Average Price Calculator
Enter each buy price and quantity, in order, and this free calculator works out your weighted average price in KRW, USD, or JPY. Add a target average and an extra buy price to see how many more units you need to raise or lower your average, then export the result as a PDF.
평단가 계산기, 물타기 계산기, 평균 매입 단가 계산기, 목표 평단가 계산기, average price calculator, stock average calculator, cost basis calculator- Created
- 2026.09.19
- Updated
- 2026.09.19
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How to use
Choose a currency (KRW, USD, or JPY), then enter each buy price and quantity in the order you bought.
If you bought in batches, set how many rows to add and click "+ Add a buy" (up to 20 rows total — empty rows are skipped).
Click "Calculate average" to get your final average price.
Enter a target average and an additional buy price to see how many more units — and how much — you need. This works for raising or lowering your average.
Export the result with "Export PDF".

