A/B Price Test Sample Size Calculator
Calculate the minimum sample size needed for a statistically significant A/B price test. Set confidence level, power, and minimum detectable effect.
Freemium Conversion Value Calculator
Calculate the expected revenue from your freemium user base. Model free user costs, conversion rate, ARPU, and break-even conversion rate.
$
%
$
$48,500.00/mo
Net Freemium Profit
194% ROI
Paid Users⧉
1,500
from 50,000 free users
Monthly Revenue⧉
$73,500.00
Total income before expenses
Free Tier Cost⧉
$25,000.00
$0.50/user
Freemium CAC⧉
$16.67
Cost to acquire each paid user
Break-Even Conversion Rate
3%
0%B/E: 1.02%10%
✔ 2.9× above break-even: Your conversion rate of 3% is 2.9× the break-even rate of 1.02%.
Funnel Flow
50,000
Free Users
→
3%
Convert
→
1,500
Paid Users
→
$48,500.00
Net Profit
Sensitivity: Conversion Rate
| Conv. Rate | Paid Users | Revenue | Net Profit | ROI |
|---|---|---|---|---|
| 0.5% ⚠ | 250 | $12,250.00 | -$12,750.00 | -51% |
| 1% ⚠ | 500 | $24,500.00 | -$500.00 | -2% |
| 1.5% | 750 | $36,750.00 | $11,750.00 | 47% |
| 2% | 1,000 | $49,000.00 | $24,000.00 | 96% |
| 3% ← | 1,500 | $73,500.00 | $48,500.00 | 194% |
| 4% | 2,000 | $98,000.00 | $73,000.00 | 292% |
| 5% | 2,500 | $122,500.00 | $97,500.00 | 390% |
| 7% | 3,500 | $171,500.00 | $146,500.00 | 586% |
| 10% | 5,000 | $245,000.00 | $220,000.00 | 880% |
Sensitivity: ARPU
| ARPU | Revenue | Net Profit | B/E Rate |
|---|---|---|---|
| $9.00 | $13,500.00 | -$11,500.00 | 5.556% |
| $19.00 | $28,500.00 | $3,500.00 | 2.632% |
| $29.00 | $43,500.00 | $18,500.00 | 1.724% |
| $39.00 | $58,500.00 | $33,500.00 | 1.282% |
| $49.00 ← | $73,500.00 | $48,500.00 | 1.02% |
| $79.00 | $118,500.00 | $93,500.00 | 0.633% |
| $99.00 | $148,500.00 | $123,500.00 | 0.505% |
| $149.00 | $223,500.00 | $198,500.00 | 0.336% |
| $199.00 | $298,500.00 | $273,500.00 | 0.251% |
Planning notes, formulas, and examples
About the Freemium Conversion Value Calculator
A freemium model only works if enough free users convert to paying customers to cover the cost of supporting everyone who doesn't. Our Freemium Conversion Value Calculator models the full economics of your free-to-paid funnel: the cost of serving free users, the revenue generated by conversions, and the break-even conversion rate that makes the business viable.
Enter your total free users, cost per free user, conversion rate, and average revenue per paying user (ARPU) to see whether your freemium strategy is profitable — and by how much. The calculator also shows the break-even conversion rate so you know the minimum threshold you must hit to stay in the black.
Whether you run a SaaS product, mobile app, or content platform with a free tier, understanding the unit economics of your freemium funnel is essential for making smart decisions about feature gating, pricing tiers, and growth investments.
Use the result to compare scenarios, test assumptions, and revisit the model when pricing, volume, or financing inputs change.
When This Page Helps
Freemium models are deceptively simple on the surface but complex underneath. Every free user costs money to support — servers, bandwidth, support tickets — and the conversion rate determines whether that investment pays off. This calculator makes the hidden math explicit, showing you exactly how many conversions you need to break even and how much surplus revenue your current conversion rate generates.
How to Use the Inputs
- Enter the total number of free users on your platform.
- Enter the average monthly cost to serve each free user.
- Enter your current free-to-paid conversion rate as a percentage.
- Enter the average revenue per paid user (ARPU) per month.
- Review the expected paying users, revenue, costs, and net profit.
