swap_horiz Need milliliters to fluid ounces instead?

20 Fluid Ounces to Milliliters

20 fluid ounces equals 591.47 milliliters using the fl oz to mL formula. Scroll down for the full calculation.

20 fl oz = 591.47 mL
fl oz × 29.57353 = mL
Try: 15 fl oz to mL 19 fl oz to mL 21 fl oz to mL 25 fl oz to mL
20 fl oz is also
20 fl oz = 0.5915 L 20 fl oz = 0.1563 gal 20 fl oz = 2.5 cup 20 fl oz = 1.25 pt 20 fl oz = 0.625 qt 20 fl oz = 40 tbsp 20 fl oz = 120 tsp
fl oz
591.47 mL

Step-by-Step Calculation

fl oz × 29.57353 = mL
  1. Start with 20 fl oz
  2. Multiply by 29.57353: 20 × 29.57353 = 591.47
  3. Result: 20 fl oz = 591.47 mL

This conversion factor (29.57353) is the same for every fluid ounce to milliliter calculation.

Fluid Ounce to Milliliter Conversion Table

Fluid Ounces (fl oz) Milliliters (mL)
1 fl oz 29.57 mL
2 fl oz 59.15 mL
5 fl oz 147.87 mL
10 fl oz 295.74 mL
15 fl oz 443.6 mL
20 fl oz 591.47 mL
25 fl oz 739.34 mL
50 fl oz 1,478.68 mL
75 fl oz 2,218.01 mL
100 fl oz 2,957.35 mL
250 fl oz 7,393.38 mL
500 fl oz 14,786.76 mL
1,000 fl oz 29,573.53 mL
calculate Fluid Ounce to Milliliter Converter swap_horiz Milliliter to Fluid Ounce Converter functions Fluid Ounce to Milliliter Formula water_drop All Volume / Capacity Conversions

Frequently Asked Questions

20 fluid ounces equals 591.47 milliliters.
The formula is: fl oz × 29.57353 = mL. See the fl oz to mL formula page for worked examples.
Use the milliliters to fluid ounces converter. The reverse formula is: mL × 0.033814 = fl oz.
The calculator uses the full-precision conversion factor for accuracy. Table values and displayed results are rounded for readability.
The conversion formula (fl oz × 29.57353 = mL) is based on internationally defined standards. Displayed results are rounded for readability, while the calculator uses the full-precision factor.
person Written by Sean Day verified Reviewed by UnitCompare update Last updated Mar 28, 2026