House Affordability Calculator Use this calculator to estimate if a desired home price is affordable based on your income, existing debts, and other housing-related expenses. It helps you understand your potential monthly housing costs and compares them against common affordability…

eGFR Calculator (CKD-EPI Creatinine 2009) Serum Creatinine (mg/dL): Age (years): Sex: Male Female Race: Non-Black Black Calculate eGFR function calculateEGFR() { var creatinine = parseFloat(document.getElementById(‘creatinine’).value); var age = parseInt(document.getElementById(‘age’).value); var sex = document.querySelector(‘input[name=”sex”]:checked’).value; var race = document.querySelector(‘input[name=”race”]:checked’).value; var resultDiv =…

Cost of Living Index Comparison Calculator Your Current Annual Salary ($): Current City’s Cost of Living Index (e.g., 100 for national average): Target City’s Cost of Living Index (e.g., 130 for expensive, 80 for cheaper): Calculate Equivalent Salary Calculation Results:…

Square Footage Calculator Use this calculator to determine the square footage of a single rectangular area. For irregular shapes, break them down into multiple rectangles and sum their individual square footages. Length (feet): Width (feet): Calculate Square Footage function calculateSquareFootage()…

Life Path Number Calculator Discover your core numerological blueprint by calculating your Life Path Number. This number, derived from your birth date, offers insights into your innate talents, challenges, and overall life purpose. Birth Month (1-12): Birth Day (1-31): Birth…

Return on Investment (ROI) Calculator Initial Investment ($): Net Profit/Gain ($): Calculate ROI function calculateROI() { var initialInvestment = parseFloat(document.getElementById(‘initialInvestment’).value); var netProfit = parseFloat(document.getElementById(‘netProfit’).value); var resultDiv = document.getElementById(‘roiResult’); if (isNaN(initialInvestment) || isNaN(netProfit) || initialInvestment < 0 || netProfit < 0)…

Quadratic Equation Solver Coefficient ‘a’ (for ax²): Coefficient ‘b’ (for bx): Coefficient ‘c’ (for c): Solve Equation function calculateQuadratic() { var a = parseFloat(document.getElementById(“coefficientA”).value); var b = parseFloat(document.getElementById(“coefficientB”).value); var c = parseFloat(document.getElementById(“coefficientC”).value); var resultDiv = document.getElementById(“result”); if (isNaN(a) || isNaN(b)…

Cost of Living Index Comparison Calculator Your Current Annual Salary ($): Current City’s Cost of Living Index (e.g., 100 for national average): Target City’s Cost of Living Index (e.g., 130 for expensive, 80 for cheaper): Calculate Equivalent Salary Calculation Results:…

Florida Paycheck Calculator Use this calculator to estimate your net take-home pay per pay period in Florida, considering federal taxes and common deductions. Florida does not have a state income tax, which simplifies calculations compared to many other states. Gross…

USPS Shipping Cost Estimator Use this calculator to estimate the cost of shipping a package via USPS. Please note that this is an estimate based on common factors and simplified rates, and actual costs may vary based on specific services,…