Free Interactive Utilities
Free SMB Financial Calculators
Interactive financial modeling, cost analysis, and tax compliance tools designed to give business founders instant clarity—100% free with zero signup required.
Financial ModelingMost Popular
13-Week Cash Burn & Runway Calculator
Calculate your exact zero-cash date, monthly burn rate, and 13-week cash runway under custom revenue and cost growth scenarios.
Executive AdvisoryROI Tool
Full-Time vs Fractional CFO Cost Savings Calculator
Discover how much capital your business saves by replacing a full-time in-house CFO ($250k–$400k/yr) with CashFlowCalm Fractional CFO leadership.
Tax & ComplianceCompliance Tool
US & Global Sales Tax Nexus Threshold Checker
Check economic sales tax thresholds across US states, EU VAT OSS, UK HMRC, and Canadian GST to ensure 100% tax compliance.
Want Automated Financial Modeling Built In?
CashFlowCalm automatically updates these runway and burn models daily using live bank and ledger feeds.
Schedule Live Model Demo