Electricity Cost Calculator
Estimate energy use and cost from power, daily runtime, days, and tariff.
Lowlive
SpecCalc Hub
Calculators
All calculators run in the browser, use transparent formulas, and avoid stored user profiles.
Appliance Energy Cost Calculator
Estimate appliance cost using quantity, rated power, duty cycle, runtime, and tariff.
Lowlive
Solar Panel Size Calculator
Estimate PV system size and panel count from daily energy and peak sun hours.
Mediumlive
Solar Payback Calculator
Estimate simple solar payback from system cost, incentives, generation, and rates.
Mediumlive
Battery Runtime Calculator
Estimate runtime from capacity, voltage, battery count, depth of discharge, efficiency, and load.
Mediumlive
Inverter Size Calculator
Estimate continuous and surge inverter size from load, surge, margin, and power factor.
Mediumlive
UPS Runtime Calculator
Estimate UPS runtime from battery configuration, load, efficiency, and usable capacity.
Mediumlive
EV Home Charging Cost Calculator
Estimate EV charging energy, cost, and time from battery size, SOC, efficiency, tariff, and charger power.
Lowlive
Voltage Drop Calculator
Estimate voltage drop using conductor material, area, length, current, voltage, system type, and power factor.
Medium/Highlive
Wire Size Estimate Calculator
Estimate conductor area from voltage drop only. This is not final cable selection.
Highlive