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Thread: calculating silver in coins

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  1. #1
    us
    Aug 2012
    Massachusetts
    Whites, Garrett
    1,107
    736 times
    Gold Panning, Metal detecting, beach combing, shooting, photography, genealogy, gardening

    calculating silver in coins

    So here is what I found from the Red Book as to the amount of silver in US coins (10,25 50) so if I have 10 90% half dollars I multiply by .36169 and get 3.61 ounces of silver, right?

    Silver amounts
    Dime .07234
    Quarter .18084
    40% half .1479
    90% half .36169
    Johncoho likes this.
    Ferengi Rules of Acquisition

    #59 "Free advice is seldom cheap"

    #92 "Never confuse wisdom with luck"

    2018 Totals: Halves: 200 40% 59 90%, Dimes: 33, Quarters: 46

    2018 GOAL: 300 silver Currently 354/300

    Boxes searched: Halves boxes 40, bags 3, CWR 4, loose 678 : Dimes boxes 4, bags 5, BWR 31, CWR 7 : Quarters boxes 0, bags 9, CWR 36
    47,738 halves searched 61,580 dimes searched 36,000 quarters searched
    MILES Driven 3,600

  2. #2
    us
    Mr.

    Jan 2017
    Liberal Country (Mass)
    The only two certainties in life are death and taxes. Hell, the government here even has a tax on death.
    171
    54 times
    Not Coin Roll Hunting
    With silver going to zilch it would be a good idea to spend, I mean sell, them.

  3. #3
    us
    Jun 2015
    Boone, NC
    Garrett Ace 250, Garrett ProPointer
    229
    387 times
    All Types Of Treasure Hunting
    A good across the board way to figure is to multiply spot price X 0.713. That gives you the bullion value of $1.00 face, which you would divide by 10 for dimes, divide by 4 for quarters etc. Not 100% accurate but very very close.

  4. #4
    us
    Jun 2016
    Europe
    Deephunter by Makro
    69
    68 times
    Coinmelt.com is a great site

  5. #5

    Feb 2006
    994
    769 times
    If you have a hard time with the arithmetic, coinflation.com has a calculator.
    enamel7 likes this.

  6. #6
    us
    Aug 2012
    Massachusetts
    Whites, Garrett
    1,107
    736 times
    Gold Panning, Metal detecting, beach combing, shooting, photography, genealogy, gardening
    The reason I was asking is I keep hearing people talking about how many ounces of silver they found (not that there is any out there). I have always kept any in coin tube(s) so it is easy to look at. and figure how many coins.
    I have figured value by what dealers or refiners will pay, although I like to calculate my junk silver by what I paid for it but that is not a true picture of value, it is what you can sell it for.
    Johncoho and bertmaster2000 like this.
    Ferengi Rules of Acquisition

    #59 "Free advice is seldom cheap"

    #92 "Never confuse wisdom with luck"

    2018 Totals: Halves: 200 40% 59 90%, Dimes: 33, Quarters: 46

    2018 GOAL: 300 silver Currently 354/300

    Boxes searched: Halves boxes 40, bags 3, CWR 4, loose 678 : Dimes boxes 4, bags 5, BWR 31, CWR 7 : Quarters boxes 0, bags 9, CWR 36
    47,738 halves searched 61,580 dimes searched 36,000 quarters searched
    MILES Driven 3,600

  7. #7
    us
    Feb 2008
    Santa Fe, New Mexico
    Whites, MXT.
    8,115
    3972 times
    All Types Of Treasure Hunting
    I also like coinflation.com - in response to the earlier opinion about selling silver now , I disagree - I think building precious metal inventory makes good sense now . Silver is low relative to the historical highs of even the last 5 to 7 years . Unless selling means enough cash to buy desirable real estate , I don't know why you would sell now .

  8. #8
    us
    Aug 2012
    Massachusetts
    Whites, Garrett
    1,107
    736 times
    Gold Panning, Metal detecting, beach combing, shooting, photography, genealogy, gardening
    I have heard that not only are the world banks but the various governments holding the price of precious metals down. In the next two years I don't see silver going up more than 50% but still that is better than most other investments. I think if PM were to drop to zilch we would bigger problems
    Ferengi Rules of Acquisition

    #59 "Free advice is seldom cheap"

    #92 "Never confuse wisdom with luck"

    2018 Totals: Halves: 200 40% 59 90%, Dimes: 33, Quarters: 46

    2018 GOAL: 300 silver Currently 354/300

    Boxes searched: Halves boxes 40, bags 3, CWR 4, loose 678 : Dimes boxes 4, bags 5, BWR 31, CWR 7 : Quarters boxes 0, bags 9, CWR 36
    47,738 halves searched 61,580 dimes searched 36,000 quarters searched
    MILES Driven 3,600

  9. #9
    us
    Poet—Traveler—Soldier of Fortune

    Mar 2012
    Pennsy
    1,987
    1370 times
    All Types Of Treasure Hunting
    I do it a more round-about way, I suppose.

