Four free calculators built for SaaS founders — Churn Impact, Burn Multiple, CAC Payback, and Automation Platform Cost (Zapier vs Make vs n8n). No signup, no email, no data stored. Everything runs in your browser. Built by an editorial site with nothing to sell — just accurate numbers founders need before board meetings, investor calls, and tool-renewal decisions. Includes 2026 benchmark tables for each metric.
