Ounces to Grams Cooking Converter (oz to g)

Ounces to Grams Cooking Converter

Quickly convert grocery package and recipe ounces to exact metric grams (oz to g) for digital scales. Includes mixed pounds & ounces, culinary cup estimations, recipe batch scaling, and butcher cuts.

Kitchen Weight Input
oz
Conversion Result
Calculated Metric Grams
226.8 g
8.0 oz = 226.8 g (0.23 kg) • ~1.00 cup butter
Metric Grams
226.8 g
28.35 g per dry ounce
Kilograms (kg)
0.23 kg
Metric mass
Pounds & Ounces
0 lbs 8.0 oz
Mixed kitchen weight
Volume Estimate
1.00 cup
Based on ingredient density
Burger Patties (4 oz / 113 g)
2.0 servings
Standard quarter-pounders
Dinner Steaks (8 oz / 227 g)
1.0 servings
Half-pound cuts
Conversion Formula & Math
Formula: Grams = Ounces × 28.3495
Math: 8.0 oz × 28.3495 = 226.8 g
Quick Kitchen Reference: Ounces to Grams Chart
Ounces (oz) Grams (g) Kilograms (kg) Pounds & Ounces Butter / Baking Cups Common Kitchen Benchmark
0.5 oz 14.2 g 0.01 kg 0 lbs 0.5 oz 1 tbsp (0.06 cup) 1 tablespoon of butter / dry yeast pack
1.0 oz 28.35 g 0.03 kg 0 lbs 1.0 oz 2 tbsp (0.13 cup) Standard 1 avoirdupois dry ounce
2.0 oz 56.7 g 0.06 kg 0 lbs 2.0 oz ¼ cup butter 1 large chicken egg / ½ stick butter
4.0 oz 113.4 g 0.11 kg 0 lbs 4.0 oz ½ cup (1 stick) 1 US stick butter / quarter-pound burger
6.0 oz 170.1 g 0.17 kg 0 lbs 6.0 oz ¾ cup butter 1 salmon fillet / chicken breast cut
8.0 oz 226.8 g 0.23 kg 0 lbs 8.0 oz 1 cup (2 sticks) 1 brick cream cheese / half-pound steak
10.0 oz 283.5 g 0.28 kg 0 lbs 10.0 oz 1.25 cups Box of frozen spinach / vegetable pack
12.0 oz 340.2 g 0.34 kg 0 lbs 12.0 oz 1.5 cups 1 standard bag chocolate chips / soda can
16.0 oz (1 lb) 453.6 g 0.45 kg 1 lb 0.0 oz 2 cups (4 sticks) Standard 1 lb pack of ground beef
20.0 oz 567.0 g 0.57 kg 1 lb 4.0 oz 2.5 cups Large porterhouse or T-bone steak
24.0 oz (1.5 lbs) 680.4 g 0.68 kg 1 lb 8.0 oz 3 cups Jar of pasta sauce / poultry thighs
28.0 oz 793.8 g 0.79 kg 1 lb 12.0 oz 3.5 cups Large commercial can of crushed tomatoes
32.0 oz (2 lbs) 907.2 g 0.91 kg 2 lbs 0.0 oz 4 cups (1 quart) Small chuck roast / quart tub yogurt
40.0 oz (2.5 lbs) 1,134.0 g 1.13 kg 2 lbs 8.0 oz 5 cups Pork tenderloin / whole chicken cutup
48.0 oz (3 lbs) 1,360.8 g 1.36 kg 3 lbs 0.0 oz 6 cups Sunday pot roast / family poultry pack
64.0 oz (4 lbs) 1,814.4 g 1.81 kg 4 lbs 0.0 oz 8 cups Half-gallon carton / whole roasting hen
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Why Weighing in Grams Elevates Cooking & Baking

In modern kitchens, digital scales have quickly replaced measuring cups and mechanical spring dials. When an American recipe or grocery package lists dry ounces, translating that weight into grams offers critical culinary advantages:

  • Pinpoint Precision for Digital Scales: While analog dials fluctuate, modern digital kitchen scales read accurately down to 1 gram (or even 0.1 gram). Converting ounces to grams ensures exact leavening, salt balance, and moisture ratios.
  • Seamless Recipe Scaling: Halving or tripling recipes in grams avoids clunky imperial fractions (such as figuring out half of 7 ⅜ ounces). Working in grams makes arithmetic straightforward.
  • Baking Science & Baker's Percentages: High-end pastries, macarons, and sourdough breads require baker's percentages calculated against flour weight in grams.

