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January 29th, 2012, 04:24 PM   #1
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Having trouble converting units/trouble understanding

So, here's the question

1 picogram = _____ g?

In the table of SI prefixes, it says

| pico- | p | 0.000 000 000 001 | 10^-12

Gram is one, right? How do I solve this? So far, I came up with: 1 pg multiplied by (1g / ???? ) = g? In the end, you cancel out both pg and the pg in the denominator?

God, sorry for the dumb question....

Thanks!
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January 29th, 2012, 04:45 PM   #2
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Re: Having trouble converting units/trouble understanding

1 trillion picograms = 1 gram (not very heavy!)
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January 29th, 2012, 05:02 PM   #3
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Re: Having trouble converting units/trouble understanding

Quote:
Originally Posted by Denis
1 trillion picograms = 1 gram (not very heavy!)
It's not 1x10^-12 = 10^-12 grams?

Unless I'm wrong, you mean that 1 picograms is equal to 1 trillion grams then, sir?
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January 30th, 2012, 02:26 AM   #4
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Re: Having trouble converting units/trouble understanding



This can also be deduced from what Denis said:



Dividing through by , we see:

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February 5th, 2012, 01:00 PM   #5
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Re: Having trouble converting units/trouble understanding

Is there a formula for converting units for km to km, l to ml, kh to microgram, cm to km, etc.?
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