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Electrical Power CalculatorCalculate electrical power from voltage and current.Score 38electricElectricity CO2 CalculatorEstimate electricity-related emissions from kWh and grid factor.Score 38electricPower-to-Weight Ratio CalculatorCalculate vehicle or system power-to-weight ratio, required power for a target ratio, and maximum weight for the available output.Score 34vehicleelectricElectricity Cost CalculatorEstimate electricity cost from wattage, usage time, and price per kWh.Score 30electricElectrical Load CalculatorCalculate electrical load from voltage, current, power factor, and quantity.Score 30electricElectricity Bill CalculatorEstimate electricity bill with usage tiers, fixed fees, and tax.Score 30electricEV Charging Cost CalculatorEstimate EV charging cost, grid energy, range added, charge time, target electricity rate, and home versus public charging scenarios.Score 28electricvehicleOhm's Law CalculatorCalculate voltage, current, resistance, and power from Ohm's law relationships.Score 24electricVoltage Drop CalculatorEstimate voltage drop over cable length from current and conductor resistance.Score 22electricCar CO2 CalculatorEstimate vehicle CO2 emissions from distance and emissions factor.Score 22vehicleFuel Cost CalculatorEstimate advanced trip fuel cost with distance modes, efficiency units, fuel price units, emissions, commute projections, and vehicle comparisons.Score 18electricvehicleCar Loan CalculatorCompare Hire Purchase and Personal Contract Purchase monthly payments, balloon payments, total payable, interest, and finance charges.Score 16vehicleAutomotive Car Loan CalculatorCompare Hire Purchase and Personal Contract Purchase monthly payments, balloon payments, total payable, interest, and finance charges.Score 16vehicleCar Depreciation CalculatorEstimate car value after depreciation by age and annual rate.Score 14vehicle0-60 Time CalculatorEstimate 0-60 mph time from weight, horsepower, traction, and launch factor.Score 14vehicleAppliance Energy CalculatorCalculate appliance energy use and cost from wattage, hours, days, and rate.Score 14electricHome Energy CO2 CalculatorEstimate home energy emissions from electricity and gas usage.Score 14electricSpeed ConverterConvert miles per hour to kilometers per hour and meters per second.Score 12vehicleFuel Economy CalculatorCalculate fuel economy from distance driven and fuel used.Score 12vehicleVoltage CalculatorCalculate voltage from current and resistance.Score 12electric