ToolNestFree SaaS Churn Rate Calculator
Last updated: October 21, 2026
Quick answer: Churn is the leaky bucket under every SaaS business: new customers pour in the top while cancelled accounts drain out the bottom. If you don't measure the leak, growth is a guess. This free SaaS churn rate calculator measures both kinds of leak at once — customer (logo) churn, the share of accounts you lost, and revenue churn, the share of MRR that walked out the door — plus net revenue retention, which credits you for the expansion revenue (upsells and cross-sells) that offsets the losses. Enter your starting customers, customers lost, new signups, starting MRR, churned MRR, and expansion MRR, and get all three metrics plus a plain-English verdict on where you stand. Everything runs in your browser: your numbers never leave your device.
🔒 100% Private: Data never leaves your device.
Estimates only — not financial advice. Benchmarks quoted are broad B2B SaaS averages; your segment's healthy churn depends on ACV, contract length, and customer size.
✓ Free forever · ✓ No signup · ✓ Tool inputs stay in your browser — never sent to our servers.
How to Use the SaaS Churn Rate Calculator
- Enter your customers at the start of the period and how many cancelled — those two numbers set the logo churn rate.
- Add new customers acquired so the calculator shows net customer growth alongside the churn.
- Fill in the money side: MRR at start, MRR lost to churn and downgrades, and expansion MRR from upsells and cross-sells.
- Pick the period (monthly or annual) — the verdict benchmarks adjust to match.
- Read the three headline metrics — logo churn, revenue churn, net revenue retention — plus the verdict on where you stand.
Why Use Our SaaS Churn Rate Calculator?
- Logo + revenue churn in one pass — customer churn and MRR churn side by side, so you see whether big accounts or small ones are leaving.
- Net revenue retention — credits expansion MRR against churned MRR, the metric investors actually ask about.
- Expansion-aware math — upsells and cross-sells are inputs, not footnotes: revenue churn and NRR reflect the real money movement.
- Period-aware verdicts — benchmarks shift between monthly and annual views, so a 3% monthly churn isn't judged like a 3% annual one.
- Net growth shown too — customers and MRR at period end, so churn sits next to the growth it's fighting.
- Private by design — all math runs in your browser; your customer and revenue numbers never leave your device.
Common Use Cases
- Board meeting prep: Walk in with logo churn, revenue churn, and NRR for the quarter — the three numbers every SaaS board expects, computed from your own inputs in seconds.
- Before/after a pricing change: Run the calculator on the quarter before and after a price increase: revenue churn vs. expansion MRR shows whether the hike paid for the cancellations it caused.
- Comparing customer cohorts: Compute churn for your Q1 signups vs. Q3 signups separately. If one cohort leaks twice as fast, the problem is acquisition or onboarding — not the product.
- Investor updates: Founders raising a round get asked for NRR constantly. Keep a monthly series from this calculator and the number is always ready.
- Setting customer-success targets: Give your CS team a concrete goal — 'cut monthly logo churn from 4% to 2.5% by Q3' — and re-run the numbers monthly to track the trend.
- Splitting churn by pricing tier: Run the calculator once per plan tier. If the $29 tier churns at 8% monthly while the $299 tier churns at 1%, the business problem is not the product — it is who you are acquiring at the low end, or what the low tier promises. Tier splits turn one scary average into an actionable segment.
- Sizing a win-back campaign: Multiply churned accounts by a realistic win-back rate (2–5% is typical for a first campaign) to size the prize before spending on it: 200 churned accounts × 3% × $100 MRR = $600 MRR recoverable. If the campaign costs more than that, fix the reason they left first.
- Staffing customer success from churn volume: Churned accounts per month, divided by accounts-per-CSM, is the hiring math: 60 cancellations a month with one CSM per 150 accounts means the team is drowning in save attempts instead of preventing them. Use the calculator's monthly churn count to argue for headcount before the backlog argues for you.
SaaS Churn Rate Calculator vs Alternatives
- Baremetrics / ChartMogul: Excellent — they pull your Stripe data automatically and track cohorts, LTV, and dunning. They're also paid products that need a data integration. This calculator is the free, instant, no-integration version for a quick read or a one-off board slide.
- A spreadsheet: If you track churn monthly, a spreadsheet you built is the source of truth — keep it. This page is the fast check you run before a number earns a row in that sheet, or when someone asks 'what's our churn?' in a meeting.
- Stripe / Paddle dashboards: Your payment processor shows revenue churn-ish numbers, but mixes in failed payments and trials, and rarely shows logo churn cleanly. This calculator separates the two deliberately.
- Other free churn calculators online: Most compute logo churn only and stop there — no revenue churn, no expansion MRR, no NRR, no verdict. The expansion-aware math is this page's actual edge.
- ProfitWell (free metrics): ProfitWell's free metrics product connects to Stripe and tracks MRR, churn, and retention automatically, with cohort views. It is the closest free rival to a full dashboard — but it needs the Stripe integration and a ProfitWell account, and its free tier is a funnel into paid retention products. This page is the no-integration, no-account version for a single number.
