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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.
- Business Idea Validation Framework: Test Before You BuildThe graveyard of startups isn't littered with bad ideas, but with unvalidated ones. Founders, blinded by conviction, often build…Read the guide
- Inbound Marketing for Bootstrapped StartupsBootstrapped founders cannot outspend venture-backed competitors on ads. Your leverage lies in inbound marketing. By building…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
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- 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
- TAM, SAM, and SOM Market Sizing: A Practical GuideUnderstanding your market isn't a theoretical exercise; it’s a foundational requirement for any operator building a viable…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.
- Gross Revenue ChurnThe percentage of recurring revenue lost due to cancellations and downgrades over a given period.See the definition
- 409A ValuationAn independent appraisal of the fair market value (FMV) of a private company's common stock, required by the…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
- Affiliate MarketingAn arrangement where an online retailer pays a commission to an external website for traffic or sales…See the definition
- Rule of 40A benchmark stating that a mature software company's combined growth rate and profit margin should exceed 40%.See the definition
- Cohort AnalysisAnalyzing user behavior by breaking them into groups (cohorts) based on a shared characteristic, typically…See the definition
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- Lead Velocity Rate (LVR)The month-over-month growth percentage of qualified leads entering the sales pipeline.See the definition
- Liquidation PreferenceA clause defining who gets paid first—and how much—if the company is sold, liquidated, or goes bankrupt…See the definition
- AcquisitionWhen one company purchases most or all of another company's shares to gain control of that company.See the definition
- Pre-Money ValuationThe valuation of a company prior to a new round of investment capital being injected.See the definition
- Monthly Recurring Revenue (MRR)The normalized monthly amount of subscription revenue a company expects to receive. It excludes one-time fees.See the definition
- SAFE (Simple Agreement for Future Equity)An investment contract popularized by Y Combinator where an investor provides capital in exchange for the…See the definition
From the blog
All postsRead beyond the obvious.
Ideas, field notes and founder lessons worth taking into your next decision.
- 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
- That date on the coffee bag is not a roast dateHome roasters often sit on exceptional coffee without realizing how easily fresh beans outmatch commercial supermarket bags at…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
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- 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
- One Off Gutter Jobs Are a Bad Business. Contracts Are Not.Single gutter cleaning jobs leave you stranded between seasons. Monthly and annual contracts build stable cash flow with basic…Read the story
- The invoice your client judged before reading itPlumbers and electricians buy document tools to look established, making clean billing layouts a steady digital product if you…Read the story