Free tools for founders
Calculators built by the team behind the directory. Free, no signup, nothing leaves your browser.
Startup Runway Calculator
Enter your cash, burn, and revenue to see how many months of runway you have and your projected zero-cash date — then see how much of that burn startup credits could absorb.
Open calculatorCloud Credits Savings Calculator
Enter your monthly cloud and AI spend to see how many months AWS, Google Cloud, Azure, and AI credit programs could cover — and what they are worth to you in dollars.
Open calculatorSAFE Dilution Calculator
Enter your SAFEs (cap, discount, amount) and a hypothetical priced round to see who owns what after conversion — founders, SAFE holders, new investors, and option pool.
Open calculatorWhat's Your Stack Worth?
Tick the tools your startup already uses — cloud, AI, banking, analytics — and see the total value of the startup credits and deals available for your exact stack.
Open calculatorOn ideaforstartups.com
Founder Fit Quiz & Business Idea Generator
Haven't picked what to build yet? Our sister site matches validated startup ideas to your skills in seven questions, plus an idea generator and MRR goal calculator.
Open on Idea for Startups