FounderMath

Will your startup survive?

The only startup calculator built on real investor frameworks. Get your score in 60 seconds — free.

Y Combinator·Bessemer Venture Partners·OpenView 2024·a16z·SaaStr

--
/100
--
Runway
0/20
LTV:CAC
0/30
Churn Health
0/25
Growth Efficiency
0/25
Move the sliders to see your FounderMath Score — built on frameworks used by top VCs.

Capital & Operations

Starting Capital $50,000

Cash on hand before revenue

Monthly Operating Costs $8,000

Salaries, infrastructure, SaaS tools

Monthly CAC Spend $2,000

Marketing & sales spend to acquire customers

Gross Margin 70%

SaaS: 70–80% · E-comm: 30–50% · Services: 30–55%

Pricing

Monthly Price / Customer $49

Growth

New Customers / Month 10
Monthly Churn Rate 3.0%

% of customers who cancel each month

Expansion Revenue 0%

Monthly upsell/upgrade % per existing customer

Conversion Rate 3%

Visitors who become paying customers

Projection Horizon

Months 24 months

Your Numbers vs. Industry Benchmarks

Metric Yours Median Top 25% Source

Actionable Insights

MRR Projection

Runway — Cash Position

Month-by-Month Projection

Full cohort breakdown

Enter your email to unlock the complete projection table — and receive your score report.

Unlock your full report

Get the month-by-month cohort table plus your full FounderMath score report — emailed to you instantly. No spam, ever.

No spam. One-time email with your score. Unsubscribe anytime.

Investor-Ready Report

Your numbers,
formatted for investors.

Full metric breakdown with benchmarks All sources cited (YC, Bessemer, a16z) Month-by-month cohort projections Ranked risk & opportunity analysis Coastline-branded PDF

$29 one-time payment. Instant download. Formatted for angel and seed-stage pitches.

Your biggest risk

Run your numbers to see your #1 lever.

Coastline identifies the single metric that, if improved, would have the greatest impact on your business model — then builds the plan to close it.

Book a Free Strategic Audit

No commitment. 30 minutes. Specific to your model.