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Hot Tub Cost Calculator

Everyday life
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Calculates the estimated monthly electricity cost for running a hot tub, based on its wattage, usage, and electricity rate.

How To Use

How to use this calculator

Start with your values, or try a preset.

Step 1

Enter Hot Tub Wattage (Watts), Hours of Use Per Day, and Electricity Rate (USD per kWh) in the units shown.

Step 2

Read Daily Energy Consumption (kWh), Monthly Energy Consumption (kWh), and Estimated Monthly Cost in the results panel. Results update as you change the inputs.

Step 3

Choose a preset to load an example, then adjust the values for your situation.

Worked Examples

Example calculations

See the inputs and their calculated results.

Small Hot Tub, Moderate Use

Hot Tub Wattage (Watts): 1,200 W; Hours of Use Per Day: 4 hours; Electricity Rate (USD per kWh): 0.15 USD/kWh

Daily Energy Consumption (kWh): 4.8 kWh; Monthly Energy Consumption (kWh): 144 kWh; Estimated Monthly Cost: 21.6 USD

Large Hot Tub, Frequent Use

Hot Tub Wattage (Watts): 3,000 W; Hours of Use Per Day: 8 hours; Electricity Rate (USD per kWh): 0.18 USD/kWh

Daily Energy Consumption (kWh): 24 kWh; Monthly Energy Consumption (kWh): 720 kWh; Estimated Monthly Cost: 129.6 USD

Energy Efficient Tub, Less Use

Hot Tub Wattage (Watts): 1,000 W; Hours of Use Per Day: 3 hours; Electricity Rate (USD per kWh): 0.12 USD/kWh

Daily Energy Consumption (kWh): 3 kWh; Monthly Energy Consumption (kWh): 90 kWh; Estimated Monthly Cost: 10.8 USD

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