Fluid Ounces to Liters Converter
Convert US fluid ounces (fl oz) to metric liters (L) instantly. A precise tool for hydroponic nutrient scaling, irrigation balancing, chemical dilutions, and international liquid packaging standards.
Result in Liters (L)
Scaling Small Volumes to Metric
While milliliters are ideal for individual doses, the liter (L) is the standard for bulk liquid commerce worldwide. Converting fluid ounces to liters is often required when calculating the yield of recipes produced in US facilities for international distribution in metric-compliant regions.
What is a Fluid Ounce?
A unit of volume equal to 1/128th of a US gallon or approximately 29.57 milliliters.
What is a Liter?
The fundamental unit of volume in the metric system. 1 liter is equivalent to 1,000 milliliters or ~33.81 fluid ounces.
Conversion Formula
Official Factor
L = fl oz × 0.0295735
Multiply fluid ounces by 0.0296 for a high-accuracy result. For rough estimates, dividing by 33.8 will give you the liters.
Fl Oz to Liters Reference Table
Fluid Ounces (fl oz) Liters (L) 8 fl oz 0.237 L 16 fl oz 0.473 L 32 fl oz 0.946 L 33.8 fl oz 1.000 L 64 fl oz 1.893 L 128 fl oz (1 gal) 3.785 L Hydroponic Nutrient & Irrigation Standards
Nutrient Application / Bottle Imperial (fl oz) Metric (L) Micro Nutrient Dose 0.5 fl oz 0.015 L Standard Booster Shot 2 fl oz 0.059 L Compact Nutrient Bottle 8 fl oz 0.237 L Industrial Supplement Pint 16 fl oz 0.473 L Quartz Nutrient Jug 32 fl oz 0.946 L Full Gallon Mix Base 128 fl oz 3.785 L Frequently Asked Questions