The Ounces to Grams Formula

By international avoirdupois agreement, 1 dry ounce is defined as exactly 28.349523125 grams. To convert ounces to grams:

Grams (g) = Ounces (oz) × 28.349523

Converting Mixed Butcher Weights (Pounds & Ounces)

Butcher shop labels and meat tags often read in mixed notation (such as 2 lbs 4 oz):

  1. First, convert the whole pounds into ounces: \(2\text{ lbs} \times 16 = 32\text{ oz}\).
  2. Add the remaining ounces: \(32\text{ oz} + 4\text{ oz} = 36\text{ total ounces}\).
  3. Multiply by the gram factor: \(36 \times 28.3495 = 1,020.6\text{ grams}\) (approx. 1.02 kg).

Realistic Kitchen Example: Slow-Roasted Pork Shoulder & Gravy

Suppose you are following an international recipe that requires knowing the exact metric weight of your grocery store pork roast:

  • The meat counter label says 3 lbs 8 oz (which equals \(3 \times 16 + 8 = 56\text{ ounces}\)).
  • Calculation in grams: \(56\text{ oz} \times 28.3495 = 1,587.6\text{ grams}\) (1.59 kg).
  • The recipe specifies roasting for 45 minutes per 500 grams at \(325^\circ\text{F}\).
  • Cooking time calculation: \((1,587.6 \div 500) \times 45\text{ min} = 3.175 \times 45 \approx 143\text{ minutes}\) (approx. 2 hours and 23 minutes).

Having the precise weight in grams prevents both undercooked roasts and dry meats.

How to Use This Converter

  1. Choose Conversion Mode: Select Ounces to Grams (oz → g) for single ounce values, Pounds & Oz for butcher tags, or Grams to Ounces to reverse the math.
  2. Enter the Weight: Type your number or tap a preset chip (e.g. 4 oz butter stick, 8 oz cream cheese, 16 oz beef, 28 oz tomato can).
  3. Select an Ingredient (Optional): Pick butter, flour, sugar, or cocoa to get an automatic volume cup estimation based on standard density.
  4. Scale the Batch: Tap ½×, 1×, 1.5×, 2×, or 3× to adjust ingredients for larger or smaller crowds.
  5. Review Key Kitchen Metrics: Check grams, kilograms, normalized pounds, estimated cups, and portion breakdowns.
  6. Copy or Print: Tap "Copy Result" to paste into recipe notes or "Print / PDF" to print an ink-friendly reference sheet.

Frequently Asked Questions

How many grams are in 1 dry ounce? +
There are exactly 28.349523 grams in 1 avoirdupois dry ounce. In home cooking, 28.35 grams (or 28 grams for quick estimates) is standard.
How many grams is 8 ounces of cream cheese or butter? +
8 ounces equals approximately 226.8 grams (0.50 lbs). For butter, 8 ounces is exactly 2 standard US sticks (1 cup). For cream cheese, 8 ounces is one standard rectangular brick.
What is 28 ounces in grams? +
28 ounces equals approximately 793.8 grams (0.79 kg or 1 lb 12 oz). This is the standard weight of large commercial cans of crushed and whole peeled tomatoes.
How do you convert 1 lb 8 oz to grams? +
1 pound equals 16 ounces, so 1 lb 8 oz equals 24 total ounces. Multiplying 24 by 28.3495 yields approximately 680.4 grams (0.68 kg).
Why is digital scale baking in grams more accurate than cups? +
Measuring cups introduce volume variations up to 30% depending on how flour or sugar is scooped and settled. A gram is a fixed unit of mass; 120 grams of flour is always the exact same quantity regardless of sifting.
Can I convert fluid ounces (fl oz) to grams with this converter? +
Only for water, milk, or thin broths where 1 fluid ounce (29.57 ml) weighs roughly 29.57 grams. For dry ingredients (like flour, oats, cocoa) or heavy syrups (honey, molasses), volume fluid ounces do not equal dry weight ounces.