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Title: HOWTO: calculate transaction fees Post by: Cyberdyne on March 02, 2013, 12:05:44 AM Quote from: http://bitcoinfees.com The client checks the size of the transaction in bytes. The size depends on the numbers of inputs and outputs, and is roughly: 148 * number_of_inputs + 34 * number_of_outputs + 10 If this size is less than 10,000 bytes and the transaction's priority was high enough to qualify as free, then the transaction still qualifies as free, otherwise a fee is required. The fee is charged per 1000 bytes or part thereof. The amount charged per 1000 bytes defaults to 0.0005 BTC Full article at http://bitcoinfees.com |