would a banana way a gram or a kilogram?

1 kg = 1000 g

http://wiki.answers.com/Q/What_is_the_weight_of_a_banana_in_grams

How much does one banana weight

To determine whether a banana weighs a gram or a kilogram, you would need to measure its weight. Here's how you can do it:

Step 1: Obtain a weighing scale
You will need a weighing scale that can measure small weights accurately, preferably a digital scale.

Step 2: Set up the scale
Place the scale on a flat and stable surface to ensure accurate measurements. Make sure it is properly calibrated if necessary.

Step 3: Tare or reset the scale
Press the "Tare" button or option on the scale to reset it to zero. This accounts for the weight of any container or surface you might use to hold the banana.

Step 4: Place the banana on the scale
Gently place the banana on the scale, ensuring it is centered and not touching any other objects.

Step 5: Read the weight
Wait for a few seconds until the scale stabilizes, and then read the weight displayed on the scale. The weight will be shown in grams or kilograms, depending on the scale.

Step 6: Convert if necessary
If the scale measures the weight in grams, then the weight displayed is the weight of the banana in grams. If the scale measures in kilograms, you might need to convert the weight. There are 1000 grams in a kilogram, so to convert, simply multiply the displayed weight by 1000.

By following these steps, you can accurately measure the weight of a banana and determine if it weighs a gram or a kilogram.