- Product analytics (Mixpanel / Amplitude): Excellent at why users disengage — feature adoption, session patterns, funnel drop-offs — but they measure usage, not revenue churn. A user can be highly active right up to cancelling, or dormant for months on an annual plan. Pair usage analytics with this calculator's revenue numbers; neither replaces the other.
If you run on Stripe and want churn tracked automatically with cohorts and dunning analytics, Baremetrics or ChartMogul earn their subscription. For a fast, honest read of logo churn, revenue churn, and NRR with no signup and no data integration — or the monthly number you check before it goes in the spreadsheet — this page is the quickest way to get it.
Frequently Asked Questions
What is a good churn rate for SaaS?
For B2B SaaS, under ~2% monthly logo churn is strong, 2–5% is average for SMB-focused products, and above 5% monthly is a leaky bucket that will stall growth. Enterprise SaaS with annual contracts often runs under 10% annual logo churn. Revenue churn should be lower than logo churn — small accounts churn more than big ones — and best-in-class companies push net revenue retention above 100%.
How do you calculate churn rate?
Customer (logo) churn = customers lost ÷ customers at start × 100. Example: 18 cancellations out of 500 starting customers = 3.6%. Revenue churn = MRR lost to churn ÷ starting MRR × 100. Both are period-bound — always say which period: 3.6% monthly and 3.6% annual are wildly different businesses.
What is the difference between logo churn and revenue churn?
Logo churn counts accounts; revenue churn counts dollars. If your 10 smallest customers cancel, logo churn looks bad while revenue churn barely moves. If one enterprise account cancels, the reverse happens. Track both — the gap between them tells you who is leaving.
What is net revenue retention (NRR)?
NRR measures what happened to the revenue from your existing customers: (starting MRR − churned MRR + expansion MRR) ÷ starting MRR × 100. Above 100% means your existing base is growing on its own through upsells — the hallmark of best-in-class SaaS. Investors weight NRR heavily because it's growth without acquisition cost.
How do you convert monthly churn to annual churn?
Roughly: annual churn ≈ 1 − (1 − monthly churn)12. A 3% monthly churn compounds to about 31% annual — which is why 'just 3%' is worse than it sounds. This calculator judges your number against benchmarks matched to the period you select, so you don't have to convert.
How can a SaaS company reduce churn?
The highest-leverage moves: fix onboarding (most churn is decided in the first 30–90 days), instrument cancellation reasons and attack the top one, add annual plans to cut monthly decision points, build expansion paths (upsells turn churned dollars into retained ones), and run win-back campaigns for recently churned accounts. Measure monthly with this calculator — you can't fix what you don't track.
What is gross revenue retention (GRR), and how does it differ from NRR?
GRR measures what happened to existing-customer revenue without counting expansion: (starting MRR − churned MRR) ÷ starting MRR × 100. It can never exceed 100% — it only falls. NRR is the same formula plus expansion MRR, so it can exceed 100%. The gap between them is the story: NRR 112% with GRR 88% means you are losing 12% of the base and upselling your way out of it — healthy-looking, but fragile if upsell motion stalls. Track both; NRR alone flatters.
Should free trials and freemium users count in churn?
No — not in the same number. Churn is a paying-customer metric: trials that never convert are a conversion problem, not a churn problem, and freemium users who never pay dilute the denominator until the rate means nothing. Compute churn on paying accounts only, and track trial-to-paid conversion as its own funnel metric. Mixing the two is the most common way early-stage SaaS understates its real churn.
What is the difference between voluntary and involuntary churn?
Voluntary churn is a customer choosing to leave (switched vendors, shut down, no longer needs you). Involuntary churn is a customer lost to failed payments — expired cards, bank declines, billing errors. The split matters because the fixes are unrelated: voluntary churn needs product and onboarding work, involuntary churn needs dunning (retry logic, card-update prompts, grace periods). If failed payments are more than ~20–30% of your churn, fix billing before you redesign onboarding.
How is churn rate related to retention rate?
For a single period they are complements: retention = 100% − churn. A 3.6% monthly logo churn is a 96.4% monthly logo retention. The trap is compounding: 96.4% retention sounds excellent until you raise it to the 12th power — only about 64% of the starting cohort remains after a year. Always state the period, and always convert monthly figures to annual ones before comparing against benchmarks quoted annually.
How long a period should I measure churn over?
Monthly is the operating cadence for most SaaS — fast enough to catch a bad release or a pricing change, slow enough to smooth daily noise. But small bases are noisy: losing 2 of 40 customers is a 5% month that means almost nothing. If you have under ~200 customers, look at rolling 3-month churn alongside the monthly figure, and never make a strategy decision off a single month. Annual churn is the board number; monthly is the management number.
Does churn include downgrades, or only cancellations?
Both belong in revenue churn, and the distinction is why logo and revenue churn are reported separately. A customer who cancels outright hits both metrics. A customer who downgrades from $500 to $200 a month hits only revenue churn (they are still a logo). If your revenue churn is much worse than your logo churn, you have a downgrade problem — customers staying but spending less — which usually points at packaging or value perception, not at the product failing outright.
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