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Cloth Diaper Size


Need Sizing Help for Cloth Diapering?

You have all the answers you need here!


How to Measure Your Baby:

Before checking the cloth diaper size charts, you need to know how to measure your own baby for a perfect fit. Generally, 4 measurements are critical for cloth diaper size selection:

  • Leg or Thigh: Measure where the elastic of a diaper would normally be - around the meatiest part of the baby's thigh.
  • Rise: Measure from mid-back at the waistline to slightly below the baby's belly where his/her diaper normally would come up to.
  • Waist: Measure around the baby's waist. Measure over diaper for cover size.
  • Crotch: Measure between legs at front. Measure over diapers for cover size.

FuzziBunz Cloth Diapers

bumGenius Cloth Diapers

Happy Heinys Cloth Diapers

Kissaluvs Cloth Diapers

Thirsties Cloth Diapers

Baby Kangas Cloth Diapers

Flip Cloth Diapers

BerryPlush Cloth Diapers

Sugar Peas Cloth Diapers

Gro Baby Cloth Diapers

Dream Eze Cloth Diapers


FuzziBunz Perfect Size Diaper

Measuring Your Baby: To measure your baby's thighs Measure where the elastic of a diaper would normally be - around the meatiest part of the baby's thigh. To measure your baby's rise Measure from mid-back at the waistline to slightly below his belly where his/her diaper normally would come up to.

*Please note: These measurements take into consideration only one insert in the FuzziBunz at a time. Always try your new FuzziBunz on your baby with an insert for size before washing / using. If the cloth diaper size chart is still baffling you... Here is some additional information for you to use in trying to choose the best size for your baby:

  • XS FuzziBunz are for either preemie or very small babies - they will fit newborns very well, however, not for a very long time.  
  • Small FuzziBunz will fit babies that are newborn (although they may be a tad big at first) through about 6 or 8 months of age when they are ready for the mediums.
  • Medium FuzziBunz will fit babies with either small or large thighs. Medium is our most popular size because babies stay in this size the longest! They will fit babies from about 4 months old (depending on their growth rate and size build) up to potty training stages.
  • Large FuzziBunz will generally not start fitting your baby until at the very least, 12 months old or are in the weight range or very tall.
  • Petite, Toddler and XL are specialty sizes. Mediums have been found from our size testing to fit better and for longer periods than the Petite size diaper for skinny toddlers. XL can be used for older potty training children or other circumstances where larger diaper needed.
Size
Weight
Age
Thigh
Rise

X-Small

4 - 12 lbs

Pre - 4 mos

4" - 6"

12"

Small

7 - 18 lbs

0-8 mos

5" - 10"

13"

Medium

15 - 30 lbs

6-36 mos

9" - 13"

15"

Large

25 - 45+ lbs

12+ mos

12" - 16"

16"

Petite

25 - 30 lbs

12+ mos

9" - 12"

16"

X-Large

45+ lbs

2+ yrs

15" - 18"

18"

 


FuzziBunz One Size Diaper

The FuzziBunz® ONE SIZE diaper is adjustable through adjustable elastic, NOT snap downs on the front of the diaper like most one size diapers on the market today. Similar to adjustable waistbands for children and maternity wear, the waist and legs have been made customizable through a button / elastic adjustment system. So instead of 3 length settings, you can set to 8+ very customizable sizes. Instead of NO waist settings, you have up to 4+. So you have a SUPER adjustable diaper without an excess of snaps. It may take a bit of "adjusting" to get to the right size, but when you find the right fit, you set it and forget it.

