Knix Moderate in every brand's language

By Knix's own published claim, its Moderate tier holds 18–36 mL Data quality grade C, conflicting / unconfirmed claim. Tier names don't transfer between brands - millilitres do. Here is the smallest tier in each other brand whose claimed capacity covers it.

The source claim

Knix Moderate: 2-4 super tampons (collection page, re-confirmed 2026-06-11; blog says 2-3)

The covering tier in each brand

“Covering” means the smallest tier whose claimed maximum meets the middle of Knix Moderate's range (18–36 mL). Grades: A = brand publishes mL, B = converted from counts at a stated basis, C = conflicting or unconfirmed.

BrandCovering tierClaimed capacityGrade
ThinxAll Day100 mLData quality grade A, brand publishes mL
ModibodiModerate30 mLData quality grade A, brand publishes mL
SaaltSuper40–50 mLData quality grade B, converted from tampon counts
Proof (Proof by Always)Overnight (Super Heavy Brief)35 mLData quality grade B, converted from tampon counts
Ruby LovePeriod underwear (one level)12.5 mLData quality grade B, converted from tampon counts
The Period CompanyHeavy45 mLData quality grade B, converted from tampon counts
BambodyHigh Absorbency10 mLData quality grade C, conflicting / unconfirmed claim
AisleBOOST (adjustable, +BOOSTER insert)20–40 mLData quality grade B, converted from tampon counts
WUKASuper Heavy60 mLData quality grade A, brand publishes mL
RaelReusable Boyshort15–25 mLData quality grade C, conflicting / unconfirmed claim
Hanky PankyRegular15 mLData quality grade B, converted from tampon counts
SkimsPeriod Panties Brief15 mLData quality grade B, converted from tampon counts

All figures are the brands' own maximum-capacity claims, normalized to millilitres - claims made comparable are still claims, not lab measurements (the only blood-component study, BMJ Sexual & Reproductive Health 2023, measured far lower effective capacity than marketing figures). Sources, conversion rules, and verification dates live in the methodology.

Other Knix tiers

Translate your own flow, then shop it

Tier names are a starting point — for your real number in your own words, use the live translator. Or jump straight to Knix.