Product-Led Growth (PLG) & Pricing Lab

Freemium Conversion & PLG Pricing Calculator

Model freemium conversion rates, marginal cost per free user, breakeven conversion thresholds, PLG virality, and paid user LTV:CAC.

Freemium Engine Conversion Matrix PLG Economics FAQ

Freemium Presets

Load calibrated PLG conversion profiles.

Step 1: Free User Base, Conversion Rate, ARPU, Marginal Free Cost & Churn

Freemium & PLG Funnel Parameters

👥 Free Tier & Conversion Dynamics

💎 Paid Tier Monetization & Churn

Breakeven Condition: Conversion Rate must exceed (CostPerFree + AllocatedCAC) / (ARPU × Gross Margin) to avoid subsidizing non-paying users at a structural loss.

Net Monthly Contribution
$58.6K/mo
Revenue: $101.3K from 2,250 paid users
Breakeven Conversion Rate
1.44% Breakeven
Current Conversion: 4.50% (+3.06% buffer)
LTV to Blended CAC
156.3x LTV:CAC
LTV: $1,913 vs Blended CAC: $12 (50 mo lifespan)
Free Tier Cost Burden
$12.5K/mo
$0.25/user across 50,000 active free users

PLG Viability Matrix: Conversion Rate (%) vs. Cost Per Free User ($)

Simulates Net Monthly Contribution Profit ($/mo) and LTV:CAC ratio across free-to-paid conversion rates and marginal free user hosting costs.

Conversion Rate $0.05 / Free User $0.15 / Free User $0.25 / Free User $0.50 / Free User $1.00 / Free User

PLG Strategy Principles

Mastering Freemium Unit Economics

Key product-led growth (PLG) and freemium pricing rules:

  • The Free Tier is a Marketing Expense: The total cost of hosting free users is an ongoing customer acquisition cost that must be recouped through paid upgrades.
  • The Freemium Death Spiral: If marginal free user cost ($C_{ ext{free}}$) is too high (e.g. LLM/AI inference tokens), a surge in non-paying signups burns cash faster than paid revenue can cover.
  • Feature Fencing & Paywall Triggers: Successful freemium fences feature value (collaboration, API limits, advanced security, integrations) rather than punishing basic usage.
  • LTV:CAC Health: Include the free tier hosting burden in blended CAC to accurately measure payback velocity.

Explore retention waterfalls in the Net Dollar Retention (NDR) Lab.

Mathematical Formulation

Freemium economic formulas

Paying_Customers = Active_Free_Users × Conversion_Rate_%

Total_Free_Tier_Cost = Active_Free_Users × Marginal_Cost_Per_Free_User

Gross_Paid_Profit = Paying_Customers × ARPU × Gross_Margin_%

Net_Monthly_Contribution = Gross_Paid_Profit - Total_Free_Tier_Cost - CAC_Budget

Breakeven_Conversion_Rate = ( Cost_Free + [ CAC / Free_Users ] ) / [ ARPU × Gross_Margin ]

Customer_LTV = ( ARPU × Gross_Margin_% ) / Monthly_Churn_%

Test value pricing in the Value-Based Pricing (EVC) Lab.

FAQ

Freemium conversion & PLG pricing questions

What is the Freemium pricing model in software and apps?

Freemium is a customer acquisition and monetization strategy where core product functionality is provided free of charge to build a large user base, while advanced features, higher capacity, or enterprise capabilities require a paid subscription.

What is the 'Freemium Death Spiral'?

A Freemium Death Spiral occurs when the marginal cost of hosting, computing, and supporting non-paying free users exceeds the gross profit generated by converted paying customers, causing the company to burn more cash as user growth accelerates.

What is a good free-to-paid conversion rate for SaaS and apps?

Typical benchmarks range from 1% to 3% for broad consumer applications, 3% to 6% for B2B product-led growth (PLG) tools, and 6% to 10%+ for specialized developer or workflow platforms.

How do you calculate the Break-Even Free-to-Paid Conversion Rate?

Break-Even Conversion Rate equals the Marginal Cost Per Free User divided by the Monthly Gross Contribution of a Paying User (ARPU x Gross Margin %). If marketing acquisition spend is included, the allocated CAC per free user is added to the numerator.

Can I export the freemium unit economics audit to CSV?

Yes. You can export the complete freemium conversion waterfall, marginal free cost burden, LTV:CAC ratios, and 6x5 sensitivity table as a UTF-8 CSV spreadsheet with formula defense.

Continue Exploring Pricing & Growth Tools

Explore our Pricing & Profit Hub, model retention waterfalls in the NDR Retention Lab, evaluate customer acquisition in the CAC by Channel Lab, optimize lead qualification in the Lead Scoring Lab, or explore market elasticity in the Price Elasticity Lab.