Light Illuminance Calculator Luminous Intensity (Candela, cd): Distance from Source (Meters, m): Angle of Incidence (Degrees, °): 0° for perpendicular light, up to 89° for grazing light. Calculate Illuminance Understanding Light Illuminance Understanding how much light reaches a surface is…

Life Insurance Payout Calculator Use this calculator to estimate the recommended life insurance coverage amount needed to protect your loved ones financially. Your Current Annual Income ($): Years of Income Replacement Needed: Outstanding Mortgage Balance ($): Other Debts (Car Loans,…

J&J Toric IOL Calculator (Simplified) This simplified calculator assists in estimating the required intraocular lens (IOL) power and astigmatism correction for patients undergoing cataract surgery with a Johnson & Johnson Vision (J&J) toric IOL. It demonstrates the principles of toric…

SaaS Customer Lifetime Value (LTV) Calculator Average Monthly Revenue Per User (ARPU): Monthly Customer Churn Rate (%): Gross Margin (%): Calculate LTV Understanding SaaS Customer Lifetime Value (LTV) Customer Lifetime Value (LTV) is a critical metric for any SaaS business.…

Crypto Leverage Calculator Initial Margin (USDT): Leverage (X): Entry Price (USDT): Exit Price (USDT) (for PnL): Maintenance Margin Rate (%): Position Type: Long Short Calculate Leverage Results: Total Position Value: 0 USDT Potential PnL: 0 USDT Estimated Liquidation Price: 0…

Ketogains Macro Calculator Use this calculator to determine your personalized macronutrient targets for a ketogenic diet, optimized for muscle gain, maintenance, or fat loss, following Ketogains principles. Body Weight (lbs): Body Fat Percentage (%): Activity Level: Sedentary (Little to no…

Long Term Disability Payout Calculator Gross Monthly Income Before Disability: LTD Benefit Percentage (%): Policy Maximum Monthly Benefit ($): Benefit Period Type: Fixed Number of Years To Age 65 Benefit Period (Years): Your Current Age: Calculate Payout function toggleBenefitPeriodInputs() {…

LED Series Resistor Calculator Source Voltage (Vs) in Volts: LED Forward Voltage (Vf) in Volts: Desired LED Forward Current (If) in Milliamperes (mA): Calculate Resistor Results: Required Resistor Value: Resistor Power Dissipation: function calculateLedResistance() { var sourceVoltage = parseFloat(document.getElementById(‘sourceVoltage’).value); var…

Land Worth Calculator (Development Potential Method) Land Area (Acres): Potential Developable Units or SqFt per Acre: (e.g., 5 residential units/acre, or 10,000 commercial sqft/acre) Estimated Market Value per Unit or SqFt ($): (e.g., $350,000 per residential unit, or $250 per…

Levothyroxine Starting Dose Calculator Body Weight: kg lbs Patient Age (Years, for context): History of Cardiac Disease: No Yes Calculate Starting Dose function calculateLevothyroxineDose() { var bodyWeightInput = document.getElementById(“bodyWeight”).value; var weightUnit = document.getElementById(“weightUnit”).value; var patientAge = document.getElementById(“patientAge”).value; var cardiacHistory =…