1 grain of sand = 10 skin cells |
0.5 millimeter |
1 skin cell = 5 blood cells |
50 micrometers |
1 blood cell = 2 X chromosomes or ~2 yeast cells |
10 micrometers |
1 X chromosome = 1 yeast cell = 10 E. coli |
5 micrometers |
1 E. coli or mitochondrion = 2 M. superstes |
0.5 micrometer |
1 M. superstes = 4 ribosomes |
0.25 micrometer |
1 ribosome = 6 catalase enzymes |
30 nanometers |
1 catalase enzyme = 5 glucose molecules |
5 nanometers |
1 glucose molecule or amino acid = approximately 4–6 water molecules |
1 nanometer |
1 water molecule = 275,000 atomic nuclei |
0.275 nanometer |
1 atomic nucleus |
1 picometer |
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1 inch = 25.4 millimeters |
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1 foot (12 inches) = 0.3048 meter |
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1 yard (3 feet) = 0.9144 meter |
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1 mile = 1.6093 kilometers |
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1 million = 106 (1 with 6 zeros) |
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1 billion = 109 (1 with 9 zeros) |
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1 trillion = 1012 (1 with 12 zeros) |
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milli = 10-3 (1 thousandth) |
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micro = 10-6 (1 millionth) |
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nano = 10-9 (1 billionth) |
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pico = 10-12 (1 1,000 billionth, or a trillionth) |
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32°F = 0°C |
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212°F = 100°C |
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