Free startup tools
Calculators for founders. No sign-up needed.
Your numbers stay on your screen.
Cap table calculator
Who owns what after this round?Ownership before and after a round, with ESOP and SAFEs.SAFE calculator
What does my SAFE turn into?How a SAFE converts: price, shares, and cap or discount.Pre-money valuation calculator
What is my pre-money, and what do I give up?Pre-money, post-money and dilution, plus the VC method.Startup runway calculator
How many months does my cash last?Months of cash left, and when revenue covers spending.
Before a raise, use them in this order
Each answer feeds the next one.
- Runway calculator. Start here. Know how many months you have left.
- Pre-money valuation calculator. Then set your ask. See the stake you sell for it.
- Cap table calculator. Then model the round. See every holder before and after.
- SAFE calculator. Raising on a SAFE? See the price it converts at.
Then write it down. Your business plan tells the full story. Your pitch deck tells it in slides.
How these calculators work
- Each one opens with example numbers. Change them to yours.
- Results change as you type. There is no submit button.
- Every result comes only from what you type. Nothing is added from outside.
- Work in rupees or US dollars. The maths is the same.
- Each page shows its formulas in plain words.
Want to save your numbers? Use the modules in ShunyaSe. They are on Pro and Max.