Conversion Rate Calculator divides conversions by total visitors and displays the rate as a percentage with configurable decimal precision. Everything runs locally in your browser — nothing is uploaded.
Calculate trial-to-paid conversion rate. Enter total trials and paid conversions to understand your freemium or trial funnel performance. Everything runs locally in your browser — nothing is uploaded.
Models subscription revenue across tiers (free, monthly, annual) with inputs for conversion rate, churn, customer count, and average revenue. Everything runs locally in your browser — nothing is uploaded.
Calculate customer churn rate by dividing customers lost by total customers. Monitor retention health for your subscription business. Everything runs locally in your browser — nothing is uploaded.
Calculate total price including sales tax. Enter the pre-tax amount and tax rate to see the exact tax amount and final total. Everything runs locally in your browser — nothing is uploaded.
Find the ISO week number for any date. Also shows the day of the week and the current week of the year. Everything runs locally in your browser — nothing is uploaded.
Conversion Rate Calculator lets you conversion Rate Calculator divides conversions by total visitors and displays the rate as a percentage with configurable decimal precision. Everything runs locally in your browser — nothing is uploaded.. It works on any device with a modern web browser.
Conversion Rate Calculator divides conversions by total visitors and displays the rate as a percentage with configurable decimal precision. Everything runs locally in your browser — nothing is uploaded. It runs entirely in your browser — no software installation or data uploads required.
Paste or type your content directly into the provided text area.
Yes. After the initial page load, Conversion Rate Calculator runs entirely on your device with no internet connection needed. All processing is done locally.
Yes, this tool is completely free with no usage limits, registration, or credit card required.
All processing happens locally in your browser. Your data is never uploaded to any server.
Yes. After the initial page load, the tool runs entirely offline without requiring an internet connection.
No. You can use this tool unlimited times with no quotas or restrictions.
Any modern web browser (Chrome, Firefox, Safari, Edge) on desktop or mobile. No installation needed.
CPM Calculator
Computes cost per mille (CPM) — the cost advertisers pay per 1,000 ad impressions. Includes platform presets for YouTube, Twitch, Facebook, Instagram, TikTok, Twitter, and LinkedIn with average rates, plus RPM (revenue per mille) calculation for creators.
ROAS Calculator
ROAS Calculator divides ad revenue by ad spend to return a return-on-ad-spend ratio. Performance marketers and ecommerce managers use it to evaluate. Everything runs locally in your browser — nothing is uploaded.
A/B Test Calculator
Calculate A/B test significance between two variants. Compare conversion rates with visitor and conversion data for each variant. Everything runs locally in your browser — nothing is uploaded.