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The founder's toolkit · Always free
An idea is a start. Make your next move count.
Run the numbers. Find your starting point. Everything here is free, with no sign-in or credits.
Free startup calculators
All calculatorsEvery number. A clearer decision.
Your inputs. Clear working. Find the costs, margins and milestones behind your next move.
- Break-evenHow many units you have to sell before the business stops losing money.Open calculator
- Startup costWhat it costs to open the doors, and how long your cash lasts after that.Open calculator
- Return on investmentHow long the money you put in takes to come back, and what it returns in a year.Open calculator
- Funding neededHow long your cash lasts, and how much more you need to reach the month you are aiming for.Open calculator
- Customer Acquisition CostHow much you spend to acquire a single paying customer.Open calculator
- Lifetime Value (LTV)A strategic tool to calculate Lifetime Value (LTV) for your business.Open calculator
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- LTV:CAC RatioA strategic tool to calculate LTV:CAC Ratio for your business.Open calculator
- Payback PeriodA strategic tool to calculate Payback Period for your business.Open calculator
- Gross MarginA strategic tool to calculate Gross Margin for your business.Open calculator
- Net MarginA strategic tool to calculate Net Margin for your business.Open calculator
- ARPUA strategic tool to calculate ARPU for your business.Open calculator
- Churn RateA strategic tool to calculate Churn Rate for your business.Open calculator
Startup guides
All guidesOpen a new chapter.
Practical reading for the decisions ahead, with fresh picks from the library each visit.
- Startup Cash Flow Management: Extending Your RunwayRevenue is vanity, margin is sanity, but cash is reality. A profitable startup will still go bankrupt if the timing of its cash…Read the guide
- B2B SaaS Churn Reduction: High-Retention StrategiesAcquiring a new customer is five times more expensive than retaining an existing one. High churn will eventually stall your…Read the guide
- Early Stage Startup Hiring: Finding Founding EngineersYour first ten hires will dictate the culture, velocity, and ultimate success of your company. You cannot hire purely for…Read the guide
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- Zero-Investment Business Models for Bootstrapped FoundersCapital is an accelerant, not a prerequisite. Bootstrapping forces financial discipline and rapid iteration. By leveraging…Read the guide
- Competitor Analysis Framework for FoundersObsessing over competitors leads to derivative products. However, ignoring them entirely is strategic negligence. A strong…Read the guide
- B2B Cold Email Lead Generation: High-Converting FrameworksCold email is not dead; it has simply evolved. Spray-and-pray tactics will ruin your domain reputation and yield zero results…Read the guide
Startup glossary
Full glossaryBig ideas. Plain words.
The terms you will meet along the way, explained in plain language.
- Vesting ScheduleA timeline detailing when employees or founders earn full ownership of their granted equity.See the definition
- Service Level Agreement (SLA)A documented agreement between a service provider and a customer that identifies the services required and…See the definition
- A/B TestingA randomized experimentation process wherein two or more versions of a variable (web page, page element…See the definition
- Activation RateThe percentage of signed-up users who successfully complete a predefined set of key actions representing the…See the definition
- Content MarketingA strategic marketing approach focused on creating and distributing valuable, relevant, and consistent…See the definition
- BootstrappingBuilding a company entirely from personal finances or operating revenue without raising outside venture…See the definition
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- Customer Churn RateThe percentage of total customers who cancel their subscription over a given period.See the definition
- Post-Money ValuationThe valuation of a company immediately after a new round of investment capital is added to its balance sheet.See the definition
- Participating Preferred StockA dreaded equity structure (often called 'double dipping') where an investor first gets their investment back…See the definition
- Product-Market Fit (PMF)The degree to which a product satisfies a strong market demand. Often characterized by high retention…See the definition
- Cap Table ManagementThe process of managing the capitalization table using software to ensure accuracy during fundraises, 409A…See the definition
- Application Programming Interface (API)A set of protocols that allows different software applications to communicate with each other.See the definition
From the blog
All postsRead beyond the obvious.
Ideas, field notes and founder lessons worth taking into your next decision.
- The Packing Error That Ends a Subscription Box CompanySelling software to subscription box founders lets you build recurring income without buying, storing, or shipping physical…Read the story
- The Two Week Wait That Built a Van BusinessHow to launch a van-based bicycle mechanic operation that skips retail leases and fixes the two-week repair shop queue.Read the story
- Why Your Cobbler Said No and Who Still Says YesQuick-fix counters reject complex welted footwear every day. Here is how to build a craft cobbling service for premium leather…Read the story
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- selling social media caption templates for niche businessesDesign tools made graphics easy, but small business owners still spend hours staring at blank text boxes before posting.Read the story
- Five Contradictory Answers and Real LiabilityFree forums give dangerous advice to trade professionals carrying legal liability. Here is how to build a paid community focused…Read the story
- How to find your first paying customer without spending on adsYour first sale comes from people who already trust you, not from paid ads. Here is how to turn your contact list into paying…Read the story