Tools
Calculators and worksheets built from the books. Type your numbers once — every tool reuses them.
Runway calculator
How many months until the money runs out?
Open tool →⚖️Unit economics (LTV : CAC)
Does each customer make you money?
Open tool →🍰Fundraising dilution
How much of your company will investors own?
Open tool →🎯Break-even calculator
How many sales do you need to cover your costs?
Open tool →💎Offer strength score
Score your offer with Hormozi's value equation.
Open tool →🏷️Value-based price finder
Find a price based on the value you create.
Open tool →🗺️Lean Canvas builder
Your whole startup plan on one page.
Open tool →🎯OKR builder
Turn a goal into measurable results.
Open tool →🗣️Mom Test question checker
Check your interview questions for polite-lie traps.
Open tool →🧲Product-market fit survey score
Do enough users say they'd be very disappointed without you?
Open tool →🔻Sales funnel calculator
Where do people drop off, and how much traffic do you need?
Open tool →🪣Churn & customer lifetime
How fast are customers leaving, and how long do they stay?
Open tool →📈Revenue growth projector
Where will you be in 12 months at your growth rate?
Open tool →🌍Market size (TAM / SAM / SOM)
Is the market big enough — bottom-up, not wishful thinking?
Open tool →4️⃣Rule of 40 check
Is your growth + profit balance healthy (for SaaS)?
Open tool →🔥Burn multiple
How much cash do you burn to add each £/$ of new recurring revenue?
Open tool →🔄SAFE / convertible note converter
How much will your SAFE investors own when it converts?
Open tool →🧑💼True cost of a hire
What a new person really costs — and the revenue to cover them.
Open tool →⏱️Freelance / service rate
What to charge per hour to earn what you need.
Open tool →🧊ICE idea prioritiser
Score an idea or experiment to decide what to do next.
Open tool →🦠Viral coefficient (K-factor)
Does each user bring in more users?
Open tool →📣Net Promoter Score (NPS)
How likely are customers to recommend you?
Open tool →💸Price rise simulator
Will raising prices make you more money, even if some leave?
Open tool →📢Ad return (ROAS) calculator
Are your ads actually making profit?
Open tool →📦E-commerce profit per order
What you really keep from each order.
Open tool →🏷️Rough revenue-multiple valuation
A ballpark value range for a recurring-revenue business.
Open tool →🤖Automate / delegate it?
Is it worth paying to stop doing a repeat task yourself?
Open tool →