What is the Dilution Calculator?
The dilution calculator is a free online tool that helps you work out dilution quickly and accurately. It uses the standard formula After % = your shares / (existing + new shares) x 100 and shows the result instantly as you type, along with a full breakdown so you can see exactly how the answer was reached.
How to use this calculator
- Enter total existing shares and new shares issued.
- Enter your holding.
- See your diluted ownership.
Formula used
After % = your shares / (existing + new shares) x 100Explanation of each input
- Existing shares โ the existing shares used in the calculation.
- New shares issued โ the new shares issued used in the calculation.
- Your shares โ the your shares used in the calculation.
Understanding your result
- Ownership before โ the calculated ownership before in %.
- Ownership after โ the calculated ownership after in %.
Step-by-step calculation
For the example values 100000 + 25000, you 20000:
- Apply the formula:
After % = your shares / (existing + new shares) x 100 - Substitute the values: 20000/125000
- Result: 16% after
Worked example
| Inputs | 100000 + 25000, you 20000 |
|---|---|
| Working | 20000/125000 |
| Result | 16% after |
Benefits and practical uses
This calculator saves you time and reduces errors when you need dilution. It is useful for students, professionals and anyone who wants a fast, reliable answer without manual calculation. Results update instantly, work in your browser and can be copied or shared in one click.
Assumptions and limitations
- Single funding round.
Frequently asked questions
What is dilution?
The fall in existing owners' percentage when a company issues new shares.
Disclaimer: This calculator provides estimates for general information only and is not financial advice. Returns are illustrative and not guaranteed; consult a qualified financial adviser before making decisions.