Founder tools

The Founder Toolkit

11 free calculators to plan, price, fund and run your startup. Free, no sign-up — your numbers never leave your browser.

For founders

Estimate one-time and monthly costs to start your business in India.

How many months until your cash runs out — and when you break even.

CAC, LTV, contribution margin and payback period in rupees.

How many units you must sell each month to cover your costs.

Set a selling price from cost, margin, GST and marketplace fees.

A structured way to discuss how founders split ownership.

Model funding rounds, ESOP pools and what everyone owns at exit.

Add or remove GST from any amount, with CGST/SGST and IGST split.

Estimate your income tax under both regimes side by side and see which one saves you more.

Work out the EMI, total interest and year-by-year repayment for a business, home or personal loan.