Instant calculator
Average Cost Calculator
Use the average cost calculator to estimate a new blended price after adding to a position.
How to use
Quick steps
- Enter first quantity, first price, second quantity, second price.
- Review the instant answer block and supporting calculations.
- Compare the result with related tools in the same category before making a decision.
Formula
How this calculator works
Average cost = total cost / total quantity
This calculator assumes only two entries. Add more trades if you want a full lot history.
FAQ
Common questions
How does the average cost calculator work?
It uses Average cost = total cost / total quantity. Enter first quantity, first price, second quantity, and second price to generate an instant estimate.
When should I use this average cost calculator?
Blend two entries into a new average cost basis.
What should I keep in mind?
This calculator assumes only two entries. Add more trades if you want a full lot history.