There are many common household items weigh at least one hundred grams, which converts to about 3.53 ounces. A typical bottle of spice power weighs about one hundred grams, including the weight of the bottle. An average bar of soap weighs about one hundred grams. So do a medium tomato, a small box of paperclips and a dinner fork or teaspoon.
A kitchen scale that includes both metric and United States customary measures is all that is needed to weigh household items in grams. If the kitchen scale only does United States measurements, converting ounces to grams is easy: One ounce is equivalent to 28.35 grams. Using a container to weigh loose objects? Put the container on the scale, and check to see how much it weighs. Write down the number, then adjust the scale’s read out to zero. When checking the read out, it will show only what the contents weigh. When finished checking weights, remove the container and set the scale back to zero.
The same is possible to do with a digital bathroom scale, one hundred grams and is just under .3 pounds. It may help to use a container that weighs about a pound, so that the scale has something substantial to measure. In the United States, most common digital bathroom scales are accurate to one tenth of a pound.