Metric units mnemonic Ever struggle to remember the order of the metric system unit prefixes? Here's a handy mnemonic I developed to keep them straight (read the last column as a sentence): Value Prefix Symbol Mnemonic 1024 yotta Y Young 1021 zetta Z zebra 1018 exa E eat 1015 peta P patiently 1012 tera T tended 109 giga G gardens, 106 mega M making 103 kilo k Kenyan 10-3 milli m Masai 10-6 micro µ (mu) mutter 10-9 nano n numerous 10-12 pico p pledges 10-15 femto f for 10-18 atto a assembling 10-21 zepto z zebra 10-24 yocto y yurts.
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