Valuation, equity and dilution explained

These decide how much of your company you give up in return for investment. This section explains 11 of them in plain English. Jump to the calculator to try it with your own numbers.

11 terms explained

Try it with your numbers

Valuation and dilution calculator, with ASA, SAFE or loan note conversion

It starts on the worked example above. Add an option pool top-up or money converting from an ASA, SAFE or convertible loan note and see who owns what. For several named shareholders, use the full dilution calculator.

Your round

Change anything and the results update straight away.

You can type 2m or 750k.

Include options already granted.

In shares. 0 if you have none.

Money converting in this round

Instrument

Leave blank for no cap.

On the round price.

Who owns what after the round

80.0%

for founders and existing shareholders, down from 100.0% before the round

80%founders
  • Founders and existing shareholders80.0%
  • New investor20.0%
Post-money valuation
£1,000,000
Price per share
£0.80
New investor's share
20.0%
Shares after the round
1,250,000

Cap table after the round

HolderSharesShare
Founders and existing shareholders1,000,00080.00%
New investor250,00020.00%
Total1,250,000100.00%

Conversion shares are issued at completion alongside the investor's, so they dilute everyone. Some term sheets count them in the pre-money instead, which moves that dilution onto existing shareholders. Check what yours says.

Last checked . Estimates only, not financial, tax or legal advice: deal terms vary, so check your documents and take advice before you sign. More terms in the startup glossary.

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