is $13,500, not $15,000. Use net revenue in your calculation.
  • Not updating break-even when costs change. Your rent just went up $300/month? Your materials supplier raised prices 5%? Recalculate immediately.
  • Ignoring break-even when setting prices. Every quote should be sanity-checked against your break-even. If a job does not contribute meaningfully to covering fixed costs, think twice.

The Bottom Line

Your break-even point is the minimum bar for survival. Know it, monitor it, and make decisions with it in mind. When someone asks you to lower your price, you should be able to instantly calculate what that does to your break-even. When costs go up, you should know immediately how much more revenue you need. This is the kind of number sense that separates owners who survive from owners who wonder what went wrong.

3Sources

Frequently Asked Questions

How do I calculate my break-even point?

Divide your total monthly fixed costs by your contribution margin ratio. The contribution margin ratio is (Revenue minus Variable Costs) divided by Revenue. For example, if your fixed costs are $9,000 per month and your contribution margin ratio is 33%, your break-even revenue is $27,000 per month. Every dollar above that is profit.

What is the difference between fixed and variable costs?

Fixed costs stay the same regardless of sales volume — rent, insurance, salaries, loan payments, and software subscriptions. Variable costs change directly with your output — materials, subcontractor labor, direct labor hours, and shipping. Knowing the difference is critical because fixed costs determine your break-even floor, while variable costs determine your per-job profitability.

How does lowering my price affect break-even?

Lowering prices by 10% does not just reduce profit by 10% — it can dramatically increase the volume you need to break even. If your contribution margin drops from 33% to 23%, your break-even revenue jumps from $27,000 to $39,000 per month. In most cases, the additional volume needed to compensate for a price cut is far more than businesses expect.

How many jobs do I need per month to break even?

Divide your monthly fixed costs by your contribution margin per job. If fixed costs are $9,000 and each job contributes $5,000 after variable costs, you need 1.8 jobs per month — effectively 2 completed jobs just to cover overhead. Every job after that generates profit. Knowing this number helps you set minimum monthly sales targets.

Should I run break-even analysis before hiring a new employee?

Yes — always. Add the full cost of the employee (salary plus 25% to 30% for payroll taxes, benefits, and workers comp) to your fixed costs, then recalculate break-even. A $50,000-per-year hire actually costs about $62,500 to $65,000 annually. At a 33% contribution margin, that requires roughly $190,000 in additional annual revenue to break even on the hire.

Want More Guides Like This?

Get new guides, tools, and insights delivered to your inbox. Written for business owners, backed by real sources.