Free tools
Founder Tools
Make the call with numbers, not gut feeling.
Four free calculators for cash runway, founder equity, unit economics and funding rounds. No sign-up; everything is calculated in your browser, and you can share the result with a link.
- Cost
- Free
- Sign-up
- Not needed
- Your data
- Stays in your browser
Calculators
Next to the result, every tool shows how the numbers are worked out and our articles on the topic.
- Cash runway
Runway calculator
How many months does your cash last, and when does it run out? Shows monthly net burn and the break-even month.
Calculate - Co-founders
Founder equity calculator
Split equity between co-founders on six weighted criteria and see the vesting schedule.
Calculate - Unit economics
Unit economics (LTV/CAC)
Customer lifetime, LTV, the LTV/CAC ratio and CAC payback period, with what the ratio means.
Calculate - Funding round
Equity dilution calculator
Pre-money, post-money, the investor's stake and the founders' new stakes, in a before-and-after table.
Calculate
How it works
All four tools work the same way; none of them asks for an email address or an account.
Enter your numbers
Each tool opens with example figures. As you type your own, the result updates instantly.
Share it with a link
Your figures are written into the page address. Send the link to your co-founder or adviser and they see the same calculation.
See the formula
Under each tool there is a plain-English explanation of the maths and answers to common questions.
Everything is calculated in your browser. We do not save your figures; they are only written into this page's address so you can share it. If you ask for the result by email, your figures go to our server only to create that email and are not stored. Amounts are in Turkish lira (₺); the maths works the same in any currency.
Done the maths? Keep up with the news too.
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