SaaS tools

Free API and metered-billing revenue estimator. Enter your per-unit price, average monthly usage per customer, and customer count to see your MRR — plus a scenario table showing revenue at 2×, 5×, and 10× usage growth.

Free ARR waterfall decomposition calculator. Break your ARR growth into new-logo ARR, expansion, contraction, and churn to see the classic SaaS waterfall view and identify which lever has the biggest impact on net new ARR.

Free annual vs monthly pricing calculator for SaaS. Enter your monthly price and annual discount to see the cash flow benefit of annual plans, the breakeven month, and the true cost of the discount in deferred revenue.

Free CAC payback period calculator. Enter your customer acquisition cost, average revenue per customer, and gross margin to see how many months it takes to earn back what you spent acquiring a customer.

Free churn impact calculator. Enter your MRR, customer LTV, and churn rate to see exactly how a 1–2% change in monthly churn compounds over 12–24 months.

Free cohort revenue decay calculator. Enter your starting cohort MRR and monthly churn rate to see surviving revenue at months 3, 6, 12, and 24 — and what an NRR improvement is actually worth in dollar terms.

Free customer lifetime value calculator. Enter your average revenue per customer, gross margin, and churn rate to see what a single customer is worth over their lifetime.

Email and CRM cost comparator. Enter your subscriber count and growth rate to see which provider — Mailchimp, Kit, Klaviyo, MailerLite, Brevo, ActiveCampaign — is cheapest now and when each pricing tier kicks in.

Allocate SDR and AE salary costs to new enterprise deals based on team size, OTE, time allocation, pipeline velocity, and demos per close — then compare against self-serve CAC to see your true blended acquisition cost.

See the MRR impact of changing your trial-to-paid conversion rate or trial length — and what moving conversion by just 1–2 percentage points is worth in annual revenue.

Free freemium-to-paid conversion calculator. Enter your freemium MAU, conversion rate, and ARPU to see your MRR — plus a sensitivity table showing the revenue impact of ±0.5% and ±1% shifts in conversion rate.

Free MRR growth projector. Enter your starting MRR, new business added per month, expansion revenue, and churn rate to see where your MRR lands at the end of a chosen time horizon.

Free Net Revenue Retention (NRR) calculator. Enter your starting MRR, expansion MRR, contraction MRR, and churned MRR to get your NRR % with benchmark bands showing where you stand — below 100% is shrinking, 120%+ is elite.

Free PLG viral K-factor calculator. Enter invites sent per activated user and your invite-to-signup rate to see your K-factor and projected user growth across five viral cycles — without any paid acquisition.

Free Rule of 40 calculator for SaaS. Enter your revenue growth rate and profit margin to see your Rule of 40 score and where you stand against benchmarks for healthy, funded, and public SaaS companies.

Free SaaS Quick Ratio calculator. Enter new MRR, expansion MRR, churned MRR, and contraction MRR to get your Quick Ratio with a colour-coded health rating — below 1 is declining, 4+ is elite growth.

Free SaaS pricing model simulator. Compare flat-rate, seat-based, and usage-based pricing across your customer segments to see which model generates the most revenue — and which customers pay more or less under each.

Free seat vs usage-based pricing simulator. Enter your per-seat and per-unit prices, define your customer mix by tier, and see which pricing model generates more revenue — and which customers win or lose under each.