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# What is the size of one cup in grams

Posts: 1 Member
edited May 24
Anyone knows the size of cup in gram ?

• Posts: 1,347 Member
Different things weigh more, think about a feather and a rock.

Do you have a scale that will weigh in grams?

Some foods on the mfp database have cup and grams in the title. You might look through the food list to see if someone added your food with both cups and grams.
• Posts: 48,881 Member
Anyone knows the size of cup in gram ?

240g are usually one US cup

A.C.E. Certified Personal and Group Fitness Trainer
IDEA Fitness member
Kickboxing Certified Instructor
Been in fitness for 35+ years and have studied kinesiology and nutrition

• Posts: 48,881 Member
ninerbuff wrote: »
Anyone knows the size of cup in gram ?

240g are usually one US cup

A.C.E. Certified Personal and Group Fitness Trainer
IDEA Fitness member
Kickboxing Certified Instructor
Been in fitness for 35+ years and have studied kinesiology and nutrition

That would likely be true for a cup of water. For other items with different density, it would not.
I stand corrected.

A.C.E. Certified Personal and Group Fitness Trainer
IDEA Fitness member
Kickboxing Certified Instructor
Been in fitness for 35+ years and have studied kinesiology and nutrition

• Posts: 33,601 Member
Grams are a weight measure. Cups are a volume measure.

Essentially, you've asked the equivalent of "how many grams are in a liter". There is no fully reliable answer.

Some foods are dense, weigh more for a given volume. Some foods are very loose or light, weigh less for a given volume.

One standard US cup is 236.6 milliliters (rounded to nearest tenth). Conventionally, for US labeling purposes, it usually gets rounded to 240 milliliters.

Confusingly, US measures for volume and weight both include "ounces". But fluid ounces and ounces of weight don't equate either: They're two different types of units, conventionally called "fluid ounces" for the volume measure, just "ounces" for the weight measure.

• Posts: 10,117 Member
To confuse the issue further most liquids will work out using both grams or milliliters. For example 500 milliliters of water weights 500 grams, honey is differently because of it's density though and temperature can influence weight as well and why volume differs from summer to winter for petroleum at a gas station for example.
• Posts: 10,117 Member
edited May 25
AnnPT77 wrote: »
Grams are a weight measure. Cups are a volume measure.

Essentially, you've asked the equivalent of "how many grams are in a liter". There is no fully reliable answer.

Assuming we take the measurement of a liter to represent a liquid we can reliable count on a liter of water which is 1000 milliliters to weight 1000 grams as an example but other things are not so reliable like oils and alcohols. Weights and measurements are sure a funny business.
• Posts: 2,945 Member
To confuse the issue further most liquids will work out using both grams or milliliters. For example 500 milliliters of water weights 500 grams, honey is differently because of it's density though and temperature can influence weight as well and why volume differs from summer to winter for petroleum at a gas station for example.

PV = nRT

College chem 101 flashbacks

• Posts: 2,501 Member
edited May 28
Pray for America!

6oz steaks that measure 8 inches across, and when diced is 2 cups.

Weight(mass): is how most of the rest of the world thinks of food.

Once I got a digital food scale I realized my food logging would be 1000 times easier if all the nutrition data came based on grams.

I think marketing and manufacturing lobbying play an oversized influence on our U.S. labeling laws. For instance a one dollar bag of chips at a gas station has 2.25 "servings." What? What is a "serving" of junk food? Who cares. What are the facts. These 100g of chips have 500 kcals.

• Posts: 10,072 Member
Pray for America!

6oz steaks that measure 8 inches across, and when diced is 2 cups.

Weight(mass): is how most of the rest of the world thinks of food.

Once I got a digital food scale I realized my food logging would be 1000 times easier if all the nutrition data came based on grams.

I think marketing and manufacturing lobbying play an oversized influence on our U.S. labeling laws. For instance a one dollar bag of chips at a gas station has 2.25 "servings." What? What is a "serving" of junk food? Who cares. What are the facts. These 100g of chips have 500 kcals.

In the U.S. it will typically tell you on the label how many grams are in a serving (labels more typically measure a serving of liquids and semi-liquid foods by volume). It's not a mystery. A few centimeters away from the information that there were 2.25 servings in the bag, it almost certainly defined a serving in grams (probably 28 grams).
• Posts: 479 Member
ninerbuff wrote: »
Anyone knows the size of cup in gram ?

240g are usually one US cup

A.C.E. Certified Personal and Group Fitness Trainer
IDEA Fitness member
Kickboxing Certified Instructor
Been in fitness for 35+ years and have studied kinesiology and nutrition

Is that cotton balls or marbles?
• Posts: 1,759 Member
I love the metric system for this reason alone:

One litre of water weighs one kilogram (at sea level if you want to get technical).

1000 litres of water weighs one metric tonne and measures one cubic metre.

It’s beautiful.
• Posts: 10,072 Member
I love the metric system for this reason alone:

One litre of water weighs one kilogram (at sea level if you want to get technical).

1000 litres of water weighs one metric tonne and measures one cubic metre.

It’s beautiful.

yes, but volume measures, such as a one liter measure, can be filled with things other than water, and they may not weigh one kilogram.