Felix ZHU
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30+ free SaaS calculators for founders — revenue, CAC, churn, LTV:CAC, ROAS, conversion rate, and more. All run in your browser. No sign-up, no data collection, no tracking. Built because I was tired of blog posts that say "3:1 LTV:CAC is good"
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Top comments (2)
You know you should track your SaaS metrics, but pulling the numbers together takes forever. I built 30+ free calculators that do it in 30 seconds — all client-side, no sign-up. Start with LTV:CAC. If it's below 3:1, you have a problem no amount of growth will fix.
30+ free SaaS calculators. Revenue, CAC, churn, ROAS, conversion rate, AI tool ROI. All run locally in your browser. No email gate, no tracking, no bullshit.