Calculate stock split adjustment from your own figures.
Calculated in your browser. No account required. Illustrative estimate. Review the assumptions before using the result.View calculation table
How this calculation works
New shares = Old shares × Split ratio
Enter the labelled inputs. Percent fields use 5 for 5%. Price adjusts inversely in a simple split.
A worked example
Old shares: 100 shares; New shares per old share: 2 ratio; Old price: 50 USD. Stock split adjustment: 200.
Assumptions and limitations
Price adjusts inversely in a simple split. All monetary inputs must use one currency and time period unless conversion is explicit. Manual inputs only; no live prices or official rule tables.
Common questions
Why can my actual result differ?
Price adjusts inversely in a simple split. All monetary inputs must use one currency and time period unless conversion is explicit. Manual inputs only; no live prices or official rule tables.
Are my inputs saved?
The calculator code processes inputs within your browser and does not send them to our server or save them in browser storage. Downloads and copied summaries remain under your control.