SplitDilutionDesk

Split Ratio Calculators

Pick a ratio for a worked, step-by-step example.

Editorial review required before launchBuild edition: September 2026Sources and limits below

Forward splits

2-for-1 calculator 3-for-1 calculator 4-for-1 calculator 10-for-1 calculator 20-for-1 calculator

Reverse splits

1-for-2 calculator 1-for-3 calculator 1-for-5 calculator 1-for-10 calculator 1-for-15 calculator 1-for-20 calculator 1-for-25 calculator 1-for-50 calculator

More on dilution

Stock split cost basis adjustment Share dilution from an ATM offering Real tracked split history

Put the explanation to work.

Change the assumptions, compare the results, and export the numbers without creating an account.

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