Here are the EASY conversions to calculate Grams to Penny weights and Pennyweights to Grams:

Take the weight (be sure you have the scale on the correct setting (Grams or Pennyweights)? -And multiply:

Grams to Pennyweights: Multiply (x) .64

Pennyweight to Grams: multiply (x) 1.56

Hope this helps you.

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