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Rule of 40 Calculator — Máy Tính Trực Tuyến Miễn Phí | HomeCalcPro

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Parameters & Assumptions

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Live Analysis & Metrics

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Primary Metric
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Calculated instantly from your parameters
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Benchmark Assessment:

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Rule of 40 Formula

Transparent mathematical methodology explained in plain English.

Rule of 40 Score = Annual Revenue Growth Rate (%) + Free Cash Flow Margin (%)

Evaluates SaaS health by balancing growth and profitability. A combined sum of 40% or higher indicates high-performing unit economics.

Variables Explained:

  • YoY Revenue Growth %: Year-over-year percentage increase in recurring revenue.
  • FCF / EBITDA Margin %: Free cash flow or operating income as a percentage of total revenue.
Real Project Example

45% Annual Revenue Growth with -10% Free Cash Flow Margin

Evaluating SaaS operational health against the 40% threshold.

Sample Project Inputs:
Annual Growth Rate:45%
FCF Margin:-10%
Step-by-Step Calculation:
  1. Add Growth Rate and Profit Margin: 45% + (-10%) = 35.0%.
  2. Compare to Benchmark: 35.0% is below the 40.0% institutional threshold.
  3. Target Required: Increase growth by 5% or improve EBITDA margin by +5%.
Calculated Answer:Rule of 40 Score: 35.0% (Approaching Elite Tier).
Verified Calculation StandardsE-E-A-T Verified

Formulas calibrated against Standard Compound Amortization Algebraic Models & Truth in Lending (TILA) Formula Standards. Calculations are computed 100% client-side in your browser for absolute data privacy.

Knowledge Base

Câu Hỏi Thường Gặp (FAQ): Rule of 40 Calculator

Click any question below to expand quick answers, formulas, and expert tips.

Does a score above 40 guarantee venture valuation premiums?

Yes, publicly traded and private SaaS companies meeting or exceeding the Rule of 40 trade at significantly higher revenue valuation multiples compared to peers.

Should early-stage startups focus on the Rule of 40?

For seed and Series A startups (<$2M ARR), pure growth rate is prioritized over margins. The Rule of 40 becomes the primary operational metric starting at Series B and beyond.