Runway Calculator Logo
RunwayCalculator
Equity Dilution & Capital Sizing Engine

SAFE Note & Dilution Runway Calculator

Determine exactly how much capital to raise on a Post-Money SAFE to achieve your 18 or 24-month runway goal, and model founder equity dilution.

Fundraising & Valuation Parameters

Standard Y Combinator Post-Money SAFE valuation cap.

Recommended SAFE Raise
$299,000

Includes $260,000 core capital + 15% contingency buffer to secure 18 months.

Extended Runway:19.9 months
Founder Dilution5.98%Equity given to SAFE investors
Remaining Ownership94.02%Retained by founding team

Financijski Alati

Explore more precision calculators to streamline your planning.

Svi Kalkulatori
Kalkulator Čiste Likvidnostifinancial

Izračunajte stvarne mjesece preživljavanja pomoću klizača za kriznu gotovinsku rezervu (0–50%).

Otvori kalkulator
Startup Runway Kalkulatorfinancial

Predviđanje likvidnosti za rane faze sa složenim rastom i ključnim etapama rizičnog kapitala.

Otvori kalkulator
Burn Rate & Množitelj Kalkulatorfinancial

Izmjerite bruto i neto brzinu trošenja novca te kapitalnu učinkovitost SaaS Burn Multiplea.

Otvori kalkulator
Kalkulator Utjecaja Zapošljavanjafinancial

Modelirajte troškove novih plaća i doprinosa (1.15x–1.30x) te izračunajte točno skraćenje runwaya.

Otvori kalkulator

SAFE Note & Dilution Frequently Asked Questions

Everything you need to know about cash runway, burn rates, and financial planning.

Under the standard Y Combinator Post-Money SAFE, founder dilution is calculated directly as: Dilution (%) = Investment Amount ÷ Post-Money Valuation Cap. For example, raising $500,000 on a $5,000,000 post-money valuation cap dilutes existing shareholders by exactly 10.0%.