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Basic Unit Conversions – Metric / Imperial

July 28, 2019

Linear Measure

  • 1 inch = 25.4 mm or 1 mm = 0.039 inch
  • 1 foot = 0.3048 m or 1 cm = 0.394 inch
  • 1 yard = 0.9144 m or 1 m = 1.094 yards
  • 1 mile = 1.609 km or 1 km = 0.6214 mile

Square Measure

  • 1 inch² = 6.45 cm² or 1 cm² = 0.155 inch²
  • 1 foot² = 9.29 dm² or 1 dm² = 0.0107 foot²
  • 1 yard² = 0.836 m² or 1 m² = 1.196 yard²
  • 1 mile² = 2.59 km² or 1 km² = 0.386 mile²

Cubic Measure

  • 1 inch³ = 16.4 cm³ or 1 cm³ = 0.061 inch³
  • 1 foot³ = 28.3 dm³ or 1 dm³ = 0.035 foot³
  • 1 yard³ = 0.765 m³ or 1 m³ = 1.308 yard³

Weight Measure

  • 1 ounce = 28.35 g or 1 g = 0.0353 oz
  • 1 pound = 453.6 g or 1 kg = 2.205 lb
  • 1 stone = 6.35 kg or 1 kg = 0.157 stone
  • 1 tonne = 1.02 (metric) ton or 1 ton = 0.984 (long) ton

Filed Under: Drafting Standards, Geometry

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