Free Marketing Calculators with Real Benchmarks
Every calculator comes with sourced, dated benchmarks, so you do not just get a number, you get to see what a good number actually looks like. Instant, free, and no sign-up.
The calculators
Each one shows the formula, a worked example, and a benchmark table so the result has context.
Conversion Rate Calculator
Visitors and conversions into a rate, with reverse-mode targets.
Click-Through Rate Calculator
CTR for ads, email, and organic search.
ROAS Calculator
Return on ad spend as a ratio or in dollars, plus break-even.
Engagement Rate Calculator
Per-platform engagement: Instagram, TikTok, YouTube, LinkedIn and more.
Ecommerce Conversion Rate by Industry
Sourced average ecommerce conversion rates by industry and device.
Email Open Rate Calculator
Open rate, CTR and click-to-open in one panel, with benchmarks.
Churn Rate Calculator
Customer and revenue churn, monthly and annualized, plus retention.
Average Order Value Calculator
Average order value and revenue per visitor, with vertical benchmarks.
Why StatCalcs
Instant
Results update as you type. Nothing to submit, nothing to wait for.
Real benchmarks
Every "what is a good number" table is built from cited, dated public sources, not guesses.
Free and private
No sign-up and no accounts. Your inputs stay in your browser. Add it to your home screen and it works offline.