A split calculation service providing system according to the present invention comprises: a seller server receiving order information from a customer group including at least two customers; a price determination module including a price calculation part identifying price for each product included in the order information and calculating the total product price, and a price division part calculating individual price divided from the total product price; and a payment module including a payment request part interlocked with a financial company server to request a payment for the individual price from each customer, and a payment amount transfer part providing the paid individual price to the seller server.
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