Inches

Millimeters

1/16 in.

1.5mm

1/8 in.

3mm

1/4 in

6mm

3/8 in

9mm

1/2 in

12mm

5/8 in

15mm

3/4 in

18.5mm

7/8 in

22mm

1 in

25mm



 
Remember that this is a close approximation. Screen resolution and monitor size will affect how you view the chart. 

How Many Beads Per Inch?

Bead Size

Per Inch

7"

16"

24"

32"

36"

3mm

8.25

57

132

200

265

288

4mm

6.25

43

100

150

200

225

5mm

5.00

35

82

124

160

180

6mm

4.25

28

67

100

132

153

7mm

3.50

24

57

85

114

126

8mm

3.25

22

50

75

100

112

10mm

2.50

18

40

60

80

90

12mm

2.00

15

33

50

66

72

14mm

1.75

13

29

43

56

63

16mm

1.50

11

25

38

50

54

18mm

1.25

10

23

34

45

50

20mm

1.20

8

20

29

38

43


Remember to allow for the length of your clasp. If you use spacer beads or mix sizes, this chart may not be accurate. 

Seed Bead Sizing

Seed beads are sized in aughts, which are different than millimeters. The most popular school of thought of the sizing of seed beads states that the size (6/0) refers to the number of seed beads per inch (7 beads per inch). Another sizing theory is that the size is based on the rod used to make the beads. The larger the number, the smaller the bead (20 is small, 3 is large).

Seed Bead Sizes

Aught Size

mm diameter

beads per inch

6/0

3.3

7

8/0

2.5

10

9/0

2.2

11

10/0

2.0

12

11/0

1.8

14

13/0

1.5

17

14/0

1.4

18

15/0

1.3

19

delica

1.8

14

Birthstone Chart

Birth Month

Modern

Traditional

Mystical

January

Garnet

Garnet

Emerald

February

Amethyst

Amethyst

Bloostone

March

Aquamarine, Bloodstone

Bloodstone

Jade

April

Diamond

Diamond

Opal

May

Emerald

Emerald

Sapphire

June

Pearl, Moonstone

Alexandrite

Moonstone

July

Ruby

Ruby

Ruby

August

Peridot

Sardonyx

Diamond

September

Sapphire

Sapphire

Agate

October

Opal, Tourmaline

Tourmaline

Jasper

November

Yellow Topaz, Citrine

Citrine

Pearl

December

Turquoise, Blue Zircon, Tanzanite

Zircon, Lapis Lazuli

Onyx




Wire/Sheet Sizing Charts

 

 

Wire Sizing Chart

B & S Gauge

Decimal

Millimeter

12

.0811

2.06

14

.0630

1.60

16

.0512

1.30

18

.0394

1.0

20

.0323

.82

22

.0252

.64

24

.0197

.50

26

.0157

.40

28

.0118

.30


 

Sheet Size Chart

B & S Gauge

Decimal

Millimeter

16

.0512

1.30

18

.0394

1.00

20

.0323

.82

22

.0252

.64

24

.0197

.50

26

.0157

.10

28

.0118

.30

30

.0110

.25



Remember that this is a close approximation. Screen resolution and monitor size will affect how you view our charts. 


Wire Size and Temper 

Wire Gauges - In reference to wire gauge sizes, the larger the number, the smaller the diameter of the wire. 

26g - extra fine - for very small and delicate projects 
24g - fine - for pearls & most gemstones - easy to work with 
22g - medium - fairly universal for glass beads, fits some pearls and gemstones 
20g - medium heavy - great for earwires, clasps or larger beads 
18g - heavy - often good for chainmaille or when you want a heavier look 
16g - heavy - often used as a base to wrap finer wires around 
14g - heavy - often used as a base to wrap finer wire around 
12g - very heavy - hard to work with, good for rings and buckles 

The most commonly used sizes for wire wrapping are 20 to 24g. 

Wire Temper - Measures the amount of spring in the wire. 

Soft - Has no spring when you bend it. Good for making wire beads.

Half-Hard - Has some spring, but is still malleable. Good for basic wirework. Hold its shape well. 

Hot Fix Crystal Guidelines

When affixing Hot Fix crystals to fabric it is important to use enough heat to activate the adhesive, but avoid using too much heat that will in turn, damage the crystal. Use the table below to estimate how much heat you will need to affix Hot Fix crystals to the desired fabric.

Temperature Guidelines in Seconds

120°C
250°F

130°C
265°F

140°C
285°F

150°C
300°F

160°C
320°F

170°C
340°F

Cotton

15

13

11

9

7

5

Linen

15

13

11

9

7

5

Wool

25

22

19

16

13

10

Denim

25

23

21

18

15

12

Lycra

25

21

17

13

9

5

Silk

14

13

11

9

7

5

We recommend using a Teflon sheet to protect the crystal and fabric, and using medium pressure on an iron to ensure that you do not damage the materials. Please note that the temperature/time combinations shown in the above table are guidelines only. Always carry out tests before starting on the actual piece in order to find the best settings for your design.

How To Care:

Here are some basic guidelines to follow when caring for fabric with Xilion Rose Hotfix.

Before Washing - Turn the garment inside out. Be sure to use a gentle wash cycle and a mild washing powder or liquid. To make sure that the crystals are not harmed during the wash, protect them with a soft, washing bag.

Before Drying - Turn the garment inside out. Use a low temperature and a gentle drying cycle. To make sure that the crystals are not harmed during the drying cycle, protect them with a soft washing bag.

When Pressing - Set the warmed iron to "Wool/Silk/Polyester/Viscose" Protect the clothing with a piece of cloth as a buffer between the fabric and the iron. Be careful when ironing, because if the iron is on for too long it can reheat the glue on the Hotfix crystals.

Dry Cleaning - garments with Hotfix crystals can be dry-cleaned.

Do Not Use Chlorine Bleach

 
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