1. Time
• 60 seconds = 1 minute
• 60 minutes = 1 hour
• 24 hours = 1 day
• 48 hours = 2 days
• 7 days = 1 week
• 2 weeks = 1 fortnight
• 31 days = 1 month
• 365 days = 1 year
• 12 months = 1 year
• 56 weeks = 1 year

2. Length
mm, cm, M, KM
• 10mm = 1 cm
• 100cm = 1m
• 500m = 0.5KM
• 1000m = 1KM
• 2000m = 2 KM

3. Mass
mg,g,KG
• 1000mg = 1g
• 500g = 0.5KG
• 1000g = 1KG
• 1000KG = 1 tonne

4. Capacity
ml, l, KL, ML,
• 1000ml = 1 litre
• 1000 l = 1KL
• 1000KL = 1ML (1 Mega Litre /1 Million Litres)

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