Gram to Pennyweight Converter 2026 - g to dwt Calculator | Thiyagi

Gram to Pennyweight Converter

Convert between grams and pennyweights for precious metals and jewelry measurements

1 g = 0.643015 dwt
1 dwt = 1.55517 g
Enter a value to see the conversion result

Precious Metals Weights

Item Grams Pennyweights
Small gold ring 2-3 1.3-1.9
Gold wedding band 4-6 2.6-3.9
Silver coin (US dime) 2.5 1.6
Gold necklace 10-20 6.4-12.9
1 oz gold bar 31.1 20

Jewelry Industry Usage

Precious Metals Trading:
• Gold buying and selling
• Silver jewelry pricing
• Platinum measurements
• Scrap metal evaluation
Jewelry Manufacturing:
• Alloy calculations
• Material cost estimation
• Quality control weighing
• Custom piece design
Appraisal & Valuation:
• Insurance assessments
• Estate valuations
• Antique jewelry analysis
• Purity testing results

Unit Definitions

  • Gram: Metric unit of mass
  • Pennyweight: Troy weight unit
  • Conversion: 1 dwt = 1.55517 g
  • Troy System: 20 dwt = 1 troy ounce

Usage Tips

  • Use precision scales for accuracy
  • Pennyweight common in US jewelry
  • Grams used internationally
  • Consider market standards

Global Standards

  • US/UK: Pennyweight traditional
  • International: Grams standard
  • Jewelry: Both systems used
  • Precious Metals: Context-dependent