Bath vs Shower Calculator

Compare water and energy use between baths and showers. Save water and money.

Shower Settings

Shower Time

Flow Rate

Standard: 9L/min, Low-flow: 6L/min

Bath Settings

Bath Volume

Resource Analysis

Efficient Choice

Shower

10% more efficient

Shower

72 L

Bath

80 L

Monthly Savings Potential

240 L

Environmental Impact: Saving 2,400 liters a month is equivalent to about 32 full bathtubs!

About this calculator

Overview

Showers typically use 2–2.5 GPM. A bath uses 30–50 gallons. Shorter showers usually save water.

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Pro Tips