Uncertainty Propagation Calculator (Product/Quotient) Use this calculator to determine the uncertainty of a calculated value that is a product or quotient of two measured quantities, each with its own absolute uncertainty. This method is commonly used in physics and engineering…

Fabric Yardage Calculator Finished Project Length (inches): Finished Project Width (inches): Number of Identical Pieces: Fabric Width (inches): Seam Allowance (inches, per edge): Pattern Repeat (inches, 0 if none): Extra Fabric for Waste/Contingency (%): Calculate Fabric Understanding Fabric Yardage for…

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:…

Net Income Calculator Gross Revenue ($): Cost of Goods Sold (COGS) ($): Operating Expenses ($): Interest Expense ($): Income Tax Rate (%): Calculate Net Income function calculateNetIncome() { var grossRevenue = parseFloat(document.getElementById(‘grossRevenue’).value); var cogs = parseFloat(document.getElementById(‘cogs’).value); var operatingExpenses = parseFloat(document.getElementById(‘operatingExpenses’).value);…

Reorder Point Calculator Average Daily Usage (Units/Day): Lead Time (Days): Safety Stock (Units): Calculate Reorder Point Calculated Reorder Point: Enter values and click ‘Calculate’. function calculateReorderPoint() { var averageDailyUsage = parseFloat(document.getElementById(‘averageDailyUsage’).value); var leadTimeDays = parseFloat(document.getElementById(‘leadTimeDays’).value); var safetyStockUnits = parseFloat(document.getElementById(‘safetyStockUnits’).value); if…

Investment Yield Calculator Initial Investment Amount ($): Annual Income Generated ($): Current Market Value ($): Holding Period (Years): Calculate Yield function calculateInvestmentYield() { var initialInvestment = parseFloat(document.getElementById(‘initialInvestment’).value); var annualIncome = parseFloat(document.getElementById(‘annualIncome’).value); var currentValue = parseFloat(document.getElementById(‘currentValue’).value); var holdingPeriod = parseFloat(document.getElementById(‘holdingPeriod’).value); var…

Transformer KVA Calculator System Voltage (Volts): Total Load Current (Amps): Number of Phases: Single-Phase Three-Phase Safety Factor (%): Calculate Required KVA function calculateTransformerKVA() { var systemVoltage = parseFloat(document.getElementById(‘systemVoltage’).value); var totalLoadCurrent = parseFloat(document.getElementById(‘totalLoadCurrent’).value); var numberOfPhases = document.getElementById(‘numberOfPhases’).value; var safetyFactor = parseFloat(document.getElementById(‘safetyFactor’).value);…

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:…

Standard Deviation of the Mean Calculator Enter the sample standard deviation and sample size to calculate the Standard Deviation of the Mean (SEM). Sample Standard Deviation (s): Sample Size (n): Calculate SEM Understanding the Standard Deviation of the Mean (SEM)…

Drug Dosage Calculator Accurate drug dosage is critical for patient safety and treatment efficacy. Use this calculator to determine the correct volume of liquid medication to administer based on patient weight, desired dose per kilogram, and the drug’s concentration. Patient…