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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 68electricityco2Ohm'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 48voltagecurrentresistanceHome Energy CO2 CalculatorEstimate home energy emissions from electricity and gas usage.Score 44co2electricitySeries Resistance CalculatorCalculate total resistance for resistors in series.Score 38resistanceParallel Resistance CalculatorCalculate total resistance for three resistors in parallel.Score 38resistanceCO2 Travel Emission CalculatorEstimate travel emissions from distance, fuel or electricity use, and emission factor.Score 34co2electricityElectricity 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 30electricityCar CO2 CalculatorEstimate vehicle CO2 emissions from distance and emissions factor.Score 30co2Flight CO2 CalculatorEstimate flight emissions from distance, passenger factor, and radiative forcing multiplier.Score 30co2Solar CO2 Saving CalculatorEstimate CO2 savings from solar generation and grid emission factor.Score 30co2Electrical 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 28voltagecurrentFuel Cost CalculatorEstimate advanced trip fuel cost with distance modes, efficiency units, fuel price units, emissions, commute projections, and vehicle comparisons.Score 24co2