Length

• Millimetre to Centimetre

  Divide by 10
• Centimetre to Millimetre

  x10
• Centimetre to metre

  Divide by 100
• Metre to Centimetre

  x100
• Metre to Kilometre

  Divide by 1000
• Kilometre to metre

  x1000
• Kilometre to Megametre

  Divide by 1000
• Megametre to kilometre

  x1000
• Megametre to Gigametre

  Divide by 1000
• Gigametre to Megametre

  x1000