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Weight Converter Hub

Free online weight and mass conversion calculators for cooking, fitness, travel, shipping, and education. Factors based on the 1959 International Yard and Pound Agreement and NIST SP 811.

Free Online UtilityNIST SP 811 & 1959 Treaty
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Popular Converters

  • kg to lbs
  • lbs to kg
  • grams to kg
  • kg to grams
  • grams to oz
  • oz to grams
  • stones to kg
  • lbs to stones

Quick Weight Benchmarks

  • 14.5 Stone in kg
  • 140 lbs in Stone
  • 15.5 Stone in kg
  • 10.5 Stone in kg
  • 9.5 Stone in kg
  • 13st 11 in kg
  • 125 lbs in Stone
  • 154 lbs in kg
  • 12st 5 in kg
  • 2 Stone 4 in kg
  • 1 Ton to kg
  • US Ton to kg
  • kg in a Ton
  • Grams in an Ounce
  • Ounces in a Pound
  • kg in a Stone
  • Pounds in a kg

Mass & Weight Units

  • Pound (lb / lbs)
  • Kilogram (kg)
  • Stone (st)
  • Gram (g)
  • Ounce (oz)
  • Metric Ton (t)
  • US Ton (short ton)
  • Long Ton (UK ton)
  • Milligram (mg)
  • Microgram (µg)

Calculators & Charts

  • Weight Percentage Calculator
  • Weight Difference Calculator
  • Stones & Pounds to kg
  • kg to Stones & Pounds
  • Stones to kg Chart
  • kg to lbs Chart
  • lbs to kg Chart
  • Ounces to Grams Chart
  • Weight vs Mass Guide
  • Formula Cheat Sheet
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