Pennyweight is a standard unit of measurement supplied in the precious steels industry. It originated as a unit the the troy weight device in 15th Century England and also remains the standard for valuing precious steels today.

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During 15th Century England, the load of an English coin was specifically 1/20th of a troy ounce and 1/240th of a troy pound that sterling silver. Therefore, there space 20 pennyweights in a trojan ounce and 12 troy ounces in a troy pound.

Although the exact same grain is used in both the troy weight system and the an ext common avoirdupois mechanism (used in the joined States), a trojan ounce is heavier than an avoirdupois ounce, and a trojan pound is lighter 보다 an avoirdupois pound. There space 20 pennyweights in a troy ounce, compared to 31.1 grams in a trojan ounce.

With prices set per trojan ounce through the London fix, calculating a pennyweight price top top the spot deserve to be tricky. To help, we’ve detailed our pennyweight calculator and also conversion chart below. Use these devices to help determine the worth of your valuable metals.


Pennyweight Calculator

Use ours pennyweight calculator to transform the weight of your precious metals right into pennyweights (dwt).

An advanced version of this pennyweight calculator, which provides payout quotes, is obtainable to our customers who register for an account v us. Native the largest lot come the smallest collection of scrap jewelry, provide us v your contact information and also we’ll follow up with a quote. Call us this particular day 212-398-1454 to comment on hedging alternatives or prevent by and visit united state in the Diamond District. Our headquarters space at 45 West 47th Street (Exchange).


Pennyweight counter Chart

Need to transform pennyweights come grams? Grams to trojan ounces? trojan ounces to pennyweights? Download your publish quality (pdf) pennyweight conversion chart from Manhattan gold & Silver.

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PennyweightGramsKilogramsGrains weightTroy ouncesTroy PoundsAvoirdupois ouncesAvoirdupois poundsKarats
1 pennyweight11.5520.0016240.050.0041666670.05490.0034287.77587
1 gram0.6410.00115.430.03220.0026792410.03530.0022045
1 kilogram643.01100011543232.1512.6792235.2742.204625000
1 grain0.040.060.0000610.0020.0001730.02290.0001420.323995
1 trojan oz2031.1040.0311548010.0833331.09710.068571155.517
1 trojan lb240373.240.3732576012113.1660.8228571866.208
1 oz avoid18.23028.350.0284437.520.9120.07595410.062499141.747
1 lb avoid291.68453.590.45367000.3214.5831.215271612267.961
1 karat0.130.20.00023.090.006430.0005350.007050.000441

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