ppb - Parts Per Billion. Conversion Chart

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1This is a conversion chart for parts per billion (Percentages and Parts). To switch the unit simply find the one you want on the page and click it.
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2Enter the value you want to convert (parts per billion). Then click the Convert Me button.
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3Now find the unit you want and get the conversion result next to it. It's your answer.

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Conversion settings explained

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Number of significat figures

Do you want rounded off figures or scientifically precise ones? For everyday conversions we recommend choosing 3 or 4 significant digits. If you want maximum precision, set the number to 9

Digit groups separator

Choose how you want to have your digit groups separated in long numbers:

1234567.89none
1 234 567.89space
1,234,567.89comma
1.234.567,89point

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  • Significant figures:
  • Digit groups separator:
Your value (parts per billion, ppb):
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Quantity Units

unit, point (1)
pair, brace, yoke
nest, hat trick
half-dozen
decade, dicker
dozen
baker's dozen
score
flock
shock
hundred
great hundred
gross
thousand
great gross
Units: unit, point (1)  / pair, brace, yoke  / nest, hat trick  / half-dozen  / decade, dicker  / dozen  / baker's dozen  / score  / flock  / shock  / hundred  / great hundred  / gross  / thousand  / great gross
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Percentages and Parts

percent (%)
permille (‰)
parts per million (ppm)
Units: percent (%)  / permille (‰)  / parts per million (ppm)  /
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Fractions

This section answers a question like "How many one sevenths are there in 1 half?". To get an answer enter 1 under half and see the result under 1/7. See if you can use this section to find out how many one-sixths are there in 15 one-nineths.
half or .5 (1/2)
one third or .(3) (1/3)
quart, one forth or .25 (1/4)
tithe, one fifth or .2 (1/5)
one sixth or .1(6) (1/6)
one seventh or .142857 (1/7)
one eights or .125 (1/8)
one ninth or .(1) (1/9)
one tenth or .1 (1/10)
one sixteenth or .0625 (1/16)
one thirty-second or .03125 (1/32)
Units: half or .5 (1/2)  / one third or .(3) (1/3)  / quart, one forth or .25 (1/4)  / tithe, one fifth or .2 (1/5)  / one sixth or .1(6) (1/6)  / one seventh or .142857 (1/7)  / one eights or .125 (1/8)  / one ninth or .(1) (1/9)  / one tenth or .1 (1/10)  / one sixteenth or .0625 (1/16)  / one thirty-second or .03125 (1/32)
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Metric Prefixes

These prefixes are widely used in Metric System. They apply to any unit, so if you ever see, e.g. kiloapple, you know it's 1000 apples.
yocto (y)
zepto (z)
atto (a)
femto (f)
pico (p)
nano (n)
micro (µ, mc)
milli (m)
centi (c)
deci (d)
deka (da)
hecto (h)
kilo (k)
mega (M)
giga (G)
tera (T)
peta (P)
exa (E)
zetta (Z)
yotta (Y)
Units: yocto (y)  / zepto (z)  / atto (a)  / femto (f)  / pico (p)  / nano (n)  / micro (µ, mc)  / milli (m)  / centi (c)  / deci (d)  / deka (da)  / hecto (h)  / kilo (k)  / mega (M)  / giga (G)  / tera (T)  / peta (P)  / exa (E)  / zetta (Z)  / yotta (Y)
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Number of Performers

solo
duet
trio
quartet
quintet
sextet
septet
octet
Units: solo  / duet  / trio  / quartet  / quintet  / sextet  / septet  / octet

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