Science

King Henry Died By Drinking Chocolate Milk

King Henry Died By Drinking Chocolate Milk

Helps you remember the metric prefixes from kilo down to milli.

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Quick self-quiz

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Tap each word to check what it stands for.

• K?
• H?
• D?
• B?
• D?
• C?
• M?

When to use it

Use it when converting between metric units to determine how many places to move the decimal point and in which direction.

Example

Converting 3.5 km to cm, count from K down to C (four steps right), giving $3.5 \times 10^5$ cm = 350,000 cm.

Common mistake

Skipping the Base unit position in the middle. 'By' represents the base unit (meter, gram, liter), and forgetting it shifts all subsequent conversions by one step.