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Voltage CalculatorCalculate voltage from current and resistance.Score 72voltageohmscurrentCurrent CalculatorCalculate current from voltage and resistance.Score 72currentohmsvoltageResistance CalculatorCalculate resistance from voltage and current.Score 72resistanceohmsvoltageElectricity CO2 CalculatorEstimate electricity-related emissions from kWh and grid factor.Score 60electricityemissionsOhm's Law CalculatorCalculate voltage, current, resistance, and power from Ohm's law relationships.Score 58ohmsvoltagecurrentVoltage Drop CalculatorEstimate voltage drop over cable length from current and conductor resistance.Score 48voltagecurrentresistanceSeries Resistance CalculatorCalculate total resistance for resistors in series.Score 38resistanceParallel Resistance CalculatorCalculate total resistance for three resistors in parallel.Score 38resistanceHome Energy CO2 CalculatorEstimate home energy emissions from electricity and gas usage.Score 36electricityemissionsElectricity Cost CalculatorEstimate electricity cost from wattage, usage time, and price per kWh.Score 30electricityCurrent Ratio CalculatorCalculate current ratio from current assets and current liabilities.Score 30currentElectricity Bill CalculatorEstimate electricity bill with usage tiers, fixed fees, and tax.Score 30electricityElectrical Power CalculatorCalculate electrical power from voltage and current.Score 28voltagecurrentTransformer CalculatorCalculate transformer secondary voltage, current, and turns ratio.Score 28voltagecurrentElectrical Load CalculatorCalculate electrical load from voltage, current, power factor, and quantity.Score 28voltagecurrentCO2 Travel Emission CalculatorEstimate travel emissions from distance, fuel or electricity use, and emission factor.Score 26emissionselectricityCarbon Footprint CalculatorEstimate monthly carbon footprint from transport, electricity, gas, flights, and waste.Score 26emissionselectricityFuel Cost CalculatorEstimate advanced trip fuel cost with distance modes, efficiency units, fuel price units, emissions, commute projections, and vehicle comparisons.Score 24emissionsCable Size CalculatorEstimate required cable area from current, allowable density, and safety factor.Score 22currentCar CO2 CalculatorEstimate vehicle CO2 emissions from distance and emissions factor.Score 22emissions