Important Unit Conversion in Mathematics

Unit conversion table in mathematics, important units and their conversion in mathematics.Changing between units of measurement,Roman numerals into Hindu arabic, prime numbers from 1 to 120

IMPORTANT UNITS CONVERSION  IN MATHEMATICS

10mm (millimeter)	1cm
10cm(centimeter)	1dm
10dm(Decimeter)	1m
10m (Meter)	1 Dam
10Dam (Decameter)	1 Hm
10 Hm (Hectometer)	1Km ( Kilometer)
1 Are (a)	100 m2
1 Hectare(Ha)	10000 m2
100 Ares	1 Hectare
100 Hectares	1 Km2
1 KM	1000 m	100000 cm

1 cm3	1 ml (millilitre) = 1/1000 Litres
1 dm3	1 l (litre)
1 m3	1 Kl (Kilolotre) = 1000 Litres

1 Score	20 Pieces
1 Ream	500 Pages Or 25 Score
1 Quire	24 Pieces
1 Pound	454 gm = About 0.5 Kg
1 Mile	1.6 Km
1 Inch	2.54 cm
12 Inch	1 Foot = 30 cm
36 Inches	1 Yard
3 Feet	1 Yard
1760 Yard	1 mile
1metre	39 Inches or 100 cm
a   Km/h	(a x 5/18 ) m/s
a m/s	(a x 18/5) Km/h
1 Gallon	4.5 Litres
Formula for inter conversion of Celsius scale, Fahrenheit Scale and Reaumur Scale
\[\frac{F-32}{9}=\frac{C}{4}=\frac{R}{4}\]

60 Seconds	1Minute
60 Minutes	1 Hour
24 Hour	1 day
7 days	1 week
About 4 weeks	1 month
12 months	1 year
10 year	1 decade
100 years	1 century
1000 years	1 millennium

Acute Angle	Angle between 0o and 90o
Right Angle	Angle of 90o
Obtuse Angle	Angle Between 90o and 108o
Straight Angle	Angle of 180o
Reflex Angle	Angle between 180o and 360o
Complete angle	360o

Nano	10-9m
Micro	10-6 m
Milli	10-3
Centi	10-2 m
Deci	10-1 m
All conversion into Base units  Metre,
Deka(Da)	10 m
Hecto	100 m
Kilo	103 m
Mega	106 m
Giga	109 m
Tera	1012 m

Quantity	Units
Distance, Displacement, Perimeter, Circumference	mm, cm, dm, m, da,
Curved surface Area, Total Surface Area	mm2, cm2, dm2, m2, are, hectare
Volume, Capacity	mm3, cm3, dm3 or litre, m3 or Kilolitre
Time	Second, minute, hour, day, month, year
Money	Paise, Rupees

ROMAN NUMERALS INTO HINDU ARABIC
Roman Numerals	Hindu Arabic	Roman Numerals	Hindu Arabic
I	1	CL	150
II	2	CC	200
III	3	CCL	250
IV	4	CCC	300
V	5	CD	400
VI	6	D	500
VII	7	DL	550
VIII	8	DC	600
IX	9	DCC	700
X	10	DCCC	800
XX	20	CM	900
XXX	30	M	1000
XL	40	MC	1100
L	50	MD	1500
LX	60	MM	2000
LXX	70	MMM	3000
LXXX	80
XC	90
C	100

List of Prime Numbers From 1 to 120
2	23	59	97
3	29	61	101
5	31	67	103
7	37	71	107
11	41	73	109
13	43	79	113
17	47	83	119
19	53	89

Note:-There are 10 prime numbers from 1 to 30

There are 25 prime numbers from 1 to 100

OLD INDIAN SYSTEM OF NUMERATION FOR MONEY
4 दमड़ी	1 पैसा
4 पैसे	1 आना            = 3 पाई
16 आने	1 रुपये
OLD INDIAN SYSTEM OF NUMERATION FOR WEIGHT
8 रति	1 मासा
12 मासे	1 तोला
5 तोले	1 छटांक
40 सेर	1 मण           = 16 किलोग्राम
2.5 सेर	1 किलोग्राम
1 बटी      =   5 सेर	2 किलोग्राम
1 धडी     =   10 सेर	4 किलोग्राम
PRESENT  SYSTEM OF NUMERATION FOR WEIGHT
1 Gram	1000 milligram
1 Decagram	10 Gram
1 Hectogram	100 Gram
1 Kilogram	1000 Gram
1 Quintal	100 Kg
1 Metric Ton	1000 Kg

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