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Bottle portion converter

Turn a half-full bottle, repeated refills or a different unit into an amount you can log.

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START HERE

Make it yours.

Sample values are filled in. Change them, then generate your result.

HOW TO USE IT

Log the portion you actually used

Read the capacity from your bottle or measuring jug, choose its unit, then select the fraction you finished. The portion count repeats that same fraction; two half bottles make one full bottle. If the portions differ, calculate them separately.

This converter uses US fluid ounces, which differ from Imperial fluid ounces. One US fluid ounce is 29.5735295625 mL. A liter is 1,000 mL. Results are rounded for display, while calculations retain their precision.

A WORKED EXAMPLE

Two half-portions of a 750 mL bottle equal 750 mL in total, or about 25.36 US fl oz.


This is container arithmetic. It does not recommend how much water you should drink.