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Weighted purchase price with fees calculator

Find an average acquisition price weighted by two purchase quantities, including stated fees.

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Your result

Total quantity30
Total acquisition cost3,210
Average acquisition cost per unit107

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How to calculate

Weighted purchase price with feesThis arithmetic average helps reconcile two purchases; it does not recommend an investment or determine the tax treatment of a sale. Concept diagram; not to scale.Weighted purchase price withfees1First purchase quantity102First unit price1003Total quantity30MyCalCute.com
This arithmetic average helps reconcile two purchases; it does not recommend an investment or determine the tax treatment of a sale. Concept diagram; not to scale.

Find an average acquisition price weighted by two purchase quantities, including stated fees.

Total quantity = q1+q2
Total acquisition cost = q1*p1+q2*p2+f1+f2
Average acquisition cost per unit = (q1*p1+q2*p2+f1+f2)/(q1+q2)

Worked example

  • First purchase quantity: 10
  • First unit price: 100
  • First purchase fees: 5
  • Second purchase quantity: 20
  • Second unit price: 110
  • Second purchase fees: 5
  • Total quantity: 30
  • Total acquisition cost: 3,210
  • Average acquisition cost per unit: 107

Assumptions and limits

All prices and fees must use one currency and quantities one unit. Sales, returns, splits, foreign exchange and jurisdiction-specific tax cost-basis rules are excluded.

Results are rounded for display; calculations use unrounded values. Read our calculation methodology.

Understanding the result

Find an average acquisition price weighted by two purchase quantities, including stated fees. This arithmetic average helps reconcile two purchases; it does not recommend an investment or determine the tax treatment of a sale.

When this tool is useful

This arithmetic average helps reconcile two purchases; it does not recommend an investment or determine the tax treatment of a sale.

Understanding your inputs

InputExample
First purchase quantity q110
First unit price p1100
First purchase fees f15
Second purchase quantity q220
Second unit price p2110
Second purchase fees f25

Frequently asked questions

What does this model leave out?

All prices and fees must use one currency and quantities one unit. Sales, returns, splits, foreign exchange and jurisdiction-specific tax cost-basis rules are excluded.

How do I reproduce the example?

Enter the displayed example values in their labelled units. Apply the formula before rounding; change one input at a time to compare scenarios.

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