Calculator category
Energy & Utilities Calculators
Use 144 focused destinations for electricity, tariffs, heating and cooling, hot water, solar, batteries, building energy, water utilities, emissions and distributed energy. The collection provides 134 native Energy & Utilities workflows and links to 10 established canonical tools in Everyday Life, Real Estate & Housing and Trades; every native workflow has three complete clickable examples, visible assumptions and a tailored relationship diagram.
9 energy and utility collections144 available calculators
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Energy & Utilities topics
Select a topic to reveal its calculators. Multiple topics can remain open at the same time.Electricity Bills & UsageRead meters, calculate electricity use and time-of-use charges, and expose standby consumption.19 available
- Electricity Bill EstimatorReconstruct a bill with energy rates, standing charges, fees, tax and credits.Open calculator
- Appliance Running CostModel active and standby energy for several appliances.Open calculator
- Utility Tariff ComparisonCompare two entered utility tariff structures.Open calculator
- Electricity UsageCalculate electricity usage from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Electricity Meter ReadingCalculate electricity meter reading from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Time-of-Use Electricity CostCalculate time-of-use electricity cost from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Standby Power CostCalculate standby power cost from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Appliance Annual Energy CostCalculate appliance annual energy cost from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Multiple Use Appliance CostCalculate multiple use appliance cost from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Electric Vehicle Home Charging CostCalculate electric vehicle home charging cost from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Pool Pump Electricity CostCalculate pool pump electricity cost from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Daily Base LoadCalculate daily base load from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Peak to Average Electricity DemandCalculate peak to average electricity demand from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Electricity Load Profile SummaryCalculate electricity load profile summary from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Average Electrical DemandCalculate average electrical demand from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Single Rate Electricity BillCalculate single rate electricity bill from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Electricity Fixed and Variable ChargeCalculate electricity fixed and variable charge from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Electricity Rate Increase ImpactCalculate electricity rate increase impact from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Electricity Bill Tax and SurchargeCalculate electricity bill tax and surcharge from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
Tariffs, Meters & DemandModel entered tiered rates, prorated billing, demand factors, coincident peaks and connected-load utilization.12 available
- Tiered Electricity TariffCalculate tiered electricity tariff from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Block Rate Electricity CostCalculate block rate electricity cost from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Seasonal Tariff Usage SplitCalculate seasonal tariff usage split from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Higher Tier UsageCalculate higher tier usage from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Billing Period ProrationCalculate billing period proration from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Fixed Utility Charge ProrationCalculate fixed utility charge proration from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Tenant Utility Billing ProrationCalculate tenant utility billing proration from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Utility Account Closing BillCalculate utility account closing bill from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Electrical Demand FactorCalculate electrical demand factor from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Coincident Peak DemandCalculate coincident peak demand from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Diversified Electrical LoadCalculate diversified electrical load from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Connected Load UtilizationCalculate connected load utilization from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
Heating, Cooling & Hot WaterCompare useful heat, purchased energy, seasonal efficiency, cooling, boilers and hot-water scenarios.28 available
- Household Gas & Heating BillEstimate an entered gas or heating bill with fixed and variable charges.Open calculator
- Heating Running CostCalculate heating running cost from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Heating Cost by FuelCalculate heating cost by fuel from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Heat Pump Running CostCalculate heat pump running cost from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Heat Pump vs Furnace CostCalculate heat pump vs furnace cost from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Air Conditioner Energy CostCalculate air conditioner energy cost from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Boiler Running CostCalculate boiler running cost from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Electric Heater Running CostCalculate electric heater running cost from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Water Heater Running CostCalculate water heater running cost from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Tank vs Tankless Water HeaterCalculate tank vs tankless water heater from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Hot-Water EnergyCalculate hot-water energy from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Cooling Upgrade SavingsCalculate cooling upgrade savings from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Heating Fuel ConsumptionCalculate heating fuel consumption from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Boiler Fuel RequirementCalculate boiler fuel requirement from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Heating Fuel Break Even PriceCalculate heating fuel break even price from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- District Heating Purchased EnergyCalculate district heating purchased energy from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Heating Degree Day EnergyCalculate heating degree day energy from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Cooling Degree Day EnergyCalculate cooling degree day energy from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Weather Normalized Heating ConsumptionCalculate weather normalized heating consumption from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Weather Normalized Cooling ConsumptionCalculate weather normalized cooling consumption from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Household Daily Hot Water EnergyCalculate household daily hot water energy from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Water Heating Seasonal EnergyCalculate water heating seasonal energy from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Hot Water Temperature Reduction SavingsCalculate hot water temperature reduction savings from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Laundry Hot Water EnergyCalculate laundry hot water energy from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- SEER Cooling Cost ComparisonCalculate seer cooling cost comparison from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Heat Pump Seasonal Cost ComparisonCalculate heat pump seasonal cost comparison from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Dehumidifier vs Air Conditioner CostCalculate dehumidifier vs air conditioner cost from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Ventilation Upgrade Energy ComparisonCalculate ventilation upgrade energy comparison from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
Solar EnergySize arrays and evaluate production, panels, self-consumption, export value, savings and payback.23 available
