Ounces to Milliliters
Convert US fluid ounces to milliliters plus liters, cups, and tablespoons in one go. Enter fl oz, get 29.5735-based metric and kitchen equivalents for recipes, supplements, and drinks without signup plus cup tablespoon liter equivalents and US-imperial distinction notes for recipes formula shots pours servings bottles and lab reagents daily.
Convert US fluid ounces to milliliters instantly in your browser. Free online oz to ml converter with cups and tablespoons equivalents.
Calculator Inputs
About oz to ml
Convert US fluid ounces to milliliters plus liters, cups, and tablespoons in one go. Enter fl oz, get 29.5735-based metric and kitchen equivalents for recipes, supplements, and drinks without signup plus cup tablespoon liter equivalents and US-imperial distinction notes for recipes formula shots pours servings bottles and lab reagents daily.
One US fluid ounce equals approximately 29.5735 milliliters.
This tool converts your ounces to milliliters, and also shows the same volume in liters, US cups, and tablespoons for easy measuring.
All math runs locally in your browser.
Kitchen: 1 cup = 8 fl oz = 236.6 mL. 1 tbsp = 0.5 fl oz = 14.8 mL.
UK note: Imperial fl oz is 28.41 mL. Use US here unless recipe says British.
Privacy: Fully local. No volumes leave device.
Limits: Fluid ounces only, not weight ounces. For flour grams, use weight converter with density.
Formula mixing: Austin parents mixing $40 formula batches convert 4 oz to 118 mL precisely for infant safety. New York flyers packing $300 toiletry kits respect 100 mL bottle rules on 09/22/2026.
Cocktail pours: Chicago bartenders pouring $15 signatures convert 2 oz to 59 mL for balanced specs. Miami cafes pulling $6 espresso shots dose 1 oz doubles consistently.
Lab reagents: Seattle labs measuring $9,000 reagent lots convert fluid ounces to metric protocols exactly. Denver hikers carrying $200 filters dose 33 oz reservoirs in liters.
Kitchen ladder: Eight ounces fill cups, half-ounces fill tablespoons — the equivalents print beside every result for spoon-less cooking.
Gallon caution: US fluid ounces differ from imperial 28.41 mL versions — confirm recipe origin before converting heirloom cards.
Where it is used
Recipes mixing US cups and metric, baby formula 4 oz to mL, espresso shots and cocktail pours, supplement 2 oz servings, travel bottles under 100 mL rules, and lab reagents switching fl oz to metric Austin parents mix $40 formula batches, Chicago bartenders pour $15 cocktails, Miami cafes pull $6 espresso shots, Denver hikers carry $200 filters, Seattle labs measure $9,000 reagents, and New York flyers pack $300 toiletry kits.
How to use the oz to ml
- Fluid ounces (US) — enter the value (e.g. 8).
- Calculate — press the Calculate button to see the result instantly above.
Examples
Coffee 8 oz
Shot 1.5 oz
Bottle 33.8 oz
Frequently Asked Questions
- Is this for US or UK fluid ounces?
- US fluid ounces. A UK (imperial) fluid ounce is slightly larger (about 28.41 ml). Choose imperial only if your recipe is specifically British.
- How many ml are in a cup?
- One US cup is 8 fluid ounces, or about 236.6 milliliters.
- Tablespoons per ounce?
- 2 tbsp per fl oz. Example: 4 fl oz = 8 tbsp.
- Weight vs fluid?
- Fluid oz is volume. Weight oz needs density — 8 fl oz water ≈ 8.3 weight oz, honey heavier.
- Travel limit?
- 3.4 fl oz = 100 mL TSA cap. This tool verifies bottle sizes fast.
- Private?
- Yes. Local-only math.