Month: January 2026

Customer Retention Rate Calculator Number of Customers at Beginning of Period: Number of Customers at End of Period: Number of New Customers Acquired During Period: Calculate Retention Rate function calculateRetentionRate() { var customersAtStart = parseFloat(document.getElementById(“customersAtStart”).value); var customersAtEnd = parseFloat(document.getElementById(“customersAtEnd”).value); var newCustomers = parseFloat(document.getElementById(“newCustomers”).value); var resultElement = document.getElementById(“result”); if (isNaN(customersAtStart) || isNaN(customersAtEnd) || isNaN(newCustomers) || customersAtStart … Read more

Target Heart Rate Calculator Age (years): Maximum Heart Rate (bpm): Calculate Target Heart Rate Understanding Target Heart Rate Calculating your target heart rate is a fundamental aspect of safe and effective exercise. Your target heart rate zone is a range that represents a moderate to vigorous level of intensity for physical activity. Exercising within this … Read more

Maximum Heart Rate Calculator Age (years): Calculate Maximum Heart Rate Your Maximum Heart Rate: function calculateMaxHeartRate() { var ageInput = document.getElementById(“age”); var resultDiv = document.getElementById(“result”); var age = parseFloat(ageInput.value); if (isNaN(age) || age <= 0) { resultDiv.innerHTML = "Please enter a valid age."; return; } // The most common formula for estimating maximum heart rate … Read more

Understanding and Calculating the Labor Force Participation Rate The Labor Force Participation Rate (LFPR) is a crucial economic indicator that measures the proportion of a country’s working-age population that is either employed or actively seeking employment. It provides insights into the health of the labor market, the availability of human capital, and the overall economic … Read more

Mortgage Affordability Calculator Annual Household Income: Total Monthly Debt Payments (excluding mortgage): Down Payment Amount: Estimated Mortgage Interest Rate (%): Mortgage Loan Term (years): Estimated Annual Property Taxes: Estimated Annual Homeowner’s Insurance: Estimated Annual Private Mortgage Insurance (PMI) if applicable: Calculate Affordability Understanding Mortgage Affordability Determining how much house you can afford is a crucial … Read more

CPI Inflation Calculator body { font-family: sans-serif; } label { display: inline-block; width: 200px; margin-bottom: 10px; } input[type=number] { width: 100px; padding: 5px; } button { padding: 10px 15px; margin-top: 15px; cursor: pointer; } #result { margin-top: 20px; font-weight: bold; color: green; } Calculate Inflation Rate from CPI This calculator helps you determine the annual … Read more

Understanding and Calculating Your Heart Rate Zones Heart rate zones are ranges of your heart rate, expressed as a percentage of your maximum heart rate, that correspond to different levels of exercise intensity. Understanding these zones can help you tailor your training to achieve specific fitness goals, whether it’s improving cardiovascular health, increasing endurance, or … Read more

RR Interval (seconds): ECG Paper Speed (mm/sec): Large Boxes per RR Interval: Small Boxes per RR Interval: Calculate Heart Rate .ecg-heart-rate-calculator { font-family: sans-serif; border: 1px solid #ccc; padding: 20px; border-radius: 8px; max-width: 500px; margin: 20px auto; background-color: #f9f9f9; } .calculator-inputs { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin-bottom: 20px; } .input-group { display: … Read more

Car Loan Affordability Calculator Use this calculator to estimate how much car you can realistically afford based on your desired monthly payment. Desired Monthly Payment ($): Loan Term (Years): Annual Interest Rate (%): Calculate Affordability .calculator-wrapper { font-family: sans-serif; max-width: 600px; margin: 20px auto; padding: 20px; border: 1px solid #ccc; border-radius: 8px; background-color: #f9f9f9; } … Read more

ECG Heart Rate Calculator R-R Interval (seconds): ECG Paper Speed (mm/s): Small Box Width (mm): Calculate Heart Rate Understanding How to Calculate Heart Rate from an ECG An electrocardiogram (ECG or EKG) is a vital diagnostic tool that records the electrical activity of the heart over time. One of the most common pieces of information … Read more