SaaS Metrics Calculator.
Every SaaS KPI that matters in one form. Enter your numbers once. Get MRR, ARR, ARPU, churn, LTV, CAC, LTV:CAC, CAC payback, NRR, and Rule of 40 in a single dashboard.
Color-coded against published benchmarks for bootstrapped, SMB, mid-market, and enterprise stages. Sourced from ChartMogul, Baremetrics, OpenView, and SaaS Capital. Free, no signup.
Your SaaS health, all on one screen.
Numbers update live. Color shows where you land vs. healthy industry ranges for your stage.
Four steps. One dashboard.
Pull inputs from your billing system (Stripe, ChartMogul, Baremetrics, Paddle). Trust your numbers, not your gut.
2026 healthy SaaS ranges by stage.
Sourced from ChartMogul Open Benchmarks, Baremetrics Open Benchmarks, OpenView SaaS Benchmarks 2024, and SaaS Capital's annual report. Bands are not arbitrary. They reflect what venture-backed SaaS companies report at each stage.
| Metric | Bootstrapped | SMB | Mid-market | Enterprise |
|---|---|---|---|---|
| Monthly churn | ≤ 5%/month healthy | ≤ 3%/month healthy | ≤ 1.5%/month healthy | ≤ 0.7%/month healthy |
| LTV:CAC | 3–100x healthy | 3–100x healthy | 3–100x healthy | 3–100x healthy |
| CAC payback | ≤ 6months healthy | ≤ 12months healthy | ≤ 18months healthy | ≤ 24months healthy |
| NRR | ≥ 95% healthy | ≥ 100% healthy | ≥ 110% healthy | ≥ 120% healthy |
| Rule of 40 | ≥ 40% healthy | ≥ 40% healthy | ≥ 40% healthy | ≥ 40% healthy |
Every metric. Its own calculator.
Each metric on the dashboard has a dedicated page with the formula, worked examples, glossary cross-links, and stage-aware benchmark notes.
Frequently asked.
Everything else worth knowing about tracking SaaS metrics, from MRR to Rule of 40.
A SaaS metrics calculator turns the inputs you already have (paying customers, ARPU, churn, sales spend) into the standard subscription KPIs investors and operators rely on: MRR, ARR, LTV, CAC, LTV:CAC, CAC payback, NRR, and Rule of 40. This one computes all 10 from a single form so you do not have to bounce between pages.
Start with three: monthly recurring revenue (MRR), monthly customer churn, and CAC payback. MRR tells you scale, churn tells you whether you are leaking, and CAC payback tells you whether your acquisition is sustainable. Layer in LTV, LTV:CAC, NRR, and Rule of 40 once those three are stable.
Benchmarks reference 2025-2026 published data from ChartMogul Open Benchmarks, Baremetrics Open Benchmarks, OpenView SaaS Benchmarks 2024, and SaaS Capital's annual survey. Bands are stage-aware: bootstrapped, SMB ($1-10M ARR), mid-market ($10-100M ARR), and enterprise ($100M+ ARR). Switching stage rescales the colour-coded thresholds.
Absolute revenue numbers depend on your pricing, ICP, and stage. A $5K MRR is great for a 2-month-old indie SaaS and a disaster for a Series A company. We colour-code metrics that have universally meaningful ranges (churn, LTV:CAC, CAC payback, NRR, Rule of 40) and leave raw revenue, ARPU, LTV, and CAC neutral. Look at trends instead.
Rule of 40 = annualised growth rate (%) + profit margin (%). We annualise your monthly growth rate, then add your gross margin as a profit-margin proxy. For an exact Rule of 40 you would use EBITDA margin instead. Most early-stage SaaS use gross margin because EBITDA isn't stable yet.
The formulas match what every SaaS-focused VC uses. Inputs are your responsibility. Pull them from Stripe, ChartMogul, Baremetrics, or your billing system, not your gut. For a deck, also include trend (last 12 months of MRR), cohort retention, and gross margin breakdown.
Contribution-margin LTV: ARPU × gross margin ÷ monthly churn. This is the version investors expect. The simpler "ARPU ÷ churn" overstates LTV because it ignores COGS. Use 70-90% gross margin for software SaaS, lower if you bundle services or run high-touch support.
No. Every metric here is paying-customers-only. Including trials inflates customer counts, deflates ARPU, and breaks comparability against industry benchmarks. Trials become "customers" the moment they convert to paid.
Yes. For pure usage-based pricing, normalise to monthly recurring billed amount and use that as ARPU. For hybrid (base + usage), include the recurring base in MRR and treat overage as expansion in NRR. The formulas don't change. Only how you measure ARPU does.
Yes. No signup, no email gate, no upsell to a paid version. Built by FoundStep, the project management tool for solo developers who actually ship, to help indie SaaS founders track the numbers that matter.
MRR, ARR, ARPU monthly. Churn and NRR monthly with quarterly trend review. CAC, LTV, LTV:CAC, CAC payback, Rule of 40 quarterly. They're lagging and noisy on a monthly basis. Save the inputs in your monthly review doc so you can see drift over time.
Above 3:1 is the textbook target. Bootstrapped SaaS often hits 5-10x because organic acquisition is cheap. Enterprise SaaS targets 4-6x given long contract values. Below 1:1 means you lose money on every customer. Above 10x usually signals under-investment in growth, not over-performance.
Knowing your metrics
is the easy part.
Shipping is the hard part.
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