Simplicity vs Kwik Sew Size Chart
Side-by-side body measurements in inches. Simplicity measurements on the left, Kwik Sew on the right.
Updated 2026
Misses
| Size | BustSimplicity | BustKwik Sew | WaistSimplicity | WaistKwik Sew | HipSimplicity | HipKwik Sew | Back lengthSimplicity | Back lengthKwik Sew |
|---|---|---|---|---|---|---|---|---|
| 6 | 30.5″ | — | 23″ | — | 32.5″ | — | 15.5″ | — |
| 8 | 31.5″ | — | 24″ | — | 33.5″ | — | 15.75″ | — |
| 10 | 32.5″ | — | 25″ | — | 34.5″ | — | 16″ | — |
| 12 | 34″ | — | 26.5″ | — | 36″ | — | 16.25″ | — |
| 14 | 36″ | — | 28″ | — | 38″ | — | 16.5″ | — |
| 16 | 38″ | — | 30″ | — | 40″ | — | 16.75″ | — |
| 18 | 40″ | — | 32″ | — | 42″ | — | 17″ | — |
| 20 | 42″ | — | 34″ | — | 44″ | — | 17.25″ | — |
| 22 | 44″ | — | 36″ | — | 46″ | — | 17.5″ | — |
| 24 | 46″ | — | 38″ | — | 48″ | — | 17.75″ | — |
| XS | — | 30.5″ | — | 23″ | — | 32.5″ | — | — |
| S | — | 32.5″ | — | 25″ | — | 34.5″ | — | — |
| M | — | 35″ | — | 27″ | — | 37″ | — | — |
| L | — | 38″ | — | 30″ | — | 40″ | — | — |
| XL | — | 41.5″ | — | 33″ | — | 43.5″ | — | — |
| XXL | — | 45″ | — | 36.5″ | — | 47″ | — | — |
Differences highlighted in amber. All measurements in inches.
Men's
| Size | ChestSimplicity | ChestKwik Sew | WaistSimplicity | WaistKwik Sew | HipSimplicity | HipKwik Sew | NeckSimplicity | NeckKwik Sew | Sleeve lengthSimplicity | Sleeve lengthKwik Sew |
|---|---|---|---|---|---|---|---|---|---|---|
| XS | 32″ | 34″ | 26″ | 28″ | 33″ | 35″ | 13.5″ | 14″ | 32″ | 32″ |
| S | 34″ | 36″ | 28″ | 30″ | 35″ | 37″ | 14″ | 14.5″ | 33″ | 33″ |
| M | 38″ | 38″ | 32″ | 32″ | 39″ | 39″ | 15″ | 15″ | 34″ | 34″ |
| L | 42″ | 42″ | 36″ | 36″ | 43″ | 43″ | 16″ | 15.5″ | 35″ | 34.5″ |
| XL | 46″ | 46″ | 40″ | 40″ | 47″ | 47″ | 17″ | 16″ | 36″ | 35″ |
| XXL | 50″ | 50″ | 44″ | 44″ | 51″ | 51″ | 18″ | 17″ | 37″ | 35.5″ |
Differences highlighted in amber. All measurements in inches.
Tips for comparing Simplicity and Kwik Sew
- Always choose your size based on your body measurements, not your ready-to-wear clothing size.
- If your measurements fall between sizes, cut the larger size and take in at the seams.
- Highlighted cells (amber) show where the two brands differ — pay extra attention to those measurements.
- Check our grading guide if you need to blend between two sizes.
- Use the Size Finder tool to find your size in both brands at once.
View full size charts
Frequently Asked Questions
Which brand runs larger, Simplicity or Kwik Sew?
There are measurement differences between Simplicity and Kwik Sew — highlighted in amber in the table above. Check your specific size row to see which brand measures larger for your measurements.
Can I use the same size in both Simplicity and Kwik Sew?
Not always. Review the highlighted cells above. For your specific measurements, the answer depends on the size.
Can I use a Simplicity size for a Kwik Sew pattern?
In most cases yes — if your measurements match the same size number in both brands' charts, the patterns should fit similarly. However, ease and style lines vary by designer, so always compare the finished garment measurements when possible.