4 crackers
There are approximately 0.0041 ounces in 3 grains.
90 grains is approximately 0.185 ounces
2,100 grains is 4.375 troy ounces.
555.0 grains equates to 1.156 troy ounces.
There are approximately 635.8 grains in 1.125 ounces.
Seven ounces = 3,062.5 grains.
According to Google Calculator, 1.25 ounces of weight is equivalent to 546.875 grains.
20 graham crackers = 10 ounces so 1 graham cracker = 0.5 ounces.
2.0833 troy ounces next time just google "sterling silver 1000 grains"
There are approximately 71.5 grains in one troy ounce. Therefore, 1,000 grains is equivalent to about 14 troy ounces of silver.
Conversion: grains x 0.002286 = ounces
500 g = 17.64 oz