Size
Weight
Waist
Leg

X-Small

Newborn -10 lbs

4

6

Small

7 - 18 lbs

3

4

Medium

15 - 30 lbs

3

3

Large

30+ lbs

2

2

 


bumGenius DELUXE All-In-One Cloth Diapers

  • XS (Extra-Small) fits from 6-12 pounds. It is intended for a newborn and fits low, below the navel, to keep the umbilical area dry. This diaper is designed to fit during that itty-bitty newborn stage. The extra small diaper does not have a pocket opening.
  • S (Small) fits from 8-16 pounds. This diaper is slightly larger with a higher rise than the XS. It is intended for after your baby's umbilical cord has fallen off.
  • M (Medium) fits from 15 - 22 pounds.
  • L (Large) fits from 22 - 30 pounds.
Size
Weight
Age
Waist
Thigh
Rise

X-Small

6 - 12 lbs

0 - 2 mos

6" - 10"

3" - 5"

13"

Small

8 - 16 lbs

0 - 5 mos

7" - 12"

4" -7"

15"

Medium

15 - 22 lbs

5 - 13 mos

8" - 14"

5" - 9"

17"

Large

22 - 30 lbs

12+ mos

9" - 16"

6" - 11"

19"

 


bumGenius! One Size Pocket Diapers

Size
Weight
Age
Thigh
Rise

One-Size

7 - 35 lbs

9" - 21"

4" - 13"

13.5" - 19"

 


bumGenius! Bamboo Fitted Diapers

  • XS (Extra-Small) fits from 6-12 pounds. It is intended for a newborn and fits low, below the navel, to keep the umbilical area dry. This diaper is designed to fit during that itty-bitty newborn stage.

  • S (Small) fits from 8-16 pounds. This diaper is slightly larger with a higher rise than the XS. It is intended for after your baby's umbilical cord has fallen off.

  • M (Medium) fits from 15 - 22 pounds.

  • L (Large) fits from 22 - 30 pounds.

The XS size was designed to fit under your newborn's umbilicus to keep the entire umbilical area free of moisture and dampness. Gentle elastic at the waist and legs does a fantastic job of containing messes. The disposable-like hook & loop closures even fasten on top of each other to accommodate even the tiniest of babies.

Size
Weight
Waist

Leg

Rise

Newborn

6 - 12 lbs

4" - 8"

4" - 8"

11"

Small

8 - 16 lbs

6" - 10"

6" -10"

14"

Medium

15 - 22 lbs

7" - 12"

7" - 12"

15"

Large

22 - 30+ lbs

8" - 14"

8" - 14"

17"

 


Happy Heinys Pocket Diapers

Size
Weight
Waist
Rise

Tiny

5.5 -10 lbs

8" - 12"

13"

Small

8 - 16 lbs

11" -15"

14.5"

Medium 14 - 25 lbs 14" -21" 18"
Large 23 - 35 lbs 17" -25" 20"

X-Large

30 - 40 lbs

18" - 25"

21"

XX-Large

40 - 60 lbs

25" - 33"

25"

 


Heiny Huggers Sherpa Fitted Diaper

Size
Weight
Waist
Rise

Newborn

6 - 10 lbs

8" - 12"

13"

Small

8 - 16 lbs

11" -15"

14.5"

Medium

15 - 23 lbs 14" -21" 18"
Large 21 - 32 lbs 17" -25" 20"

 


Happy Hempys Hemp Fitted Diaper

Size
Weight
Waist
Rise

Small

up to 12 lbs

11" - 15"

14.5"

Medium

12 - 20 lbs

14" -21"

18"

Large 20 - 35 lbs 17" -25" 20"

 


Happy Heinys Stacinator So Simple Diaper Covers

Happy Heinys Stacinator Fleece Diaper Covers 

Happy Heinys Stacinator Stretch Wool Diaper Covers

Size
Weight
Waist
Thighs

Newborn

6 -10 lbs

13+"

6" - 8"

Small

10 - 15 lbs

15+"  

8" -10"

Medium 15 - 20 lbs 16+"

10" - 12"

Large 20 - 30 lbs 17+"

11" - 13"

Toddler

30+ lbs

18+"

12" - 14"

 


Happy Heinys Pocket Training Pants

Size
Weight

X-Small

15 -24 lbs

Small

24 - 35 lbs

Medium 35 - 45 lbs
Large 45 - 55 lbs
X-Large 55 - 65 lbs
XX-Large 65 - 80 lbs

 


Happy Heinys One Size Pocket Diapers

You will find on your one size diaper a total of 4 snaps on the front. This will give you a total of 4 different sizes for your diaper. This will allow the diaper to fit most babies from about 8 lbs - 35 lbs.


