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Business

Subscription Revenue Calculator

Estimate MRR, ARR, churn impact, and next-month subscription revenue.

  • No sign-up
  • Planning scenario only
  • Not accounting, tax, or legal advice

What this calculator does

Use the subscription revenue calculator to estimate MRR, ARR, lost revenue from churn, and projected next-month revenue after growth.

What you need

Active customersMonthly revenue per customerNew customers next monthMonthly churn

This calculator is for business planning estimates. Verify assumptions, accounting treatment, taxes, fees, refunds, and contracts before making important decisions.

Subscription Revenue Calculator

Estimate MRR, ARR, churn impact, and next-month subscription revenue.

Related calculators

Churn RateLTVMRRCAC

How This Calculator Works

Subscription Revenue turns the inputs into a visible formula-based estimate. Use it to compare margin, funnel movement, CAC, revenue, cost, and scenario planning before changing pricing, spend, or operations.

Use the subscription revenue calculator to estimate MRR, ARR, lost revenue from churn, and projected next-month revenue after growth.

MRR is active customers multiplied by monthly revenue per customer. Next month adjusts customers for churn and new customers.

Formula

MRR = customers x ARPU. Next customers = current customers - churned customers + new customers.

Example Calculation

850 customers at $39 ARPU creates $33,150 MRR and $397,800 ARR.

When to Use This Calculator

  • Estimate SaaS revenue
  • Model churn impact
  • Plan subscription growth

Practical Scenarios

  • Run the calculator before changing pricing, spend, hiring, or targets so margin and cash impact are visible. Use case: Estimate SaaS revenue.
  • Compare conservative, base, and optimistic assumptions when revenue, conversion, CAC, or cost can move quickly. Start with Subscription Revenue, then compare the changed result with the original.
  • Use related business calculators when one metric affects the wider funnel, payback, runway, or profit picture. This is especially useful when you need to plan subscription growth.

Tips

  • Segment by plan when possible
  • Use net revenue retention for mature SaaS
  • Churned revenue can matter more than churned customers

Common Mistakes

  • Ignoring plan mix
  • Treating new trials as customers
  • Using customer churn when revenue churn is needed
  • Reading revenue as profit before fees, refunds, discounts, labor, taxes, and fulfillment costs are included.
  • Mixing monthly, annual, cohort, and campaign numbers in the same calculation.

Assumptions and Limitations

The Subscription Revenue Calculator is strongest when revenue, cost, margin, period, and funnel assumptions all use the same reporting window. Review the formula, assumptions, and related calculators before using the result in a decision.

  • Refunds, chargebacks, taxes, payment fees, labor, seasonality, and contracts can change real outcomes.
  • The result is a planning estimate, not accounting, tax, legal, or professional advice.
  • Verify assumptions against current records before changing prices, budgets, or strategy.

Subscription Revenue explains subscription revenue, MRR, ARR and SaaS revenue through decision context such as margin, period, funnel quality, and cash impact.

Recommended Next Calculators

Churn Rate

Calculate customer churn rate, retention rate, and ending customers.

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LTV

Estimate customer lifetime value from revenue, gross margin, and churn.

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MRR

Calculate net new MRR and ending MRR from SaaS revenue movements.

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CAC

Calculate customer acquisition cost from sales, marketing, and new customers.

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Related Guides

How Churn Kills SaaS GrowthWhy churn can erase new sales, weaken LTV, and make subscription revenue harder to scale.How CAC and LTV Work TogetherA practical guide to customer acquisition cost, lifetime value, conversion rate, and payback thinking.Best Free Online Calculators for Everyday DecisionsA practical guide to choosing free online calculators for money, business, health, travel, tech, and everyday planning.Business Calculators Every Small Business Should UseA small business guide to profit margin, break-even, hourly rate, and advertising calculators.

More Related Calculators

ARR

Convert MRR to ARR, ARR to MRR, and calculate annual recurring revenue movement.

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Frequently Asked Questions

Is the subscription revenue result exact?+

It is an estimate based on the inputs you enter. Real-world fees, policies, taxes, timing, and provider rules can change the final number.

Can I use the subscription revenue calculator on mobile?+

Yes. TotalNumbers calculators are designed for mobile, tablet, and desktop screens.

Which margin or funnel inputs change the Subscription Revenue Calculator most?+

Start with active customers, monthly revenue per customer, new customers next month and monthly churn. If one value is uncertain, run a second scenario rather than treating the first result as exact.

How should I use the Subscription Revenue Calculator when revenue or CAC changes often?+

The Subscription Revenue Calculator is strongest when revenue, cost, margin, period, and funnel assumptions all use the same reporting window. If active customers, monthly revenue per customer, new customers next month and monthly churn are rough, compare a realistic range before acting.

Can the Subscription Revenue Calculator guide pricing or budget changes?+

Yes, as a decision check. Keep the same reporting period for costs and revenue, then compare conservative, base, and optimistic assumptions.

Disclaimer

This calculator is for business planning estimates. Verify assumptions, accounting treatment, taxes, fees, refunds, and contracts before making important decisions.

Last updated: 2026-05-22