Coinstar vs. the Kitchen Scale

Sat, 05 Jul 2014 01:04:33 GMT

How much was in those change jars on top of the fridge? I weighed the coins and then ran them through the counting machine at QFC.

Coin	Weight	Mass ea.	Est. by wt	Coinstar	Diff.
Quarters	621	5.670	110 = $27.40	—
Dimes	742 ± 3	2.268	327 = $32.72	328	+0.3%
Nickels	1212	5.000	242 = $12.12	243	+0.4%
Cents	3251	2.500	1300 = $13.00	1243	-4.4%

Pretty close really. Older pennies have been substantially heavier so that's probably why the penny count by weight was high.

I didn't run the quarters through the machine since I use them for laundry. Sadly, despite the Beach Boys' financial planning advice, $47.72 is not enough to buy a sporty new Chevy.

I guess I could also have stacked each coin type (slid them into a v-shaped groove in something (quiet, m_pig)) and measured their length. That might have been better for the pennies.

Other things found in the change jar: two Eisenhower half-dollars, one bicentennial; some Canadian quarters and Japanese 50-yen coins; and an Australian two-cent piece which appears to have a firelizard on the back.

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Coinstar vs. the Kitchen Scale