Startup Financial Model

Input your metrics and instantly see unit economics, health indicators, and 12-month projections. No signup required.

Revenue & Customers

$

Your current MRR

Current paying customers

%

% of customers lost per month

Avg new customers acquired monthly

Unit Economics

$

Avg cost to acquire one customer

%

Revenue minus cost of goods sold

Cash & Growth

$

Total monthly expenses

$

Current bank balance

%

Expected month-over-month customer growth

Enter your metrics

Start by entering your MRR or customer count on the left. Results will appear here instantly as you type.

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Frequently Asked Questions

What metrics should a startup financial model include?
A basic startup financial model should include: Monthly Recurring Revenue (MRR), customer count, monthly churn rate, Customer Acquisition Cost (CAC), Average Revenue Per User (ARPU), burn rate, cash on hand, and gross margin. From these inputs, you can derive critical metrics like Lifetime Value (LTV), LTV:CAC ratio, CAC payback period, runway, and Annual Recurring Revenue (ARR). More advanced models add cohort analysis, expansion revenue, and channel-level unit economics.
What is a good LTV:CAC ratio for a startup?
A healthy LTV:CAC ratio is 3:1 or higher — meaning each customer generates 3x more revenue over their lifetime than it costs to acquire them. Below 1:1 means you are losing money on every customer. Between 1-3x means unit economics are marginal. Above 5x may indicate you are under-investing in growth. The ratio is most meaningful when your churn data is reliable (6+ months of data) and your CAC includes all acquisition costs (marketing, sales salaries, tools).
How much runway should a startup have?
Most investors recommend 18-24 months of runway after raising. Under 12 months is considered critical — you should already be fundraising or cutting burn. Between 12-18 months is a planning zone where you should start preparing for your next raise. Runway is calculated as: Cash on Hand / (Monthly Burn Rate - Monthly Revenue). If your revenue exceeds your burn rate, you have infinite runway (default alive).
How do I calculate customer lifetime value (LTV)?
The simplest LTV formula is: LTV = ARPU / Monthly Churn Rate. For example, if your average customer pays $100/month and your monthly churn is 5%, LTV = $100 / 0.05 = $2,000. This means the average customer will generate $2,000 in revenue before churning. For a more accurate calculation, multiply by gross margin: LTV = (ARPU x Gross Margin %) / Monthly Churn Rate. This reflects the actual profit per customer, not just revenue.