Free Marketing Calculators
Free calculators for digital marketers. No signup, no paywall.
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Ad Cost Metrics
Measure what you're paying for clicks, impressions, leads, and conversions.
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CPC Calculator
CPC = Spend ÷ Clicks
Calculate your cost per click from ad spend and clicks, or solve for any variable.
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CPM Calculator
CPM = (Spend ÷ Impressions) × 1,000
Calculate cost per thousand impressions for display, video, and programmatic campaigns.
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CPL Calculator
CPL = Spend ÷ Leads
Calculate cost per lead to benchmark your lead gen campaigns and landing pages.
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CPA Calculator
CPA = Spend ÷ Acquisitions
Calculate cost per acquisition to measure what you're really paying per customer.
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Customer & Revenue Metrics
Understand customer value, retention, and revenue performance.
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ROAS Calculator
ROAS = Revenue ÷ Ad Spend
Calculate return on ad spend to see how much revenue each dollar of advertising generates.
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Blended CAC Calculator
Blended CAC = (Total Sales + Marketing Spend) ÷ New Customers
Calculate the true cost of acquiring a new customer across all marketing and sales channels.
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Paid CAC Calculator
Paid CAC = Paid Ad Spend ÷ Paid Customers
Calculate customer acquisition cost from paid ad spend only — ideal for evaluating paid channel efficiency.
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Simple LTV Calculator
LTV = AOV × Purchase Frequency × Customer Lifespan
Calculate customer lifetime value for ecommerce and transactional businesses using AOV, frequency, and lifespan.
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SaaS LTV Calculator
LTV = ARPU ÷ Monthly Churn Rate
Calculate LTV for SaaS and subscription businesses using ARPU and churn, with optional gross margin adjustment.
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LTV:CAC Ratio Calculator
LTV:CAC = LTV ÷ CAC
Calculate your LTV:CAC ratio and instantly see whether your unit economics are healthy or need work.
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Conversion & Engagement Metrics
Optimize conversion rates, engagement, and funnel performance.
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Conversion Rate Calculator
Conversion Rate = (Conversions ÷ Visitors) × 100
Calculate conversion rate from visitors and conversions, or solve for required traffic.
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CTR Calculator
CTR = (Clicks ÷ Impressions) × 100
Calculate click-through rate for ads, email, and search from impressions and clicks.
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Bounce Rate Calculator
Bounce Rate = (Single-Page Sessions ÷ Total Sessions) × 100
Calculate bounce rate from single-page sessions and total sessions to evaluate landing page and content engagement.
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Engagement Rate Calculator
Engagement Rate = (Engagements ÷ Reach) × 100
Calculate social media engagement rate by reach or followers for Instagram, TikTok, LinkedIn, and more.
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Funnel Conversion Calculator
Overall Conversion = (Last Stage ÷ First Stage) × 100
Model drop-off across multiple funnel stages and identify your biggest conversion bottleneck.
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Landing Page Conversion Rate Calculator
Landing Page Conversion Rate = (Conversions ÷ Landing Page Visitors) × 100
Calculate conversion rate for a specific landing page and forecast required traffic to hit your goals.
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Email Open Rate Calculator
Open Rate = (Unique Opens ÷ Emails Delivered) × 100
Calculate email open rate from delivered emails and unique opens, and benchmark against industry averages.
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Email Click-Through Rate Calculator
Email CTR = (Unique Clicks ÷ Emails Delivered) × 100
Calculate email click-through rate from delivered emails and unique clicks.
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Click-to-Open Rate (CTOR) Calculator
CTOR = (Unique Clicks ÷ Unique Opens) × 100
Calculate click-to-open rate to measure how compelling your email content is to openers.
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Built for marketers, by marketers
Most marketing calculators online are buried under pop-ups, newsletter gates, and lead-capture forms. We built ConversionMath to be the opposite: fast tools that load instantly, work on any device, and give you the answer without asking for your email. More calculators are on the way.