Kissaluvs Contour Cloth Diapers

Size NB/Small

  • Fits approximately 5-20 lbs
  • Natural stitching
  • Attached Booster Doubler, for 4 layers through the "wet zone"
  • Approximately 12.5" long (11.5" tucked/folded)
  • Approximately 4.5" at narrowest width
Size M/L
  • Fits approximately 15-30 lbs
  • Purple exterior stitching
  • Attached Super Soaker Doubler, for 5 thick layers through the "wet zone"
  • Approximately 15" long (13.5" tucked/folded)
  • Approximately 5.25" at narrowest width

Kissaluvs Cotton Fleece Fitted Cloth Diapers

Size 0 - New Born

Size 1 - Medium

Size 2 - Large

 

 

 

 * Fits approximately 5-15 lbs
* Light Brown stitching
* Fits approximately 10-25 lbs
* Pastel Rainbow exterior stitching
 * Fits approximately 20-40 lbs
* Primary Rainbow exterior stitching

 


Kissaluvs Organic Cotton/Hemp Fitted Diapers

Size NB - Newborn
  • Fits approximately 5-15 lbs
  • Natural stitching
Size M/L – Medium/Large
  • Fits approximately 15-40 lbs
  • Natural stitching

Kissaluvs Wool Lover Diaper Cover

Size

Waist

Rise

Thigh

Crotch

Weight

Small

14"

21"

8"

3.1"

8" - 18"

Medium

15"

22.4"

9"

3.5"

15" - 25"

Large

17"

24.4"

10"

4.2"

20" - 35"

*weight is an approximation as all babies are shaped differently


Thirsties Duo Wrap - Diaper Covers 

Size
Weight
Age
Waist
Thigh
Rise

Size - 1

6 - 18 lbs

0 - 9 mos

10" - 19"

4" - 10"

14" - 16"

Size - 2

18 - 40 lbs

9 - 36+ mos

14" - 25"

8" -14"

18" - 20"

 


Thirsties Duo Cloth Diapers

Size
Weight
Age
Waist
Thigh
Rise

Size - 1

6 - 18 lbs

0 - 9 mos

10" - 19"

4" - 10"

14" - 16"

Size - 2

18 - 40 lbs

9 - 36+ mos

14" - 25"

8" -14"

18" - 20"

 


Baby Kangas One Size Cloth Diapers

Snaps allow for 3 rise settings and a wide range of waist adjustments to fit a variety of shapes and sizes. Fits from approximately 10lbs to 35lbs.


Flip One-Size Cloth Diapers (Diaper Cover + Inserts)

The one-size cloth diapers and insert adjust to fit most babies from 7-35 pounds.


BerryPlush All In One Cloth Diapers

BerryPlush AIOs are now available in 3 sizes.

  • Small: fits babies from approximately 9-18lbs
  • Medium: fits babies from approximately 16-25lbs
  • Large: fits babies from approximately 20-35lbs

Sugar Peas 2-size Hemp Fitted Diapers

Sugar Peas innovative 2 Size Diaper concept was developed to improve the fit of the one sized diapers that were too bulky on a newborn and too small on many toddlers. Buying 2 sets of diapers is far more economical than many systems that offer 5 or more different sizes from newborn through potty training. 

Size
Weight
Waist
Rise

Size - 1

6 - 20 lbs

13" - 19"

12" - 14"

Size - 2

18 - 38 lbs

15" -24"

16" - 18"

 


Gro Baby One Size Cloth Diapers

Change the cloth diaper sizes by adjusting the snaps:

 


Dream-Eze All In One Cloth Diapers

Size
Weight
Waist

Leg

Rise

Small

8 - 16 lbs

9" - 17"

5.5" - 12"

13" - 16"

Medium

15 - 25 lbs

12" - 20"

6" - 14"

15" - 18"

Large

 24+  lbs

12" - 21"

8" - 16"

16" - 20"

 


Please note that babies have different growing paths, all the sizing data on this page are approximate numbers and for reference purpose ONLY.

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