BusinessCalcs · Startup Hub
Free Startup & Business Calculators
Runway modeling, break-even analysis, SaaS pricing strategy, unit economics, and e-commerce margin calculators — built for Indian founders, operators, and online sellers.
Startup Hub — 7 tools
Runway Command Center
Cash survival horizon, hiring impact, and break-even timing.
Break-Even Studio
Target-profit planning with safety buffer and sensitivity scenarios.
SaaS Pricing Lab
Margin-first pricing with churn and competitor context.
CLV Intelligence
LTV:CAC efficiency and payback quality checks.
Amazon Seller Profit
FBA & FBM margins, ROI, and net profit with INR/USD rules.
Flipkart Seller Profit
FBF & Self-ship margins, Fixed/Collection fees, and net profit for INR.
Food Delivery Margin
Four restaurant delivery calculators: price hike, discount-safe listed price, exact item match, and full Swiggy, Zomato, and ONDC ledger.
Editorial Guides
All guides →How to Estimate Startup Runway Without Lying to Yourself
A founder-focused approach to runway that avoids vanity math and turns burn estimates into operating decisions.
How to Calculate Break-Even and Use It for Real Pricing Decisions
Break-even is more useful as a pricing and operating tool than as a textbook formula.
AI API Cost Unit Economics: Model Token Spend Before You Ship the Feature
A practical operating guide for SaaS teams that need model usage to work as a business, not just as a demo.
Amazon Seller Profit Mechanics: Understanding True FBA Margins
Selling on Amazon is an exercise in unit economics. If you don't understand referral fees, FBA costs, and ACOS, revenue growth will bankrupt you.