Business and Marketing

Business and Marketing calculators help you measure performance and price decisions — engagement and ad metrics, margins and markups, cost of capital, and pay conversions. Popular tools include the Social Media Engagement Rate Calculator, CPM Calculator, Sales Margin & Markup Calculator, WACC Calculator, and TF-IDF Calculator.

Enter your figures for an instant metric, or open the Trending tab to see what teams are measuring this week. Every calculator is free and works on any device.

  • Vacancy Rate Calculator
    Calculate the vacancy rate of a rental property or portfolio from vacant and total units. Get occupancy rate and occupied unit counts instantly.
  • Airbnb Occupancy Rate Calculator
    Calculate your Airbnb occupancy rate from booked and available nights. Get the percentage and estimated revenue instantly with this free tool.
  • Apartment Occupancy Rate Calculator
    Calculate apartment occupancy rate and vacancy rate instantly. Enter occupied and total units to get the percentage of units leased for your property.
  • Break-Even Point Calculator
    Find the break-even point in units and revenue from fixed cost, selling price, and variable cost per unit. Free linear cost-revenue-profit calculator.
  • A/B Test Significance Calculator
    Check if your A/B test result is statistically significant. Enter visitors and conversions for each variant to get Z-score, p-value, uplift, and a verdict.
  • Occupancy Rate Calculator
    Calculate occupancy rate as a percentage for hotels, rentals, parking, and venues. Enter occupied and total units to get occupancy and vacancy %.
  • Percent of Goal Achieved Calculator
    Calculate the percent of goal achieved (quota attainment) by dividing actual by target. See attainment %, amount remaining, and % left to goal.
  • Engagement Rate Calculator
    Calculate your social media engagement rate (ER %) from total engagements divided by followers or reach. Free, instant, and works for any platform.
  • CPM Calculator
    Free CPM calculator: find your cost per 1,000 impressions from total ad spend and impressions. Compare campaigns and budget your media buys fast.
  • Reverse Sales Tax Calculator
    Work backward from a total price to find the pre-tax amount and sales tax. Enter the tax-inclusive total and tax rate to split out the base price.
  • Click-Through Rate (CTR) Calculator
    Calculate click-through rate (CTR) instantly. Enter clicks and impressions to get your CTR percentage for ads, email, SEO, and PPC campaigns.
  • Video Watch Time to Revenue Calculator
    Convert average view duration and total views into YouTube watch hours. See progress toward the 4,000-hour monetization threshold.
  • Social Media Engagement Rate Calculator
    Calculate your social media engagement rate from likes, comments, shares and followers. Free engagement rate formula tool for Instagram, TikTok, X and more.
  • Net Debt to EBITDA Ratio Calculator
    Calculate the Net Debt to EBITDA leverage ratio from total debt, cash, and EBITDA. Free tool to assess a company's debt repayment capacity.
  • Rental Yield Calculator
    Calculate gross and net rental yield % from property price, monthly rent and annual expenses. Free buy-to-let investment yield calculator.
  • Customer Lifetime Value (LTV) Calculator
    Calculate Customer Lifetime Value (LTV) from average purchase value, purchase frequency, customer lifespan and gross margin. Free, instant CLV tool.
  • Cost Per Acquisition (CPA) Calculator
    Calculate your Cost Per Acquisition (CPA) instantly. Divide total ad spend by conversions to find the marketing cost of each new customer.
  • Break-Even Point Calculator
    Calculate your break-even point in units. Enter fixed costs, price per unit, and variable cost to find how many units you must sell to cover costs.
  • Net Profit Margin Calculator
    Calculate net profit margin instantly. Enter revenue and net profit to find the percentage of sales retained as profit. Free and accurate.
  • Email Bounce Rate Calculator
    Calculate your email bounce rate as a percentage. Enter bounced emails and emails sent to instantly see bounce rate, delivery rate, and delivered count.
  • Cost Per Conversion Calculator
    Calculate your cost per conversion (CPA) instantly. Divide total ad spend by total conversions to measure ad campaign efficiency and ROI.
  • Engagement Rate by Reach Calculator
    Calculate your engagement rate by reach (ERR) as a percentage. Enter total engagements and reach to see how effectively your content connects.
  • Retention Rate Percentage Calculator
    Calculate customer retention rate as a percentage from start, end, and new customers. Free online retention rate and churn calculator with formula.
  • Churn Rate Percentage Calculator
    Calculate your customer churn rate as a percentage from customers lost and customers at the start of the period. Free, instant, with retention rate too.

Frequently asked questions

What business and marketing metrics can I calculate?

Advertising and social metrics (CPM, engagement rate), pricing and profitability (cost, revenue, margin, markup, break-even), finance metrics (WACC), and content or SEO metrics such as TF-IDF.

Are these calculators free?

Yes — free, no sign-up, and they work on any device.

How accurate are the results?

They use standard, widely-accepted formulas. Because definitions can vary between teams and platforms, confirm that each input matches how your organization defines the metric.

Can I use these for client or investor reporting?

They're a fast way to check and sanity-test numbers. For formal reporting, reconcile the inputs with your accounting or analytics source of truth.

Which tools are most popular?

The list is ordered by usage; the Trending, Recently added, and Last updated tabs show what's new and rising.

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