30 Grams to Fluid Ounces

How many fluid ounces is 30 grams? Here's the answer for water and 8 common ingredients.

💧 Water (1.0 g/mL)
1.0144 US fl oz
1.0559 Imperial fl oz
30g ÷ 29.5735 = 1.0144 fl oz

Convert 30 Grams to Fluid Ounces

Use the calculator below with any ingredient density. Pre-filled with 30g.

30g = 1.0144 fl oz (💧 Water)

30 Grams in Fluid Ounces — By Ingredient

30 grams converts to a different number of fluid ounces depending on the substance's density.

Ingredient Density (g/mL) US Fl Oz Volume (mL)
💧 Water 1 1.0144 30.00
🥛 Whole Milk 1.03 0.9849 29.13
🫒 Cooking Oil 0.92 1.1026 32.61
🌾 All-Purpose Flour 0.529 1.9176 56.71
🍚 Granulated Sugar 0.845 1.2005 35.50
🧈 Melted Butter 0.959 1.0578 31.28
🍯 Honey 1.42 0.7144 21.13
🍷 Alcohol (Ethanol) 0.789 1.2857 38.02

⚠️ These values assume standard temperature and pressure. Actual density may vary by brand and temperature.

How to Convert 30 Grams to Fluid Ounces

The conversion from grams to fluid ounces requires knowing the substance's density because grams measure mass while fluid ounces measure volume.

Fluid Ounces = Grams ÷ (Density × 29.5735)

Step-by-Step Example: 30g of Water

  1. Identify the density: Water = 1.0 g/mL
  2. Apply the formula: 30 ÷ (1.0 × 29.5735) = 30 ÷ 29.5735
  3. Calculate: = 1.0144 US fluid ounces

Why Density Matters

100 grams of flour occupies about 6.39 fl oz of space, while 100 grams of honey only fills 2.38 fl oz. The same weight of different substances occupies very different volumes.

Nearby Grams to Fluid Ounces Conversions

Quick reference for values close to 30 grams.

Grams US Fl Oz Imperial Fl Oz
12g 0.4058 0.4223 Convert →
15g 0.5072 0.5279 Convert →
16g 0.5410 0.5631 Convert →
20g 0.6763 0.7039 Convert →
25g 0.8454 0.8799 Convert →
28g 0.9468 0.9855 Convert →
32g 1.0820 1.1262 Convert →
35g 1.1835 1.2318 Convert →
40g 1.3526 1.4078 Convert →
45g 1.5216 1.5838 Convert →
50g 1.6907 1.7598 Convert →
55g 1.8598 1.9357 Convert →

Frequently Asked Questions

Divide the mass in grams by the density of the substance (in g/mL), then divide by 29.5735. For water (density = 1.0 g/mL), simply divide grams by 29.5735. Example: 100g ÷ 29.5735 = 3.3814 fl oz.
No. Grams (g) measure mass (weight), while fluid ounces (fl oz) measure volume. Converting between them requires knowing the density of the substance. Only for water does 1 gram equal approximately 1 mL.
Because grams measure weight and fluid ounces measure volume. Different substances weigh different amounts per unit of volume. For example, 100g of flour takes up much more space (6.39 fl oz) than 100g of honey (2.38 fl oz).
100 grams of water equals 3.3814 US fluid ounces. For other substances: 100g milk = 3.28 fl oz, 100g oil = 3.68 fl oz, 100g flour = 6.39 fl oz.