Navigation
ConvertSphere

Weight Converter

Conversion Results

International System of Units (SI)

Kilogram (kg)-
Gram (g)-
Milligram (mg)-
Microgram (μg)-
Nanogram (ng)-
Picogram (pg)-
Femtogram (fg)-
Decigram (dg)-
Centigram (cg)-
Tonne (t/Mg)-
Gigagram (Gg)-

Traditional Chinese mass units

Jin-
Liang-
Qian-
Fen-
Dan-
Shi-
Guan-
Sima jin-

Imperial units

Pound (lb)-
Avoirdupois ounce (oz)-
Grain (gr)-
Stone (st)-
Long hundredweight (long cwt)-
Short hundredweight (short cwt)-

Precious metal units

Troy ounce (troy oz)-
Pennyweight (dwt)-

Special units

Carat (ct)-
Unified atomic mass unit (u)-

Trade and commerce units

Metric ton (tonne)-
Imperial long ton (long ton)-
US short ton (short ton)-
Wheat bushel-
Corn bushel-
Soybean bushel-
Milk gallon-

About the Mass Converter

This converter supports conversions among 40+ commonly used mass/weight units across the following categories:

International System of Units (SI)

  • Base unit: Gram (g)
  • Larger units: Kilogram (kg) = 1000 g; Tonne (t) = 1000 kg; Gigagram (Gg) = 1000 t
  • Smaller units: Milligram (mg) = 0.001 g; Microgram (μg) = 10⁻⁶ g; Nanogram (ng) = 10⁻⁹ g
  • Auxiliary units: Decigram (dg) = 0.1 g; Centigram (cg) = 0.01 g; plus Picogram (pg), Femtogram (fg)

Traditional Chinese mass units

  • Jin = 500 g (modern standard, daily use)
  • Liang = 50 g (used in TCM and jewelry)
  • Qian = 5 g (herbal medicine)
  • Fen = 0.5 g (fine jewelry weighing)
  • Dan = 50 kg (agricultural bulk)
  • Shi = 60 kg (grain measurement)
  • Guan = 4000 g (traditional unit)
  • Sima jin = 600 g (East Asian traditional unit)

Trade and commerce

  • Imperial long ton = 2240 lb ≈ 1016.047 kg (Commonwealth shipping)
  • US short ton = 2000 lb ≈ 907.185 kg (US trade standard)
  • Wheat/Soy bushel ≈ 27.216 kg (international grain trade)
  • Corn bushel ≈ 25.401 kg (corn trade)
  • Metric ton = 1000 kg (international standard)

Precious metals and jewelry

  • Troy ounce ≈ 31.1035 g (precious metals)
  • Carat = 0.2 g (gemstone weight)
  • Pennyweight = 1.55517 g (subunit for precious metals)

Usage tips

  • Trade: use metric ton or applicable national standard
  • Laboratory: prefer SI units
  • Traditional medicine: use jin, liang, qian, etc.
  • Precious metals: use troy ounce or gram
  • Jewelry: use carat and point precision

Note: This converter follows international standards; results are precise to 10 decimal places. Some historical units vary regionally — refer to local standards.