Pool frost protection runtime log calculator

Calculate recorded energy and recorded electricity cost with your own figures.

Your numbers

Use the units shown. Results update as you change valid inputs.

Choose the currency for these amounts. Changing it keeps your numbers and does not convert exchange rates.

Use recorded energy and recorded electricity cost to compare changes to your inputs. The method and limits below explain the scope.

Examples

Examples

Try the starting example

Recorded control ON cycles (minutes)
10,15,20,10
Measured running power (kW)
1
Electricity tariff (USD/kWh)
0.25
Recorded energy (kWh)
0.916667
Recorded electricity cost (USD)
$0.23

Try another scenario

Recorded control ON cycles (minutes)
11.0,15.0,20.0,10.0
Measured running power (kW)
1
Electricity tariff (USD/kWh)
0.25
Recorded energy (kWh)
0.933333
Recorded electricity cost (USD)
$0.23
Calculation method

Calculation method

Recorded energy (kWh)

Energy=sum onMinutes×power/60.

Recorded electricity cost (USD)

Energy=sum onMinutes×power/60.

Symbols and units
a
Recorded control ON cycles (minutes)
b
Measured running power (kW)
c
Electricity tariff (USD/kWh)

Use the units shown. A list keeps the order in which you enter its values. The symbol ^ means “raised to the power of”.

Assumptions & limits

Assumptions & limits

  • Recorded usage only; does not specify protection temperatures or verify freeze prevention. Supported limits: All required fields must be finite values of the exact declared type and within displayed bounds. Lists contain1–1000 finite numbers. JSON tables are numeric rectangular rows, at most100 rows and30 columns; individual tools have stricter shape/domain constraints. Recorded usage only; does not specify protection temperatures or verify freeze prevention.
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