Weight & Mass Converter: Convert all units

Convert between different units of mass easily with our online mass converter. Switch instantly between kilograms (kg), grams (g), pounds (lb), ounces (oz), tonnes (t), and stones (st). Calculate equivalent values accurately for seamless weight conversion.

Mass Conversion Formulas

  • Kilograms (kg):
    • Grams (g): g = kg × 1000
    • Pounds (lb): lb = kg × 2.20462
    • Ounces (oz): oz = kg × 35.274
    • Tonnes (t): t = kg × 0.001
    • Stones (st): st = kg × 0.157473
  • Grams (g):
    • Kilograms (kg): kg = g / 1000
    • Pounds (lb): lb = g × 0.00220462
    • Ounces (oz): oz = g × 0.035274
    • Tonnes (t): t = g / 1e6
    • Stones (st): st = g × 0.000157473
  • Pounds (lb):
    • Kilograms (kg): kg = lb × 0.453592
    • Grams (g): g = lb × 453.592
    • Ounces (oz): oz = lb × 16
    • Tonnes (t): t = lb × 0.000453592
    • Stones (st): st = lb × 0.0714286
  • Ounces (oz):
    • Kilograms (kg): kg = oz × 0.0283495
    • Grams (g): g = oz × 28.3495
    • Pounds (lb): lb = oz × 0.0625
    • Tonnes (t): t = oz × 2.835e-5
    • Stones (st): st = oz × 0.00446429
  • Tonnes (t):
    • Kilograms (kg): kg = t × 1000
    • Grams (g): g = t × 1e6
    • Pounds (lb): lb = t × 2204.62
    • Ounces (oz): oz = t × 35274
    • Stones (st): st = t × 157.473
  • Stones (st):
    • Kilograms (kg): kg = st × 6.35029
    • Grams (g): g = st × 6350.29
    • Pounds (lb): lb = st × 14
    • Ounces (oz): oz = st × 224
    • Tonnes (t): t = st × 0.00635029

Equivalent values for 1 unit for each mass unit

  • Kilograms (kg):
    • 1 kg = 1000 g
    • 1 kg = 2.20462 lb
    • 1 kg = 35.274 oz
    • 1 kg = 0.001 t
    • 1 kg = 0.157473 st
  • Grams (g):
    • 1 g = 0.001 kg
    • 1 g = 0.00220462 lb
    • 1 g = 0.035274 oz
    • 1 g = 1e-6 t
    • 1 g = 0.000157473 st
  • Pounds (lb):
    • 1 lb = 0.453592 kg
    • 1 lb = 453.592 g
    • 1 lb = 16 oz
    • 1 lb = 0.000453592 t
    • 1 lb = 0.0714286 st
  • Ounces (oz):
    • 1 oz = 0.0283495 kg
    • 1 oz = 28.3495 g
    • 1 oz = 0.0625 lb
    • 1 oz = 2.835e-5 t
    • 1 oz = 0.00446429 st
  • Tonnes (t):
    • 1 t = 1000 kg
    • 1 t = 1e6 g
    • 1 t = 2204.62 lb
    • 1 t = 35274 oz
    • 1 t = 157.473 st
  • Stones (st):
    • 1 st = 0.157473 kg
    • 1 st = 157.473 g
    • 1 st = 14 lb
    • 1 st = 224 oz
    • 1 st = 0.00635029 t