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QA/QC DEPARTMENT presents
Basic Conversion of SI Unitsto English Units and vice
versa
( TOPIC 2 )
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What is Measuring Units?
It is used as a standard of measurement of thephysical quantity
of things.Ex:
1 kilogram or 1kg 1 inch or 1 in2 meters of 2m 3 pounds of 3
lbs.
What is “Conversion”?
Conversion - is the process of changing or causingthe
measuring units to change from one system orform to another.
TOPIC 2 : Basic Conversion o !I Units to "ng#ish Units
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TOPIC 2 : Basic Conversion o !I Units to "ng#ish Units
Wh& is it nee$e$ to $o Conversion orMeasuring Units?
It is commonly needed to convert one unit to anotherfor there
are to systems of interpreting themeasuring units.
What is that TWO !'!T"M! O
M"!U*"M"+T?
!he to systems that e are talking about is the
!I(!&ste, Internationa#) and the other one is the
"ng#ish !&ste,.
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TOPIC 2 : Basic Conversion o !I Units to "ng#ish Units
What is (!&ste, Internationa#)
Measure,ent?
!he International "ystem of #nits
$abbreviated as "I% is a scienti&cmethod of expressing the
magnitudesof quantities of important natural
phenomena. !his system as startedby European #nion as their
standardfor measurement. !here are seven "I
base #nits as fundamentals.
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TOPIC 2 : Basic Conversion o !I Units to "ng#ish Units
Seven SI Base Units
No.
NameSymb
olMeasrement !or"
1 'eter m (ength
2 )ilogram kg 'ass
3 "econd s !ime
* +mpere + Electric ,urrent
- )elvin ) !hermodynamic $eat%
/ 'ole mol +mount of "ubstance
0 ,andela cd (uminous intensity
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TOPIC 2 : Basic Conversion o !I Units to "ng#ish Units
What is "ng#ish Measure,ent?
!he English "ystem of #nits arehistorical units of
measurement used
in England. !he units ere rede&nedin the #nited )ingdom by
eightsand 'easures +ct4 hich retained
many but not all of the unit namesand rede&ned some of the
de&nitions.
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Some E#am$les o! En%lis& Units
No.
NameSymb
olMeasrement !or"
1 5oot ft (ength
2 6ounds lbs 'ass3 7allon gal 8olume
* "econd s !ime
- 5ahrenheit 95 !hermodynamic $eat%/ 'ole mol +mount of
"ubstance
0orsepoe
rhp 6oer
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8/15TOPIC 2 : Basic Conversion o !I Units to "ng#ish Units
It All Starts 'it& aRler(((
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9/15TOPIC 2 : Basic Conversion o !I Units to "ng#ish Units
Name Symbol Factor tera- T 1012
giga- G 109
mega- M 106
kilo- k 103
hecto- h 102
deka- da 101
SI Unit Pre)#es
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Name Symbol Factor deci- d 10-1
centi- c 10-2
milli- m 10-3
micro- μ 10-6
nano- n 10-9
pico- p 10-12
emto- 10-1!
SI Unit Pre)#es
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"#antity $nit Symbol
%ol#me c#bic meter m3
'en(ity kilogram( perc#bic meter
kg)m3
Speed meter per (econd m)(
*re((#re *a(cal +kg)+m(2, *a
Derive* SI Units +e#am$les,
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12/15TOPIC 2 : Basic Conversion o !I Units to "ng#ish Units
Example: ,onvert -km to m:
'ultiply the original measurement by a
conversion factor.
E #I!
;-km x 14
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E0AMPE1Convert 23.44 5m/& tom/s0-.
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EXAMPLES:
,onvert the folloing using conversion tableas provided:
1%* gallons to liters
2%* liters to gallons3%1 liter to milliliters*%/ kilograms to
grams-%3 pounds to kilograms
/%/ tonnes to kilograms0%- feet to inches;%0 meters to
centimetersA%3/ inches to meters
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15/15TOPIC -: .epart,ent Orientation / 0C Inspector .uties
More em$o'erin% learnin%s to ome on
t&e ne#t trainin%"..
See yo on t&e same seat".
T9AN: ;
