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Parallel Resistance CalculatorCalculate total resistance for three resistors in parallel.Score 68parallelresistanceSeries Resistance CalculatorCalculate total resistance for resistors in series.Score 38resistanceResistance CalculatorCalculate resistance from voltage and current.Score 30resistanceOhm's Law CalculatorCalculate voltage, current, resistance, and power from Ohm's law relationships.Score 16resistanceVoltage CalculatorCalculate voltage from current and resistance.Score 14resistanceCurrent CalculatorCalculate current from voltage and resistance.Score 14resistanceVoltage Drop CalculatorEstimate voltage drop over cable length from current and conductor resistance.Score 4resistanceMortgage 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 2Fuel Cost CalculatorEstimate advanced trip fuel cost with distance modes, efficiency units, fuel price units, emissions, commute projections, and vehicle comparisons.Score 2Scientific CalculatorUse a keyboard-friendly scientific calculator with trig, logs, powers, constants, and memory.Score 2Percentage CalculatorCalculate percentages, percent change, discounts, increases, and reverse percentages.Score 2Loan CalculatorEstimate loan payments, total interest, payoff totals, and amortized monthly costs.Score 2Force CalculatorCalculate force, mass, or acceleration using Newton's second law.Score 2Age CalculatorCalculate exact age in years, months, days, total days, and next birthday countdown.Score 2Annual Salary to Hourly CalculatorConvert annual salary into hourly, weekly, biweekly, monthly, and daily pay estimates.Score 2Overtime Pay CalculatorCalculate regular pay, overtime pay, gross pay, and overtime share for a pay period.Score 2Payroll Cost CalculatorEstimate fully loaded payroll cost including gross pay, employer taxes, benefits, and insurance.Score 2PTO Accrual CalculatorCalculate accrued PTO hours, remaining PTO, and estimated payout value.Score 2