How to use this calculator
- Enter shares before split, price per share before split, new shares in split ratio, old shares in split ratio.
- Choose a display currency, then select Calculate. Results also update after a brief pause while you edit.
- Read the result with the assumptions below. Export details or save a second scenario to compare your choices.
Formula and method
New shares = old shares × new/old ratio; theoretical new price = old price × old/new ratio.
Assumptions and limitations
Actual market price, fractional-share cash settlement and tax treatment can differ.
Worked example
With shares before split = 100, price per share before split = 60, new shares in split ratio = 3, old shares in split ratio = 2, shares after split is approximately 150.
What the result means
A split changes units, not the theoretical total value at the instant of adjustment.
Common questions
How should I interpret shares after split?
A split changes units, not the theoretical total value at the instant of adjustment.
What should I check before using this result?
Actual market price, fractional-share cash settlement and tax treatment can differ.
Methodology and transparency
Calculation specification reviewed on 2026-10-14. Mathematical implementation is tested against independent reference fixtures. This does not imply review by a licensed financial professional. Read the testing and precision policy.