CPA Calculator

CPA tells you what each conversion actually costs. Paired with the value of a conversion, it immediately shows whether a channel can pay for itself.

Inputs

Total spend

Conversions

Value per conversion (optional)

Profit or revenue a conversion is worth.

CPA

$25.00

CPA = Spend ÷ Conversions

CPA usually measures a single action or campaign. CAC measures the fully-loaded cost of acquiring a customer across all sales and marketing spend.

Whatever you define — a sale, a lead, a signup. Be explicit, because CPA is only comparable when the 'action' is the same.