Calculators
Calculators. Five instruments.
Free calculators for the core growth math — unit economics, required growth rate, CAGR & ROI, A/B test significance, and campaign success odds. Each shows the inputs, the formula, and the threshold above which the answer matters — and opens in Google Sheets.
№ 01Unit Economics Calculator — CAC, LTV, payback, and the LTV:CAC ratio that decides whether scaling helps.4 outputsOpen →№ 02Growth Rate Calculator — the monthly rate required to hit a goal by a deadline, and its annual equivalent.3 outputsOpen →№ 03CAGR & ROI Calculator — compound annual growth rate, total return, and the annualized average.3 outputsOpen →№ 04A/B Test Significance Calculator — a two-proportion z-test at 95% confidence — rates, lift, and p-value.5 outputsOpen →№ 05Campaign Success Calculator — the real probability a campaign hits its goal — at least k wins across n attempts, from the per-attempt odds.4 outputsOpen →