# Mercari Profit Calculator

Mercari is an online free-market service, started in 2013.

If you plan to make a profit via Mercari, that is, you buy something and sell at Mercari, you need to consider shipping costs, commissions, and so on.

### Purchase Cost and Sales Price → Profit

 Purchase Cost Sales Price Shipping Cost Commision Amount on Hand Profit Profit Ratio(%) Breakeven Price

Commision = Sales Price x Commision Ratio (10% for Marcari)
Amount on Hand = Sales Price - Shipping Cost - Commision
Profit = Amount on Hand - Purchase Cost
Profit Ratio = Profit / Sales Price

### Purchase Cost and Profit → Sales Price

 Purchase Cost Profit Shipping Cost Sales Price Commision Profit Ratio(%) Breakeven Price

Sales Price = (Purchase Cost + Profit + Shipping Cost) x 10/9
Commision = (Purchase Cost + Profit + Shipping Cost) x 1/9
Profit Ratio = Profit / Sales Price

10/9 and 1/9 is a commision ratio of Mercari(10%).

### Purchase Cost and Profit Ratio → Sales Price

 Purchase Cost Profit Ratio(%) Sales Price Shipping Cost Commision Amount on Hand Profit Breakeven Price

Sales Price - Commision(Sales Price x Commision Ratio) - Profit(Sales Price x Profit Ratio) = Purchase Cost + Shipping Cost)

* Rounding off may make a +/-1 yen error.

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