    I add the total weight of all finds in grams, by denomination; multiply that by .9 for 90%ers, .4 for 40%ers, or .35 for war nickels to get the weight of silver in grams.

    I then divide the silver weight by the number of grams per troy ounce (31.1034768) to get a very accurate total ounces-troy in silver.

    Doing the math this way pretty well accounts for slicks, holed coins, or any other thing that throws off the weight of a coin.
    You know I've been away so long
    You love me only in your dreams
    Lucky for you I do much better in real live flesh

  10. #10
    us
    Dec 2009
    AR
    Minelab E-Trac
    2,485
    991 times
    All Types Of Treasure Hunting
    Quote Originally Posted by Ben Cartwright SASS View Post
    The reason I was asking is I keep hearing people talking about how many ounces of silver they found (not that there is any out there). I have always kept any in coin tube(s) so it is easy to look at. and figure how many coins.
    I have figured value by what dealers or refiners will pay, although I like to calculate my junk silver by what I paid for it but that is not a true picture of value, it is what you can sell it for.
    Even when silver nearly hit $50 awhile back, junk silver coins were mostly bought and sold by the coin, and not the actual weight. While it might be neat to know how many ounces you have, its probably unnecessary unless the price just absolutely skyrockets.

    And you are correct, true value is the exact amount at which you can sell - regardless of what any price guide or market summary says.

  11. #11

    Aug 2012
    1,429
    835 times
    All Types Of Treasure Hunting
    My rough estimate: $1.40 in face 90% to equal one ozt (actually a little over at 1.012)

    1 40% half equals a little more than 2 silver dimes, so 7 40%= a little over one ozt.

    That's what I do when I'm calculating on the spot.

    A dime makes it easy, because if I know the value of a dime, that's .1x face.

    I use coinflation to just figure out melt value and figure out current multiples of face. I almost always have my phone, but I use those calculations above if I'm doing some rough numbers.
    Last edited by GlenDronach; Mar 02, 2018 at 10:42 AM.
    "The right to swing my fist ends where the other man's nose begins." Oliver Wendell Holmes.

  12. #12
    us
    Feb 2008
    Great Lakes State
    dirtfishing
    10,459
    2178 times
    silver surfing
    Honorable Mentions (1)
    Quote Originally Posted by Ben Cartwright SASS View Post
    I have heard that not only are the world banks but the various governments holding the price of precious metals down. In the next two years I don't see silver going up more than 50% but still that is better than most other investments. I think if PM were to drop to zilch we would bigger problems
    I wish that were true, but silver is rigged like the rest of the markets except that unlike the rest, it's rigged down, down, and down. Even back in 1980, the price of silver was manipulated up by the Hunts. Most other investments have wiped silver off the map.
    lastleg likes this.
    When I listen to LED ZEPPELIN...so do my neighbors

  13. #13
    Charter Member
    us
    Dec 2006
    Left Coast
    XLT & Bigfoot
    4,220
    1729 times
    I may be old and cell phone illertate (I only have 3-4 programs loaded on my cell) but I was a number cruncher the last couple decades of my working life. I wrote a spreadsheet in Excel. It lets me know my AU/AG value.

    As I get I enter:
    silver coin quantity per denomination
    silver 925 jewelry by grams
    gold quantity by karat and grams

    Then I go to a gold refining forum I belong to. At the bottom of the page are up to the minute spot prices. I just update AU & AG and instantly I know to the penny my metal values.

    I just increased my net worth yesterday by $1.19 + .95˘ I found a '64 rosie (+ .95˘) in the Coinstar reject box.
    at yard sales I am dollardan

  14. #14
    us
    Jan 2016
    South of Gunnison, Gold Basin
    F2
    1,454
    1520 times
    Prospecting
    I keep my junk silver separated and in baggies so I can keep track but I always use weight x .90 for bulk. It's the easiest and fastest way to get an overall number.

    I also have a running tally in a notebook so I count everything as well for my own inventory and keep track that way.

    I only mostly deal with 90 percent and no nickels or 40%. I get rid of them for 90% or better to conserve space. Personally I'd rather have three mercury dimes than one 40% half and with the mercs being the new $1+ coin right now it makes more sense to me.

  15. #15

    May 2017
    Garrett AT Pro
    213
    194 times
    Metal Detecting
    Quote Originally Posted by galenrog View Post
    If you have a hard time with the arithmetic, coinflation.com has a calculator.
    Agreed. You can also load the "Coinflation - Gold & Silver" free app on your smart phone. It's awesome...

 

 
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