Decision calculator
Equity Dilution Calculator
Model ownership dilution when new shares are issued.
Modeled result
$0.00 monthly
$0.00 annually
Methodology and assumptions
Post-issue ownership = current ownership × existing shares ÷ post-issue shares. Dilution is the difference from current ownership. Options, convertibles, and differing share rights are excluded.
Currency outputs are rounded to the nearest minor currency unit.
Pricing last verified:
Frequently Asked Questions
What does the Equity Dilution Calculator calculate?
Model ownership dilution when new shares are issued.
How accurate is the Equity Dilution Calculator?
It is a planning estimate based on the inputs, formula, assumptions, and sources shown on this page. Actual prices, invoices, taxes, discounts, and outcomes can differ.
Which pricing source does the Equity Dilution Calculator use?
The calculator links to Investor.gov dilution definition as its official source. The displayed pricing or reference data was last verified on 2026-09-05.
Are calculator inputs saved or sent to analytics?
Inputs are processed in your browser. Calculator values are not included in analytics events.