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Churn Rate Calculator — Customer, Gross MRR, Net MRR

Free churn-rate calculator. Three flavours: customer churn, gross MRR churn, and net MRR churn (with expansion offset). Net < 0% is the holy-grail "negative churn".

Churn Rate Calculator (Customer + MRR)

Customer churn

3.00%

Gross MRR churn

3.50%

Net MRR churn

2.30%

For SMB SaaS, monthly churn <5% is good, <2% is excellent. Net MRR churn < 0% = "negative churn" = expansion revenue from existing customers beats cancellations. The best SaaS metric in the world.

About this tool

The three churn metrics

  • Customer churn — what % of customers cancelled.
  • Gross MRR churn — what % of MRR was lost.
  • Net MRR churn — gross churn minus expansion MRR.

Negative net churn = expansion revenue from existing customers beats cancellations. The best SaaS metric in the world.

How to use the Churn Rate Calculator (Customer + MRR)

Takes about a minute. No signup, no download, your data stays in your browser.

  1. 1
    Open the tool. Scroll up to the Churn Rate Calculator (Customer + MRR) above — it loads instantly in your browser, no install needed.
  2. 2
    Enter your values. The fields come pre-filled with realistic defaults so you can see how it works — replace them with your own numbers.
  3. 3
    Read the result. The output updates instantly. Copy or share it — nothing is uploaded to a server, everything stays on your device.

Frequently asked questions

Common questions about the Churn Rate Calculator (Customer + MRR).

Is the Churn Rate Calculator (Customer + MRR) free to use?

Yes. The Churn Rate Calculator (Customer + MRR)on 7BusyBoss is completely free — no signup, no paywall, no usage cap.

Do I need to sign up to use the Churn Rate Calculator (Customer + MRR)?

No. The Churn Rate Calculator (Customer + MRR)works instantly in your browser — no account needed. Signing in with Google is optional and only unlocks features like saving favorites and higher AI build limits.

Does the Churn Rate Calculator (Customer + MRR) work on mobile?

Yes. Every tool on 7BusyBoss is mobile-responsive and works in any modern browser — Chrome, Safari, Firefox, Edge — on phones, tablets and desktops.

Is my data safe when I use the Churn Rate Calculator (Customer + MRR)?

Yes. The Churn Rate Calculator (Customer + MRR)runs entirely in your browser — your inputs never leave your device unless the tool explicitly fetches public data (e.g. currency rates). We don't store the values you type.

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