Marketing Calculators

Enter what you invested and earned to see your return on investment and net profit.

Enter ad revenue and ad spend to get return on ad spend as a ratio and a percentage.

Work out cost per 1,000 impressions from your campaign cost and impressions, instantly.

Enter total cost and clicks to instantly get your average cost per click.

Divide ad spend by conversions for your cost per acquisition, plus profit per conversion.

Enter clicks and impressions to instantly get your click-through rate as a percentage.

Enter conversions and visitors to instantly get your conversion rate as a percentage.

Enter cost and selling price to instantly get profit, profit margin, and markup.

Turn cost and markup into a selling price and profit, with the equivalent margin shown.

Enter a price and percentage off to instantly see the sale price and how much you save.

Estimate customer lifetime value from average order value, purchase frequency, and lifespan.

Work out customer acquisition cost from spend and new customers, plus the LTV:CAC ratio.

Turn customers lost into churn and retention rates, annualized churn, and revenue lost.

Check whether an A/B test result is statistically significant, with the confidence level.

See how many visitors your A/B test needs to detect a lift at your chosen confidence.

See the PayPal fee and what you actually receive on any amount. Editable rate for any country.

See the Stripe processing fee and your net payout, with international surcharges covered.

See the eBay final value fee, per-order fee, and your profit on any sale, with every rate editable.

Break down Etsy listing, transaction, processing, and Offsite Ads fees, and your take-home.

See Amazon referral and fulfillment fees per unit, your revenue after fees, and your profit, margin, and ROI.

Enter ad spend and ad sales for your ACoS, ROAS, and TACoS, plus the break-even and target ACoS for your margin.

See your Amazon KDP royalty per copy for Kindle, paperback, and hardcover from the price, pages, and interior.

Get the spine width and full paperback cover size with bleed for any KDP trim, page count, and paper, in inches, mm, and px.

Estimate USPS postage by weight and zone, the eBay fee on the shipping you charge, and whether your charge covers it.

Estimate USPS postage by weight and zone, the Etsy fees on the shipping you charge, and whether your charge covers it.

Estimate a channel's monthly and yearly ad earnings from views and a realistic RPM range.

Estimate your site's daily, monthly, and yearly ad earnings from pageviews and page RPM.

Turn likes, comments, and shares into an engagement rate by followers or by reach.

Turn likes, comments, saves, and shares into an Instagram engagement rate by followers, reach, or Reel views, with benchmarks.

Estimate what a sponsored Instagram post, Reel, or Story could pay from your followers, engagement rate, and niche.

Turn views and revenue into your RPM, reconstruct the advertiser CPM behind it, and project earnings at your RPM.

Turn views, likes, comments, and shares into an engagement rate by views, judged against typical YouTube videos.

Turn likes, reposts, replies, and bookmarks into an X (Twitter) engagement rate by followers or impressions, with X ranges.

Turn a Reddit Ads budget into impressions, clicks, conversions, and ROAS at 2026 CPM and CPC benchmarks, plus the ad specs.

Turn a budget into estimated impressions, clicks, engagements, and ROAS at 2026 X (Twitter) Ads benchmarks, with the ad specs.