Measurement guide

Cup specifications are clues, not promises.

Cup dimensions help you read a product page with more confidence. They do not guarantee fit. MonthlyCup’s guide advises comparing measurements, flow, and preferences, and says age or childbirth alone are not a size rule.

Menstrual cup silhouette with abstract measurement arcs
Diameter width measure
Length cup or total
Capacity to the holes
Published model data

MonthlyCup model specifications at a glance.

The measurements below are manufacturer-published data from MonthlyCup’s English guide. They are product specifications, not a promise that a model will suit every person.

ModelDiameterCup lengthTotal lengthCapacity to holes
Mini37 mm45 mm55 mm15 ml
Normal43 mm55 mm65 mm22 ml
Plus47 mm55 mm65 mm43 ml
What each term means

Read the spec line like a map.

Diameter

The width measurement of the cup. It can help compare models, but it is not a fit guarantee.

Cup length

The length of the cup body without the stem where that distinction is provided.

Total length

The overall length including the stem. MonthlyCup’s guide lists total length for each model.

Capacity to the holes

The listed capacity up to the holes, as published by the manufacturer.

Normal model example

MonthlyCup Normal Pink: listed details.

The published product information for MonthlyCup Normal Pink lists a diameter of 43 mm, length of 55 mm without stem, total length of 65 mm including stem, and capacity of 22 ml up to the holes. It also lists medical-grade silicone, manufacture in Sweden, a fabric storage pouch, and an instruction manual.

Important limit: Manufacturer specifications are useful for comparison, but they are not independent clinical evidence. This page does not state that any model prevents leaks, suits every body, or has a fixed product lifespan.
FAQ

Questions about cup measurements.

Use these answers to interpret, not overinterpret, published specifications.

Does a cup measurement guarantee fit?

No. MonthlyCup’s guide says no model is guaranteed to fit everyone and advises comparing measurements with individual flow and preferences.

What does capacity to the holes mean?

It is the capacity measurement published by the manufacturer up to the holes of the cup.

Can age or childbirth determine cup size by itself?

MonthlyCup’s guide says age or childbirth alone are not a size rule.

What is listed for MonthlyCup Normal Pink?

The product information lists 43 mm diameter, 55 mm length without stem, 65 mm including stem, 22 ml capacity to the holes, medical-grade silicone, manufacture in Sweden, a fabric storage pouch, and an instruction manual.