Free Tier Cost Calculator
Calculate the true cost of running a free tier. See how much free users cost, what conversion rate you need to break even, and whether your freemium model is a growth engine or a cash drain.
Free Tier Inputs
Net Monthly Impact
$3,600
Your free tier is generating net positive revenue
Monthly Free Tier Cost
$3,750
$0.75 per user
Monthly Revenue from Converted
$7,350
150 converted users
Net Monthly
$3,600
$43,200 annually
Break-even Conversion Rate
1.5%
current: 3.0%
Conversion Rate Sensitivity
| Conversion Rate | Converted Users | Monthly Revenue | Net Monthly |
|---|---|---|---|
| 1.0% | 50 | $2,450 | -$1,300 |
| 2.0% | 100 | $4,900 | $1,150 |
| 3.0% | 150 | $7,350 | $3,600 |
| 5.0% | 250 | $12,250 | $8,500 |
| 7.0% | 350 | $17,150 | $13,400 |
| 10.0% | 500 | $24,500 | $20,750 |
Cost Breakdown per Free User
LTV Contribution Analysis
Positive but thin. Look for ways to reduce free tier costs or improve conversion.
A free tier can be a powerful growth engine or a silent cash drain. Compare your freemium vs free trial economics, check your overall burn rate, and model your pricing strategy to find the right balance between growth and sustainability.
How Free Tier Cost Is Calculated
Enter Your Costs
Input your free user count, infrastructure cost per user, and support cost per user.
Set Conversion & ARPU
Adjust your free-to-paid conversion rate and paid plan ARPU to see revenue impact.
Analyze the Economics
See net impact, break-even conversion rate, and sensitivity across different scenarios.
Free Tier Cost Formulas
Monthly Free Tier Cost:
Free Tier Cost = Free Users x (Infra Cost + Support Cost per User)Break-even Conversion Rate:
Break-even Rate = Free Tier Cost / (Free Users x Paid ARPU) x 100Net Monthly Impact:
Net = (Converted Users x ARPU) - Free Tier CostExample: 5,000 Free Users at $0.75/User
A SaaS company with 5,000 free users, $0.50 infra cost and $0.25 support cost per user, 3% conversion rate, and $49 ARPU:
Monthly Economics
At 3% conversion, this free tier generates $3,600/month in net revenue. But if conversion drops below 1.5%, the free tier becomes a net cost. Monitor your burn rate to understand how free tier costs impact your runway.
Who This Calculator Is For
SaaS Founders
Decide whether to offer a free tier, set usage limits, and understand the true cost of your freemium strategy.
Product Managers
Optimize the free-to-paid boundary by understanding which features drive conversion and which just drive cost.
Finance Teams
Model free tier costs in financial forecasts and set conversion rate targets that justify the investment.
Frequently Asked Questions
How much does a free tier actually cost?
The true cost of a free tier includes infrastructure (hosting, storage, bandwidth), support (tickets, documentation), and opportunity cost. Most SaaS companies spend $0.50-$2.00 per free user per month. With 5,000 free users at $0.75 each, that is $3,750/month or $45,000/year.
What is a good free-to-paid conversion rate?
The median free-to-paid conversion rate for SaaS is 2-5%. Top-performing products like Slack and Dropbox achieve 10-30%, but most freemium products sit around 2-4%. A rate below 1% usually signals the free tier provides too much value or the paid tier lacks compelling upgrades. Use our pricing strategy calculator to optimize your tiers.
When should I shut down my free tier?
Consider shutting down your free tier if: your conversion rate is below 1% and not improving, your free tier cost exceeds 30% of total revenue, free users consume disproportionate support resources, or the free tier attracts users who will never convert. Switch to a free trial instead.
Is a free trial better than a free tier?
Free trials typically convert at 15-25% vs 2-5% for freemium, but reach fewer users. Free trials work better for complex products where value requires setup. Freemium works better when the product has viral/network effects or when the free version drives word-of-mouth. Read our freemium vs free trial comparison for a detailed breakdown.
How do I reduce free tier costs without hurting conversion?
Focus on usage-based limits instead of removing features: cap storage, API calls, or seats rather than hiding features. Use cold storage for inactive accounts, implement rate limiting, and automate support with self-serve docs. The goal is to limit cost per user while keeping the conversion-driving features accessible.
Related Tools
Burn Rate Calculator
Calculate your monthly burn rate and runway to understand how free tier costs impact survival.
Pricing Strategy Calculator
Model different pricing tiers and find the optimal free-to-paid boundary.
SaaS Metrics Calculator
Calculate all key SaaS metrics including LTV, CAC, and payback period.
Track Free Tier Economics in Real-Time
Monitor free tier costs, conversion rates, and revenue impact across all your business entities with automated alerts.