What you provide
What you provide
- Existing cost: Existing total cost.
- New purchase share: Use the new purchase cost as a percentage of existing cost for this compact planner.
FINANCE / MONEY PLANNING
Stock Average Cost Calculator
Calculate the blended cost per share across an existing position and a new purchase. Review the entered amounts, rate, formula, and resulting planning estimate together.
- 01 Calculated in this tab
- 02 Values stay in this browser tab
- 03 Use boundary
Use boundary
Calculation path
Enter the values shown. Nirmion calculates locally in your browser and explains the formula and assumptions beside the result.
Calculation path
Allocated amount = total x selected share / 100.
What you receive
What you receive
- A primary estimate
- Supporting planning metrics
- The formula and limitations used
Use boundary
Choose the maximum decimal places shown. This does not increase source accuracy.
Planning estimate only. Confirm current rates, local rules, fees, and professional guidance before making a financial decision.