Free tools
Calculators for SaaS & AI economics
SaaS gross margin calculator
Free SaaS gross margin calculator: enter monthly revenue and costs like AI APIs, hosting and Stripe fees to get gross profit, margin % and where each $1 goes.
LLM cost per user calculator
Estimate OpenAI and Anthropic Claude API cost per request and per user per month from tokens, caching and usage, and see the margin at your price.
AI pricing calculator
Find the minimum monthly price for an AI SaaS plan from AI cost per user, other variable costs, payment fees and your target gross margin.
Stripe fee calculator
Calculate Stripe fees and what you receive for a charge, including international cards, currency conversion, Stripe Billing and Stripe Tax, by region.
MRR & ARR calculator
Calculate MRR, ARR and ARPA from your plans, prices, billing intervals and customer counts — annual plans are normalized to a monthly value automatically.
SaaS unit economics calculator
Calculate customer lifetime value, LTV to CAC ratio and CAC payback in months from acquisition cost, ARPA, gross margin and monthly churn.
See your real margin in five minutes.
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