The purpose of this research is to determine the effect of card payment instruments (APMK) and inflation against the velocity of money in Indonesia period 2009QI – 2018QIV. The data used in this research is time series data from I quarter 2009– quarter IV 2018, obtained from Bank Indonesia (BI). The independent variabel in this study is a credit card (X1), ATM card/Debit card (X2) and Inf…