What to prove first
One buyer segment with recurring pain and a clear trigger to pay now. If that is vague, validation can't fix it.
Skip or Ship — Free Calculators
Free startup calculators — no signup required
Nine calculators covering the numbers every founder needs: launch costs, market size, unit economics, runway, and equity dilution. Free, live results, no email required.
Startup Cost Calculator
Calculate your total launch cost, monthly burn rate, and runway in 60 seconds. Free startup cost calculator — no signup required.
Market Size Calculator (TAM/SAM/SOM)
Calculate Total Addressable Market, Serviceable Addressable Market, and Serviceable Obtainable Market for your pitch deck or business plan. Free, no signup.
Break-Even Calculator
Calculate exactly how many units or customers you need to sell each month to break even. Free break-even point calculator with contribution margin.
Runway Calculator
Calculate how many months your startup can survive at your current burn rate — and the exact month you'd run out of cash. Free runway calculator.
LTV Calculator
Calculate customer lifetime value from ARPU, gross margin and churn rate. Free LTV calculator for SaaS and subscription businesses.
CAC Calculator
Calculate your customer acquisition cost, LTV:CAC ratio, and CAC payback period. Free CAC calculator for startups and SaaS businesses.
ROI Calculator
Calculate your return on investment, net profit, and payback period. Free ROI calculator for business and startup decisions.
Equity Dilution Calculator
See exactly how funding rounds dilute your ownership stake across multiple rounds. Free equity dilution calculator for founders.
SaaS Pricing Calculator
Work backward from your revenue goal to see how many customers you need at any price point, and where you break even. Free SaaS pricing calculator.
Direct answer
The Skip or Ship Idea Lifecycle System evaluates ideas with five consistent signals: market demand, competition intensity, execution difficulty, revenue potential, and customer clarity. Same inputs, same verdict — every time.
What kills momentum
Generic ICPs, vague outcomes, and zero distribution plan. These collapse execution speed within weeks.
What to decide next
One channel, one wedge use case, one pricing hypothesis to test in the next 14 days.
Validate this idea before building
Move from idea generation into evidence-based validation with the core Skip or Ship Idea Lifecycle System. Free verdict, premium signal cards, no signup needed for the first run.
Frequently asked questions
Are these calculators really free?
Yes. All nine calculators are fully free with live results — no signup, no email gate, no credit card.
Which calculator should I use first?
Start with the startup cost calculator if you're pre-launch, or the break-even calculator if you already have a price point and want to check the unit economics.
Do these calculators save my data?
No. Calculations run entirely in your browser and are not stored or transmitted anywhere.