Table of Conversion Factor for Textile Calculation
Amit Kumar Das
Founder of "টেক্সটাইল ম্যানিয়া" Blog
Pabna Textile engineering college, Pabna, Bangladesh
Cell: 01770 456240
Email: amitptec6th@gmail.com
Founder of "টেক্সটাইল ম্যানিয়া" Blog
Pabna Textile engineering college, Pabna, Bangladesh
Cell: 01770 456240
Email: amitptec6th@gmail.com
Introduction:
In the path of textile calculation, we need to work with numerous number/count units of measurement. Because many of mathematical theories we see which requires frequent conversion of units.
Problem: 01
A wrapper’s beam containing 420 ends and a length of 2000 yards weights (net) 20 pounds. Find the beam count ?
Solution:
Total continuous length of 420 ends = (2000 x 420 ) yards
So one lea (120 yards) weight = { (20 x 7000 x 120) ÷ (2000 x 420)grains }
= 20 grains
Hence beam count = 1000/20
= 50s (ANS.)
Math like above, we see there is given a length of 2000 yards weights(net) 20 pounds , but to find one lea weight, we must need to convert this 20 pounds into grains,for doing this we have multiplied 20 by 7000.
Problem: 02
A 30 yard length lap weights (after deducing the lap rod weight) 26.25 lbs.Find out the hank lap?
Solution:
One yard of lap weights = 26.25 / 30 lbs
=14 ozs.
Converting ozs.to grains = (14/16) x7000
Hank Lap = 8.33 ÷ { (14/16) x7000 }
= 0.00136 (ANS.)
Math like this, we are seeing when we get the weight of one yard of lap 26.25 / 30 lbs, for putting this weight into the second calculation of finding hank lap it needs to multiply by 16,as it requires the same value but in unit named ounces .thats why before putting we have convert multiplying it by 16.
Aim of this discussion is only to understand you the necessity of knowing easy factors for converting values. Thats why it is very helpful to keep all the conversion factors in one page. Keeping it in mind we try to prepare a Table consists of all the conversion factors.Hope you would be benefited a lot.
Table for Conversion Factor:
To Change From

To

Multiply by

Centimetre

Inches

0.3037

Inches

Centimetre

2.54

Metres

Inches

39.37

Metres

Feet

23

Foot

Metre

0.3

Metres

Yards

1.1

Yards

Metres

0.91

Square inches

Square centimetres

6.4536

Square yards

Square metres

0.8361

Square metres

Square feet

10.76

Acre

Hectares

0.4047

Hectares

Acre

2.471

Kilometres

Miles

0.6214

Cubic Inches

Cubic Centimetres

16.387

Cubic Centimetres

Cubic Inches

0.061

Litres

Cubic Inches

61.02

Imperial Gallon

Litres

4.536

Ounces (oz)

Grams

28.35

Grams

Ounces(oz)

0.035

Pound

Kilogram

0.4536

Pound

Ounces(oz)

16

Ounces

Ounces

0.0625

Pounds

Grains

7000

Grains

Pounds

0.000142

Kilogram

Pound

2.205

Pounds per litre

Pounds per gallon

0.01

Pounds per square foot

Kg. per square metre

4.883

Penny weight(dwt.)

Grains

24

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