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SaaS Pricing & MRR Calculator

Model your growth before it costs you
SaaS growth looks simple on a spreadsheet — until churn kicks in. This calculator projects your MRR 12 months forward, factoring in your acquisition rate, monthly churn, and current customer base to give you a realistic revenue forecast and customer lifetime value estimate.

3% churn

Healthy
21 months avg lifespan

5% churn

Concerning
Most customers gone in 14 months

8% churn

Critical
Losing 60%+ of base annually

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Metrics

The four numbers that define SaaS health

Investors ask about these. Board decks track these. Your calculator outputs all four.

Pick from 50+ destinations

Monthly Recurring Revenue
The heartbeat of any SaaS business. MRR = customers × price. This number either trends up and to the right, or your business is in trouble.

Churn rate

Customer attrition
The percentage of customers who cancel each month. 3-5% is normal for SMB SaaS; above 5% means your product isn’t sticky enough for the price.

Net growth

New minus churned
New customers acquired minus those who churned. If this number is negative, your customer base is shrinking — even if MRR looks fine right now.

LTV

Customer Lifetime Value
How much revenue a customer generates before cancelling. Price ÷ monthly churn rate. If LTV isn’t 3x+ your CAC, growth will never be profitable.

Key insight

Growth is not enough

If your churn outpaces your new customer acquisition, you’re shrinking — even if your MRR is rising. Here’s why.

New customers

Acquisition masks churn in the early months. You add 15 customers, lose 8 — net looks fine. But those 8 didn’t just leave; they left because your product isn’t delivering enough value for the price.

Churned customers

Every churned customer represents a broken value proposition for someone. Track churn by cohort — if month-3 churn is high, your onboarding isn’t working. If month-9 churn spikes, your product lacks stickiness.

Benchmarks

Best-in-class SaaS churn is 1-2% monthly (for enterprise) and 3-5% for SMB. If your model shows negative net growth, reduce churn before scaling acquisition. Spending to acquire customers who cancel in 3 months is the fastest path to burning cash.

Forecast with confidence

Know your MRR 12 months from now

Enter your customers, price, churn, and monthly adds. See the projection and LTV instantly.