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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
- Product-Led Growth Onboarding: Driving Rapid ActivationIn a PLG model, your product must sell itself. This means the onboarding experience is your primary sales rep. If users do not…Read the guide
- Micro SaaS Pricing Models: Structuring for ProfitabilityPricing is the single most powerful lever in a Micro SaaS business. Yet, founders consistently underprice their products, relying…Read the guide
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- Minimum Viable Product Development: Ship FasterPerfectionism is the enemy of validation. An MVP is not a smaller version of your final vision; it is a singular tool designed to…Read the guide
- Startup Metrics Dashboard: KPIs that Actually MatterData without structure is noise. A startup metrics dashboard should not be a sprawling collection of every conceivable data…Read the guide
- Product-Market Fit Metrics: How to Measure True PMFProduct-market fit is not a gut feeling; it is a mathematical reality visible in your data. If you scale acquisition before…Read the guide
Startup glossary
Full glossaryBig ideas. Plain words.
The terms you will meet along the way, explained in plain language.
- UptimeThe percentage of time that a system or network is operational and available to users.See the definition
- Working CapitalThe difference between a company's current assets (cash, accounts receivable) and current liabilities…See the definition
- Expansion RevenueAdditional recurring revenue generated from existing customers through upselling (higher tiers)…See the definition
- Term SheetA non-binding agreement setting forth the basic terms and conditions under which an investment will be made.See the definition
- Average Order Value (AOV)The average dollar amount spent each time a customer places an order on a website or app.See the definition
- Burn RateThe rate at which a company is losing money. Gross burn is total monthly expenses; Net burn is total expenses…See the definition
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- Cost Per Acquisition (CPA)The cost to acquire a non-customer action, such as a lead, sign-up, or registration, rather than a paying…See the definition
- Capital Expenditures (Capex)Funds used by a company to acquire, upgrade, and maintain physical assets such as property, plants…See the definition
- Annual Recurring Revenue (ARR)The annualized version of MRR. It represents the recurring revenue a company would generate over a year based…See the definition
- Application Programming Interface (API)A set of protocols that allows different software applications to communicate with each other.See the definition
- Pre-Seed RoundThe earliest stage of funding a new company comes across, usually to fund the creation of the minimum viable…See the definition
- Tag-Along RightsA provision protecting minority shareholders, allowing them to join in a sale initiated by majority…See the definition
From the blog
All postsRead beyond the obvious.
Ideas, field notes and founder lessons worth taking into your next decision.
- 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
- How to price a side hustle with no customers yetA practical guide to calculating first client rates based on real living expenses and actual working hours.Read the story
- 50 High-Margin Online Business Ideas That Require Little Capital50 online business ideas grouped by how the margin is made: licensing, expert matching, urgent bookings, idle assets…Read the story
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- 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
- 50 Passive Income Business Ideas That Still Need You (a Little)Fifty passive income ideas sorted by how they actually earn: templates you sell again and again, digital assets, coin machines on…Read the story
- 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