Profit Projection Calculator Formula

Understand the math behind the profit projection calculator. Each variable explained with a worked example.

Use the Profit Projection Calculator

Formulas Used

Current Annual Profit

current_profit = revenue - costs

Projected Revenue

projected_revenue = revenue * pow(1 + growth_rate / 100, years)

Projected Costs

projected_costs = costs * pow(1 + cost_growth / 100, years)

Projected Profit

projected_profit = revenue * pow(1 + growth_rate / 100, years) - costs * pow(1 + cost_growth / 100, years)

Projected Profit Margin

projected_margin = revenue * pow(1 + growth_rate / 100, years) > 0 ? ((revenue * pow(1 + growth_rate / 100, years) - costs * pow(1 + cost_growth / 100, years)) / (revenue * pow(1 + growth_rate / 100, years))) * 100 : 0

Variables

VariableDescriptionDefault
revenueCurrent Annual Revenue(USD)500000
costsCurrent Annual Costs(USD)400000
growth_rateAnnual Revenue Growth Rate(%)20
cost_growthAnnual Cost Growth Rate(%)10
yearsProjection Period(years)5

How It Works

How to Project Future Profit

Formula

Projected Profit = Revenue x (1 + Revenue Growth%)^Years - Costs x (1 + Cost Growth%)^Years

This model assumes constant annual growth rates for both revenue and costs. When revenue grows faster than costs, profit margins expand. When costs grow faster, margins shrink.

Worked Example

A business with $500,000 revenue and $400,000 costs. Revenue grows at 20%/year and costs grow at 10%/year over 5 years.

revenue = 500000costs = 400000growth_rate = 20cost_growth = 10years = 5
  1. 01Current profit = $500,000 - $400,000 = $100,000
  2. 02Projected revenue = $500,000 x (1.20)^5 = $1,244,160
  3. 03Projected costs = $400,000 x (1.10)^5 = $644,204
  4. 04Projected profit = $1,244,160 - $644,204 = $599,956
  5. 05Projected margin = $599,956 / $1,244,160 x 100 = 48.22%

Frequently Asked Questions

How realistic are profit projections?

Projections are useful for planning but not guarantees. Growth rates rarely stay constant. Use conservative estimates and model multiple scenarios (optimistic, realistic, pessimistic) for better planning.

What if costs grow faster than revenue?

If cost growth exceeds revenue growth, your profit will eventually turn negative. This is unsustainable and signals the need to either accelerate revenue growth or control costs.

Learn More

Guide

Understanding Business Valuation

Learn the key methods for valuing a business including revenue multiples, earnings multiples, DCF analysis, and asset-based approaches. Understand what drives business value.

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