Interactive Calculator

SaaS Return on Capital Flywheel

See how capital flows through a SaaS firm and compounds sticky recurring revenue. Toggle Golden Section Lending to see what non-dilutive debt does to the math.

Your Inputs

Capital Invested $1,000,000
Initial S&M investment deployed into proven channels.
Sales Cycle 6 months
Average time from S&M spend to closed ARR.
Sales Efficiency Ratio 0.80×
S&M cost to create $1 of new ARR. Lower is better — 0.5× means $1 creates $2 of ARR.
Golden Section Lending Borrow 40% against ARR — reinvest 90% of total ARR instead of 50%.
Cumulative ARR Over 5 Years
Period-by-Period Breakdown
Period S&M Deployed New ARR Cumulative ARR