- Solar Panel OutputCalculate solar panel output from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Solar System SizeCalculate solar system size from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Solar Panel NumberCalculate solar panel number from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Solar Energy ProductionCalculate solar energy production from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Solar Self-ConsumptionCalculate solar self-consumption from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Solar SavingsCalculate solar savings from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Solar PaybackCalculate solar payback from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Solar Export ValueCalculate solar export value from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Solar Battery PairingCalculate solar battery pairing from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Solar Shading and System LossCalculate solar shading and system loss from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Solar Wiring and Mismatch LossCalculate solar wiring and mismatch loss from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Solar Inverter LossCalculate solar inverter loss from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Solar Net Production after LossesCalculate solar net production after losses from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Solar Performance RatioCalculate solar performance ratio from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Solar Capacity FactorCalculate solar capacity factor from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Solar Reference Production GapCalculate solar reference production gap from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Solar Actual vs Expected OutputCalculate solar actual vs expected output from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Solar Panel Roof AreaCalculate solar panel roof area from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Solar Array DC Capacity from Panel CountCalculate solar array dc capacity from panel count from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Solar Roof Fit Panel CountCalculate solar roof fit panel count from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Solar Annual DegradationCalculate solar annual degradation from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Solar Lifetime Production RetentionCalculate solar lifetime production retention from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Solar Future Year OutputCalculate solar future year output from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
Batteries & Backup PowerPlan usable capacity, backup runtime, charging, solar storage and generator runtime.20 available
- Home Battery SizeCalculate home battery size from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Battery Backup RuntimeCalculate battery backup runtime from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Battery Charge TimeCalculate battery charge time from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Solar Battery StorageCalculate solar battery storage from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Battery Usable CapacityCalculate battery usable capacity from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Generator RuntimeCalculate generator runtime from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Battery State of Charge EnergyCalculate battery state of charge energy from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Battery Reserve EnergyCalculate battery reserve energy from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Battery Deliverable EnergyCalculate battery deliverable energy from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Battery Depth of DischargeCalculate battery depth of discharge from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Battery C RateCalculate battery c rate from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Battery Power to Capacity RatioCalculate battery power to capacity ratio from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Battery Ideal Discharge DurationCalculate battery ideal discharge duration from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Battery Lifetime Energy ThroughputCalculate battery lifetime energy throughput from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Battery Cost per Lifetime kWhCalculate battery cost per lifetime kwh from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Battery Cycle RetentionCalculate battery cycle retention from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Battery Time of Use ArbitrageCalculate battery time of use arbitrage from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Battery Round Trip Loss CostCalculate battery round trip loss cost from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Generator Fuel Cost per kWhCalculate generator fuel cost per kwh from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Generator Operating CostCalculate generator operating cost from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
Efficiency & Building EnergyEvaluate retrofit savings, energy use intensity, demand charges, load factor and peak reduction.21 available
- Appliance Efficiency UpgradeCompare existing and replacement appliance energy, water and ownership cost.Open calculator
- Home Energy Upgrade PaybackEvaluate an entered whole-home upgrade cost and annual savings.Open calculator
- LED Lighting SavingsCalculate led lighting savings from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Insulation SavingsCalculate insulation savings from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Window Replacement Energy SavingsCalculate window replacement energy savings from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Building Energy Use IntensityCalculate building energy use intensity from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Commercial Demand ChargeCalculate commercial demand charge from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Electrical Load FactorCalculate electrical load factor from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Peak Demand ReductionCalculate peak demand reduction from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Site Energy IntensityCalculate site energy intensity from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Energy Cost IntensityCalculate energy cost intensity from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Energy per OccupantCalculate energy per occupant from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Energy per Operating HourCalculate energy per operating hour from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Building Baseline Energy ComparisonCalculate building baseline energy comparison from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Building Energy Reduction TargetCalculate building energy reduction target from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Monthly Energy Performance TrackerCalculate monthly energy performance tracker from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Portfolio Energy ReductionCalculate portfolio energy reduction from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Energy Upgrade Net Present ValueCalculate energy upgrade net present value from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Discounted Energy PaybackCalculate discounted energy payback from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Energy Savings Investment RatioCalculate energy savings investment ratio from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Bundled Retrofit EconomicsCalculate bundled retrofit economics from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
Water & Utility PlanningModel household water, tiered bills, leaks, showers and cross-utility consumption comparisons.13 available
- Water & Sewer BillModel a two-tier water charge, sewer charge and fixed fees.Open calculator
- Household Water Use & CostTurn household activities into period water volume and entered utility cost.Open calculator
- Water Leak CostCalculate water leak cost from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Shower Water and Energy UseCalculate shower water and energy use from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Energy Consumption ComparisonCalculate energy consumption comparison from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Fixture Replacement Water SavingsCalculate fixture replacement water savings from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Low Flow Faucet SavingsCalculate low flow faucet savings from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Toilet Replacement Water SavingsCalculate toilet replacement water savings from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Showerhead Replacement Water SavingsCalculate showerhead replacement water savings from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Landscape Irrigation WaterCalculate landscape irrigation water from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Irrigation RuntimeCalculate irrigation runtime from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Irrigation Application EfficiencyCalculate irrigation application efficiency from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Landscape Water BudgetCalculate landscape water budget from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
Emissions & CarbonApply explicit visitor-entered emissions factors to electricity, heating, mixed energy and upgrade scenarios.4 available
- Electricity EmissionsCalculate electricity emissions from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Heating Fuel EmissionsCalculate heating fuel emissions from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Mixed Energy EmissionsCalculate mixed energy emissions from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Energy Upgrade Avoided EmissionsCalculate energy upgrade avoided emissions from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
Distributed Energy & MicrogridsBalance critical load, onsite generation, deliverable storage and generator contributions without hidden dispatch optimization.4 available
- Solar Battery Energy BalanceCalculate solar battery energy balance from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Microgrid Critical LoadCalculate microgrid critical load from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Islanded Energy AutonomyCalculate islanded energy autonomy from explicit utility, equipment, usage, rate or capacity inputs.Open calculator
- Onsite Renewable Load ShareCalculate onsite renewable load share from explicit utility, equipment, usage, rate or capacity inputs.Open calculator