About this calculator
Calculate cost per click from ad spend and clicks.
Use platform-reported spend and valid clicks for consistent reporting.
Formula
CPC = ad spend ÷ clicks.
Example
500 spend ÷ 1,000 clicks = 0.50 CPC.
Accuracy
NUMTX shows the assumptions next to the calculation so you can replace defaults with values that match your situation. For measurements, supplier rates, fees, interest, tax or regulated work, confirm important figures with the appropriate official or professional source.