In construction—especially commercial concrete—your numbers determine whether you stay profitable, competitive, and consistent. Yet one of the most common mistakes subcontractors make is mixing up markup vs margin. They sound similar, but they’re completely different calculations with major implications for your pricing, profitability, and long-term stability.

Understanding the difference between markup and margin helps you bid smarter, protect your bottom line, and avoid the hidden losses many subcontractors face. This guide breaks everything down in practical terms, explains how to calculate markup percentage, and shows why getting this right matters for every estimate you send out.

What Is Markup? (And How to Calculate Markup Percentage)

Markup is the amount you add on top of your cost to determine the final price of your service. Contractors often use markup to cover overhead, labor burdens, equipment, contingency, and profit.

Formula (Markup Percentage):

Markup = (Selling Price – Cost) ÷ Cost × 100

Example:

• Cost to complete a job: $50,000

• Desired markup: 40%

• Markup amount: $20,000

• Selling price: $70,000

Understanding how to calculate markup percentage helps you ensure your bids actually cover everything—not just direct costs but your true business expenses.

However, here’s where many subcontractors run into trouble: markup does not tell you your actual profit margin. If you markup 40%, your profit margin is not 40%—and this creates major pricing mistakes across the industry.

What Is Margin?

Margin (or profit margin) tells you how much profit you keep after costs. It’s calculated based on the final selling price—not the cost.

Formula (Margin Percentage):

Margin = (Profit ÷ Selling Price) × 100

Example:

• You charge: $100,000

• Your cost: $70,000

• Profit: $30,000

• Margin: 30%

Margin is a better indicator of financial health because it shows how much of your revenue actually stays in your business. When comparing profit margin vs markup, margin will always be the more accurate measure of true profitability.

Why Markup Matters for Construction Bids

Markup directly affects your competitiveness. Since it’s based on cost, increases in material or labor costs require you to adjust your markup to maintain profitability.

If your costs rise but your markup stays the same, your profit shrinks.

However, setting markup too high can make your bids uncompetitive—especially if GCs are comparing proposals side-by-side.

Industry-standard markup varies widely based on:

• Scope complexity

• Market demand

• Labor availability

• Risk level

• Subcontractor overhead

At Stancon Consultants, we often meet subcontractors who lose money simply because their markup isn’t aligned with their true burdened costs. Markup is essential—just not enough on its own.

Why Margin Matters for Business Health

Margin gives a clearer view of how stable and profitable your business actually is.Higher margins allow you to:

• Absorb price fluctuations

• Handle slow months

• Invest in better estimating tools

• Scale your operations

• Improve cash flow stability

Low margins often signal:

• Underpricing

• Poor cost tracking

• Inefficient processes

• High overhead

• Competitive pressure lowering prices

For commercial concrete subcontractors, keeping an eye on margin is crucial. You can win bids with razor-thin margins for a while—but long-term, those numbers catch up.

Markup vs Margin: Why You Need Both

While markup helps you set your price, margin tells you if that price is sustainable. In simple terms:

• Markup is about what you charge.

• Margin is about what you keep.

Understanding the difference between markup and margin allows your business to stay competitive while still maintaining healthy profits. When you use both correctly, you avoid underbidding and protect your business from financial surprises.

Conclusion: Price Smarter, Stay Profitable

Markup and margin aren't interchangeable; they’re two tools that work together. Knowing how to use them properly allows you to:

• Bid confidently

• Maintain predictable profitability

• Handle rising costs

• Make strategic growth decisions

• Avoid the hidden underpricing that hurts many subcontractors

At Stancon Consultants, we help commercial concrete subcontractors understand and apply these numbers inside their estimating and pricing systems so they can stay accurate, competitive, and profitable.

If you’d like support reviewing your markup, margin, or overall estimating structure, contact us today. We’ll help you refine your numbers and can even turn this into a practical, downloadable resource for your team or clients.