What is the difference between pre-money and post-money valuation?

Pre-money valuation is the company's worth before new investment capital enters, while post-money valuation is the worth after the investment is added. The post-money figure equals the pre-money value plus the total investment amount received in the round.

Can I use this calculator if I only know my investment amount and desired equity percentage?

Yes. Entering the investment amount and the investor's equity stake will instantly calculate both the pre-money and post-money valuations, showing what the company was worth before and after the funding round.

Does the calculator consider revenue, traction, or business metrics?

No. The tool performs strict mathematical reciprocation between the four inputs. It does not incorporate revenue, profit, user growth, or any other operational metrics in its calculations.

Can I embed this valuation calculator on my own website?

Yes. The tool includes a prompt to build a custom calculator that can be embedded on external sites with a quick prompt, allowing you to integrate the valuation logic into your own platform.

Investing & MarketsFree Tool

Pre and Post Money Valuation Calculator

Provided byOmni Calculatoromnicalculator.com

This pre- and post-money valuation calculator is what you need when startups and VCs sit down to talk.

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Screenshot of Pre and Post Money Valuation Calculator on Omni Calculator — omnicalculator.comOpen the live tool →

About this tool

What Pre and Post Money Valuation Calculator does

A startup valuation calculator that determines pre-money and post-money values based on any two of four inputs: investment amount, investor's equity stake, pre-money valuation, or post-money valuation. Users enter known figures to instantly calculate the remaining unknowns, providing a clear mathematical framework for funding negotiations. The tool outputs both valuation figures side-by-side, helping entrepreneurs and investors model deal terms without needing complex spreadsheets or financial expertise. It focuses on the mechanical relationship between investment size and ownership percentage rather than broader business metrics like revenue or traction. The interface presents four labeled input fields with instant reciprocal calculation, so changing any one value updates the others immediately. Unlike general business valuation tools, this calculator enforces the specific pre-money/post-money relationship, ensuring internal consistency across all four figures. A "Build a custom calculator" prompt allows embedding the tool on external sites, and a share function exports the current results as a link. The design is minimal and functional, prioritizing speed over visual polish.

Step by step

How to use the Omni Calculator Pre and Post Money Valuation Calculator

1
Open the Pre and Post Money Valuation Calculator on Omni Calculator
2
Enter any two known values from the four inputs: investment amount, investor's equity, pre-money valuation, or post-money valuation
3
View the automatically calculated remaining two values displayed instantly
4
Use the share function to export results as a link for deal discussions or documentation

Is it right for you

Best for

Early-stage founders and angel investors who need to quickly model funding terms and ownership percentages during term sheet negotiations.

Limitations

Results are purely mathematical and do not factor in business performance, revenue, or market comparables
Designed for equity stake calculations rather than comprehensive business valuation
No currency conversion or unit switching available; all figures must be entered in consistent units

Questions

Pre and Post Money Valuation Calculator FAQ

What is the difference between pre-money and post-money valuation?: Pre-money valuation is the company's worth before new investment capital enters, while post-money valuation is the worth after the investment is added. The post-money figure equals the pre-money value plus the total investment amount received in the round.
Can I use this calculator if I only know my investment amount and desired equity percentage?: Yes. Entering the investment amount and the investor's equity stake will instantly calculate both the pre-money and post-money valuations, showing what the company was worth before and after the funding round.
Does the calculator consider revenue, traction, or business metrics?: No. The tool performs strict mathematical reciprocation between the four inputs. It does not incorporate revenue, profit, user growth, or any other operational metrics in its calculations.
Can I embed this valuation calculator on my own website?: Yes. The tool includes a prompt to build a custom calculator that can be embedded on external sites with a quick prompt, allowing you to integrate the valuation logic into your own platform.

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