- Check the break-even conversion rate to understand your minimum viable threshold.
- Use the sensitivity table to model different conversion rate scenarios.
Formula used
Paying Users = Free Users × Conversion Rate
Monthly Revenue = Paying Users × ARPU
Free User Cost = Free Users × Cost Per Free User
Net Monthly Profit = Monthly Revenue − Free User Cost
Break-Even Conversion Rate = Total Free User Cost / (Free Users × ARPU)
ROI = Net Monthly Profit / Free User Cost × 100Example Calculation
Result: 1,500 paid users, $73,500 revenue, $25,000 costs, $48,500 net profit (194% ROI)
With 50,000 free users at $0.50/mo each, the free tier costs $25,000/month. At a 3% conversion rate, 1,500 users pay $49/mo ARPU, generating $73,500 in monthly revenue. Net profit is $48,500, a 194% return on the cost of supporting the free tier. The break-even conversion rate is approximately 1.02%, so the current 3% rate provides a healthy margin of safety.
Tips & Best Practices
- A healthy SaaS freemium conversion rate is typically 2–5%. Below 1% usually signals a product-market fit or pricing problem.
- Track cost per free user carefully — it's not just hosting. Include support, onboarding emails, and infrastructure overhead.
- Focus on reducing cost per free user AND increasing conversion rate for maximum leverage.
- If break-even conversion is above 5%, consider whether freemium is the right model for your product.
- High ARPU can compensate for low conversion rates — B2B products often convert at 1–2% but at much higher ARPU.
- Consider lifetime value instead of monthly ARPU for a more complete picture.
The Economics of Freemium
Freemium isn't free — it's a customer acquisition strategy where you subsidize free users with the revenue from paid converts. Like any acquisition channel, it needs to be measured on ROI. The break-even conversion rate is the single most important metric because it tells you the minimum performance your funnel must achieve for the strategy to work.
Optimizing Your Funnel
Most teams focus exclusively on increasing conversion rate, but there are three levers: (1) reduce cost per free user through infrastructure optimization, (2) increase conversion rate through better onboarding and feature gating, and (3) increase ARPU through pricing optimization and upselling. Improving all three compounds the effect dramatically.
When to Kill the Free Plan
If your break-even conversion rate is consistently above your actual conversion rate and you can't close the gap through optimization, it may be time to switch to a free trial model. A 14-day trial creates urgency, eliminates the long tail of inactive free users, and often converts at 8–15% — far above typical freemium rates. The trade-off is a smaller top-of-funnel, but higher efficiency per user.
Sources & Methodology
Last updated:
Frequently Asked Questions
Industry benchmarks vary widely. Consumer apps (Spotify, Dropbox) convert at 2–4%. B2B SaaS tools often see 1–3% for self-serve and 5–15% for product-led growth with strong onboarding. The key metric isn't the rate alone but whether it exceeds your break-even conversion rate.
Sum all costs related to your free tier: cloud hosting, CDN bandwidth, customer support time, onboarding email costs, and any third-party API usage. Divide by total free users. For a typical SaaS product, this ranges from $0.10 to $2.00 per user per month depending on infrastructure intensity.
Average Revenue Per User (ARPU) is the actual average monthly revenue across all paying customers, accounting for different plan tiers, add-ons, and discounts. It's typically lower than your listed price because some users are on cheaper plans or have promotional discounts. Use real billing data, not list price.
Freemium works poorly when cost per free user is high (e.g., products requiring manual setup), when the market is small (fewer free users means fewer conversions), or when the product's value is immediately obvious and worth paying for. If your break-even conversion rate is above 8–10%, a free trial may be more cost-effective.
The total cost of supporting free users is effectively part of your CAC. If you spend $25,000/month on the free tier and convert 1,500 paying users, the freemium-attributed CAC is $16.67 per paid customer. Compare this to your paid acquisition channels to determine whether freemium is cost-competitive.
Both approaches work. Feature gating (e.g., no team features on free) signals premium value and drives upgrades when teams need collaboration. Usage limits (e.g., 100 requests/month) let users experience full functionality but create natural upgrade triggers. The best choice depends on your product's core value proposition.
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