complete.tools

Ounce Converters

Convert ounces to grams, pounds, kilograms, milligrams, stones, metric tons and troy ounces.

What this tool does

Convert ounces to grams, pounds, kilograms, milligrams, stones, metric tons and troy ounces. Type an amount in ounces (avoirdupois), choose the units, and the tool converts it to grams. It offers 8 mass units and also shows the same amount in the others.

Inputs

  • Value: A number.
  • From: Choose one: Ounce (avoirdupois), Gram, Pound (avoirdupois), Kilogram, Milligram, Stone, Tonne (metric ton), Troy ounce. Starts as Ounce (avoirdupois).
  • To: Choose one of the same 8 units as "From". Starts as Gram.

How to use

  1. Enter the amount you want to convert.
  2. Choose the unit to convert from and the unit to convert to.
  3. Read the result: the converted amount and the same amount in the other units. It appears once every required field has a valid value.

Worked examples

Conversions from ounces (avoirdupois) to grams:

  • 1 oz = 28.349523125 g
  • 5 oz = 141.747615625 g
  • 10 oz = 283.49523125 g
  • 50 oz = 1,417.47615625 g
  • 100 oz = 2,834.9523125 g

Multiply the number of ounces (avoirdupois) by 28.349523125 to get grams. Both units are exact definitions, so 28.349523125 is the exact factor: 1 oz = 28.349523125 g.

Sources: Ounce (avoirdupois): exact by definition. Gram: SI Brochure, 9th edition (2019).

Limitations

  • Converts mass units only. It does not convert between mass and volume or energy, which needs a density or other second value.
  • Fluid ounces measure volume and are not included.

FAQs

Q: How many grams is one ounce?
A: One avoirdupois ounce is 28.349523125 grams, about 28.35 grams.
Q: What is the difference between an ounce and a troy ounce?
A: The troy ounce, used for precious metals, is about 31.10 grams. The everyday avoirdupois ounce is about 28.35 grams. Both are in the list, each labeled by name.
Q: How many ounces are in a pound?
A: There are 16 avoirdupois ounces in a pound.

Explore Similar Tools

Explore more tools like this one: