1 gram
3 grams
Depends on the size.
3,846 pounds (SI Units)
half a paper clip
dont know it depends on the size shape and material
0.5 oz
That depends on the size of the key and what it is made of.
A best estimate for the mass of a key is 26 grams.
The amount that a Lexus dealership charges to make an additional key for a Lexus car depends on the year and model of the car.
The amount that Lexus charges to make a new Lexus car key varies by year and model of the car and by dealership.
Key weight: depends on the manufactorer of the car or house key. Did you mean key as in Kilo as in kilogram?A rough guide is 2.2 lbs per kilo.One kilogram is one thousand gramsOne gram = 0.035273962 ouncesOne pound = 16 ouncesOne kilogram = 2.2046226 pounds http://www.onlineconversion.com/auto_convert.pl
a key is 1000 grams so 250 grams would be a quarter key to equal about 8.9 ounces