🔀 Stock Split Calculator

Adjust shares and price for split ratios

How to Use This Calculator

1

Enter current shares and price

Use pre-split values.

2

Enter split ratio

For 2-for-1, use numerator=2 and denominator=1.

3

Calculate

See adjusted shares and price.

Formula

New Shares = Old Shares × (Num/Den); New Price = Old Price × (Den/Num)

Frequently Asked Questions

Reverse split?

Use Num < Den (e.g., 1-for-5) to model reverse splits.

Does value change?

No—market value is unchanged immediately after the split.