Calculate average entry after adding units 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 average = (Old quantity×Old average + Added quantity×Added price) ÷ Total quantity
Enter the labelled inputs. Percent fields use 5 for 5%.
A worked example
Old quantity: 10 units; Old average price: 100 USD; Added quantity: 5 units; Added price: 110 USD. Average entry after adding units: 103.333333 USD.
Assumptions and limitations
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?
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.