Available in the app
Equity split helper
Weighs idea, commitment, capital, experience and risk across both founders, and gives you a split to start the conversation from.
Calculators
The numbers behind a co-founding deal
Equity, dilution, vesting and runway usually get worked out once, in a spreadsheet, late at night, and then nobody opens the file again. These are the same calculations, somewhere you’ll actually go back to them. Runway runs right here for free, and the rest are in the app.
Free in your browser
Runway calculator
Put in your cash on hand, your monthly burn and any revenue, and you'll get your months of runway and roughly when it runs out.
Calculate your runway8 monthsOut of cash around March 2027
- Cash on hand
- 120,000
- Monthly burn
- 15,000
In the PartnerUp app
Equity, dilution, vesting and your cap table sit in the co-founder toolkit next to the legal templates and the guides, so a number you work out can go straight into a document, or into a conversation with the person you’re building with.
Available in the app
Dilution simulator
Stack pre-seed, seed and a Series A on top of an option pool, and see what's actually left of your stake at the end.
Available in the app
Vesting calculator
A one-year cliff, monthly or quarterly vesting, or a schedule you set yourself, worked out to the percentage you hold today.
Available in the app
Cap table
Every holder, every round and the option pool in one table, so you can see who owns what without rebuilding the spreadsheet.