Startup and Fundraising

Post Money Valuation Calculator

Add new investment to pre-money valuation and calculate the investor ownership implied by that post-money value.

Inputs3 editable fields
ScopeUser-entered business case
ModelStartup and Fundraising
Business calculator

Enter your numbers

Replace the sample values with figures from one consistent business period or proposal.

Calculations run in this browser and do not transmit your entries.

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Your estimate will appear here

Change the sample inputs to match your records.

A precise commercial use

Post Money Valuation Calculator converts a specific financing question into a reproducible measure. Add new investment to pre-money valuation and calculate the investor ownership implied by that post-money value. Keep the output attached to the named capitalization file.

The working file for post money valuation indicates that keep the raw population count beside the result. A percentage without scale can hide a material business change.

From business data to measure

Post-money valuation equals pre-money valuation plus new investment.

A manager reading post money valuation should remember that no external benchmark enters the equation. Post-money valuation equals pre-money valuation plus new investment. The browser supplies arithmetic, not missing business facts.

Against the defined post money valuation base, compare this result with the Convertible Note Conversion Calculator only after aligning the convertible note conversion evidence.

Data required from the working system

Before rounding Pre-money valuation, preserve its source precision. Match pre-money valuation to the chosen population. Do not offset Pre-money valuation against New investment beyond the displayed equation.

Keep the timestamp for New investment with the saved output. Match new investment to the chosen population. Check whether New investment and Pre-round fully diluted shares share a customer or contract base.

Confirm Pre-round fully diluted shares with the founding team before calculation. Use pre-round fully diluted shares from the named operating report. Align the date for Pre-round fully diluted shares with the cutoff applied to Pre-money valuation.

How to discuss the output

Against the defined post money valuation base, a historical measure and a forecast can share a formula while requiring different evidence and interpretation.

If Pre-money valuation and Pre-round fully diluted shares use different cutoffs, alignment comes before sensitivity testing.

A management response to post money valuation may involve policy, process, pricing, or staffing. Keep that action plan outside the measured value.

Judge post money valuation against the decision it informs. The same change in Pre-round fully diluted shares may be minor operationally but important contractually.

Conditions controlled elsewhere

When discussing post money valuation, arithmetic cannot settle every commercial condition. Securities law, tax treatment, legal rights, preferences, vesting, and negotiated financing terms are not determined.

In a reconciled post money valuation case, keep both raw and adjusted figures when a manual allocation affects the calculation.

A review of post money valuation shows why before combining conclusions, reconcile this page with the Startup Equity Dilution Calculator on startup equity dilution.

With the post money valuation cutoff fixed, do not overwrite this baseline; use the Startup Cap Table Calculator for the startup cap table alternative.

A small verification exercise

To test the result rows, retain Pre-money valuation = $9,500,000; New investment = $2,500,000; Pre-round fully diluted shares = 8e+06 shares.

For this post money valuation population, copy each result row, rebuild the equation, and then vary Pre-round fully diluted shares. The sample is not a target.

Questions a manager may ask

How should one-time events be treated?

With the post money valuation cutoff fixed, show them separately or define their inclusion consistently across cases.

How is an assumption owner recorded?

Within the post money valuation analysis, name the person or team responsible beside the saved field set.

What happens when definitions change?

The working file for post money valuation indicates that version the metric and avoid presenting the new definition as uninterrupted history.

Should expected values be mixed with actuals?

The source trail for post money valuation supports this point: use separate cases unless every expected field is clearly labeled.

Can the result establish causation?

From the post money valuation evidence, no. It measures the entered relationship without proving why it occurred.

When should the model be rerun?

The operating meaning of post money valuation begins here: rerun it when the cutoff, population, definition, or a material field changes.