Startup Tools
Free, deterministic calculators for founders. No sign-up required. Your data never leaves your browser.
10
Tools
50K+
Calculations
$0
Forever
EQUITYPOPULAR
Equity Calculator
Calculate exact option value, ownership %, and post-exit returns.
CALCULATE →FREE
RUNWAYPOPULAR
Runway Calculator
Track burn rate, forecast death date, and plan your next move.
CALCULATE →FREE
DILUTIONPOPULAR
Dilution Simulator
Model equity dilution across funding rounds. See your slice shrink.
CALCULATE →FREE
SAAS METRICS
Unit Economics
Calculate LTV:CAC ratio, payback period, and unit profitability.
CALCULATE →FREE
COMPENSATION
True Hourly Rate
Factor in equity, taxes, and hours to find your real hourly rate.
CALCULATE →FREE
REVENUE
Net Revenue Calculator
Calculate revenue after payment gateway fees. Stripe, PayPal, etc.
CALCULATE →FREE
AI COSTS
API Token Cost
Estimate OpenAI and Claude API costs before the bill arrives.
CALCULATE →FREE
INFRASTRUCTURE
Capacity Planner
Project database storage needs and plan for scale.
CALCULATE →FREE
GROWTH
Viral Coefficient
Calculate K-factor and model viral growth loops.
CALCULATE →FREE
LAUNCHNEW
Launch Timing
Find the optimal time to launch your product.
CALCULATE →FREE
Tool Workflows
Compare Tools
Equity Calculator
Dilution Simulator
Use Case
Calculate option value and ownership
Model equity dilution across rounds
Best For
Employees evaluating offers
Founders planning fundraising
Key Metrics
- • Share value
- • Ownership %
- • Exit returns
- • Dilution %
- • Post-money valuation
- • Ownership over time
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