Conversion July 13, 2026 · 8 Min Read

Ounces to Grams Calculator – Guide & Formulas

Convert ounces to grams (oz to g) instantly. High precision kitchen conversions, recipe scaling, and postal metrics.

Convert customary avoirdupois ounces (oz) to metric grams (g) instantly. This tool provides kitchen-friendly accuracy for bakers, cooks, laboratories, and trade operations.

Key Takeaway

Use the free Ounces to Grams Calculator to convert ounces to grams (oz to g) instantly. high precision kitchen conversions, recipe scaling, and postal metrics. Get instant results with step-by-step explanations.

How to Use the Ounces to Grams Calculator

  1. Enter the weight in customary ounces (oz) into the field.
  2. Observe the instant calculation output in grams (g).
  3. Examine the relative metric scale comparisons below.
  4. Use the one-click copy button to save the conversion details.

The Formula

Grams = Ounces * 28.349523125

Variable Definitions

  • Ounces: The mass or weight in customary ounces
  • Grams: The equivalent mass in metric grams

Converting a 3-Ounce Baking Ingredient Portion

A baker needs to find the exact metric gram equivalent for 3 ounces of standard cocoa powder.

  1. Step 1: Input Ounces = 3.
  2. Step 2: Multiply by 28.349523.
  3. Step 3: 3 * 28.349523 = 85.049 grams.

Frequently Asked Questions

How do I convert ounces to grams manually?

Multiply the number of ounces by 28.35 to get a close and accurate manual approximation in grams.

What is 16 ounces in grams?

16 ounces (which is equal to 1 pound) converts to approximately 453.59 grams.

Does this calculator convert fluid ounces to grams?

No. Fluid ounces measure liquid volume, not mass. Converting fluid ounces to grams depends entirely on the density of the specific liquid being measured.