Pre and Post Money Valuation Calculator

Understanding Pre-Money vs. Post-Money Valuation

In venture capital, angel investing, and startup funding rounds, valuation dictates how much equity investors receive in exchange for their capital investment. The core distinction lies in whether the valuation includes or excludes the new investment capital.

Key Valuation Formulas

The relationship between pre-money valuation, investment amount, post-money valuation, and investor equity ownership is defined by the following equations:

$$\text{Post-Money Valuation} = \text{Pre-Money Valuation} + \text{Investment Amount}$$ $$\text{Investor Equity Ownership (\%)} = \frac{\text{Investment Amount}}{\text{Post-Money Valuation}} \times 100$$ $$\text{Pre-Money Valuation} = \frac{\text{Investment Amount}}{\text{Investor Equity Ownership (\%)}} - \text{Investment Amount}$$

Calculating Share Price & Share Issuance

To determine how many new shares are issued to incoming investors during a priced equity round, use the existing pre-round share count $N_{existing}$:

$$\text{Price Per Share} = \frac{\text{Pre-Money Valuation}}{N_{existing}}$$ $$\text{New Shares Issued} = \frac{\text{Investment Amount}}{\text{Price Per Share}}$$

Issuing new shares dilutes the percentage ownership of existing shareholders while preserving the monetary value of their original shares.

Frequently Asked Questions

What is pre-money valuation?

Pre-money valuation refers to the agreed economic value of a company before receiving new cash investments in a fundraising round.

What is post-money valuation?

Post-money valuation is the total value of the company immediately after a fundraising round closes. It equals the pre-money valuation plus the total new capital invested.

How does an option pool affect pre-money valuation?

Investors frequently require an employee option pool (typically 10% to 15%) to be created from the pre-money valuation ("unallocated option pool shuffle"), which increases founder dilution before the new investment is added.

Why is post-money valuation important for investors?

Post-money valuation directly determines the exact percentage of equity the investor receives for their cash investment.