wzlxp.top builder tools

Founder tools

Plan runway before the calendar makes the decision for you.

Founder Tools is the non-AI-cost branch of WZLXP Tools: practical calculators for cash runway, MRR, churn, burn, revenue targets, and startup operating choices.

How long can we operate? Estimate months of runway from cash, revenue, burn, growth, and one-time costs. What should change first? Open the runway calculator to compare burn reduction and revenue improvement needed to reach a runway target. How much recurring revenue do we have? Open the MRR calculator to connect subscription revenue with runway and hiring plans.

Startup Runway Calculator

Estimate months of runway, net burn, projected cash-out month, and the monthly improvement needed to reach a runway goal.

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MRR Calculator

Calculate SaaS MRR, ARR, ARPA, churned MRR, expansion MRR, net MRR, and the gap to a target revenue milestone.

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Churn Rate Calculator

Calculate customer churn, retention rate, gross revenue churn, net revenue retention, ending MRR, and annualized MRR at risk.

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FAQ

Founder tools quick answers

What are Founder Tools for?

Founder Tools help builders estimate runway, burn, revenue targets, and operating tradeoffs before making hiring, fundraising, or pricing decisions.

Which founder calculator should I use first?

Start with the startup runway calculator if you need to know how many months of cash you have left and what monthly improvement is needed to hit a runway goal.

Are these financial advice?

No. These are planning calculators. Use them for quick scenario thinking, then verify important decisions with your accounting records and qualified finance advisors.