Startup GTM Financial Model

Model your go-to-market economics — CAC, LTV, churn, growth, runway, and 36-month P&L

Adjust inputs below • All outputs update in real time

Model Inputs

Start with your business model, then tune the sliders. Switching the model type resets to realistic defaults for that category.

Business Model

B2B SaaS

  • Selling software subscriptions to businesses. Long sales cycles, high LTV, lower churn.
  • Revenue via monthly/annual seat-based or usage-based pricing.
  • CAC dominated by sales salaries and marketing. Expansion revenue from upsells common.

💰 Revenue

Per seat/account/month
% increase in new customers each month
% of customers lost per year
Upsell/expansion as % of existing MRR

🎯 Acquisition

Fully loaded cost to acquire one customer
Avg months from first touch to close
% of new customers from paid channels
% of trials/leads that become paying customers

📊 Cost Structure

Team salaries, office, SaaS tools, infrastructure
Hosting, support, customer success, usage costs
Paid ads, content, events, SEO

Key Metrics Dashboard

Unit economics and milestone outputs from your model.

ARR Milestones

$0
ARR — Month 12
0 customers
$0
ARR — Month 24
0 customers
$0
ARR — Month 36
0 customers

Unit Economics

$0
Customer LTV
lifetime value
0x
LTV:CAC Ratio
—
0 mo
CAC Payback Period
months to recover CAC
0 mo
Avg Customer Lifetime
months before churn
0%
Gross Margin
revenue minus COGS
0%
Net Revenue Retention
expansion minus churn

Cash & Operations

$0
Month 1 Burn Rate
net cash flow
—
Months to Breakeven
first profitable month
$0
Total Capital Needed
to reach breakeven
0
Leads Needed / Month
at your conversion rate

36-Month Growth Curve

MRR progression month by month. Bars show revenue; the red overlay shows total costs.

MRR (Revenue)
Total Monthly Costs
Net Income (profit months)
Net Income (loss months)

Scenario Comparison

Conservative, Base, and Aggressive views based on your inputs. Base uses exactly your slider values.

36-Month P&L Projection

Full monthly model with customers, revenue, costs, and cumulative cash position.

Expand 36-Month P&L Table
Mo Customers New Churned MRR Expansion COGS Gross Profit Marketing Fixed Costs Net Income Cum. Cash