Free online ad spend calculator. Calculate CPM, CPC, CPA, CTR, and conversion rate. Enter your ad spend, impressions, clicks, and conversions to get key advertising efficiency metrics. | No registration · Data never uploaded
Zero dependencies · Works offlineEnter your advertising data to automatically calculate CPM, CPC, CPA, CTR, and conversion rate.
CPM (Cost Per Mille) is the cost per thousand impressions. Formula: CPM = (Total Ad Spend / Impressions) × 1000. CPM is the most common pricing model for brand awareness campaigns.
CPC (Cost Per Click) = Total Ad Spend / Clicks. CPA (Cost Per Acquisition) = Total Ad Spend / Conversions. CPC measures click efficiency, while CPA measures final conversion effectiveness.
Optimize ad creative to improve CTR, use precise audience targeting, A/B test different copy, improve landing page conversion rates, use retargeting, and bid during less competitive times or regions.
Benchmarks vary: Facebook ads average CPM ~$7-10, CPC $0.5-2. Google Search CPC $1-3. B2B CPA may reach $50-200, while e-commerce CPA typically $10-50. Always compare against ROAS.