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Radioactive Decay CalculatorCalculate remaining quantity, initial quantity, half-life, or time for radioactive decay.Score 114radioactivedecayhalfHalf-Life CalculatorCalculate half-life, remaining quantity, or time required for radioactive decay.Score 102halflifedecayCustomer Lifetime Value CalculatorEstimate customer lifetime value from average order value, purchase frequency, gross margin, and churn.Score 30lifeOvertime Pay CalculatorCalculate regular pay, overtime pay, gross pay, and overtime share for a pay period.Score 16halfTip CalculatorCalculate tip amount and total bill.Score 14lifeBill Split CalculatorSplit a bill with tip across multiple people.Score 14lifeRecipe Scale CalculatorScale ingredient quantity for a different number of servings.Score 14lifeDiscount CalculatorCalculate sale price and savings from a discount percentage.Score 14lifeCarbon Footprint CalculatorEstimate monthly carbon footprint from transport, electricity, gas, flights, and waste.Score 12lifeEvent Cost CalculatorEstimate total cost, cost per unit, markup-ready price, and comparison scenarios for event cost.Score 4lifeGuest Cost CalculatorEstimate total cost, cost per unit, markup-ready price, and comparison scenarios for guest cost.Score 4lifeSolar ROI CalculatorCalculate solar ROI from installation cost, yearly savings, incentives, and maintenance.Score 4lifeSplit Bill CalculatorSplit a bill by people, tax, service charge, and custom adjustment.Score 4lifeBudget CalculatorCalculate monthly budget balance from income, fixed costs, variable costs, and savings.Score 4lifeWedding Budget CalculatorEstimate total cost, cost per unit, markup-ready price, and comparison scenarios for wedding budget.Score 4lifeRetirement Goal CalculatorEstimate retirement savings goal from annual spending, withdrawal rate, and current savings.Score 4lifeEmergency Fund CalculatorEstimate emergency fund target from monthly expenses and coverage months.Score 4lifeMortgage CalculatorEstimate monthly mortgage payments, total interest, principal, and payoff cost.Score 2BMI CalculatorCalculate body mass index using metric or imperial units and view the standard BMI category.Score 2Compound Interest CalculatorProject future investment value with compounding frequency and recurring contributions.Score 2