Measurement & ConversionHESI A2 cheat sheet

Metric, household, and between

12 key facts Reviewed Oct 2026

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Metric

kilo 1,000
centi 1/100
milli 1/1,000
1 kg = 1,000 g
1 g = 1,000 mg
1 L = 1,000 mL

Household

1 tsp = 5 mL
1 tbsp = 15 mL
1 fl oz = 30 mL
1 cup = 240 mL · 1 lb = 16 oz

Between Systems

1 kg = 2.2 lb · 1 inch = 2.54 cm

Method

Dimensional analysis — write units as fractions so they cancel

Key takeaway

Metric, household, and between

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