Menstrual Cups

Cup Size Comparison Charts

Sqishyness Rating

The “Squishyness” is how soft or hard a cup is – This tells you how easily it is able to be folded into the shape for insertion.  Rating is from 1-11, where 1 is very squishy and 11 is not very squishy.  This is ratings for the cups I have, listed in order of sqishyness to hardness.

Every time I go to re-rate these, it seems I give them different ratings.  So I don’t know if temperature and age affects the way the cups feel, or if I’m not rating them well…. I don’t know.  It’s also very hard to try and compare some cups, as there’s not much difference in some of them, so I’ve given half measures too.

Squishyness at rim

Fleurcup  (Large) 2
Lunacup (large) – 2
Skoon Cup (Large) 2.5
Diva Cup (Small) – 3
Lunacup (small) – 3
Ladycup (Large) – 4
Miacup (Large) – 4
Ruby Cup – 4
Juju (Large) – 4
MeLuna (new) (Large) – 4
Femmecup (new) – 4.5
Lunette (Large) – 5
Juju (Small) – 5.5
Lady Cup (Small) – 6
Skooncup (Small) – 6
Keeper (small) – 6
Femmecup  (old)  – 7
Yuuki (Old) – 7
Mooncup (UK) (Large) – 7.5
MPower (old) – 8
Mooncup UK (Small) – 9
MeLuna (Classic) (large) – 10
MeLuna (Classic) (large) – 11


Squishyness at base

Femmecup (new) – 1
Lady Cup (Large) – 1.5
Lady Cup (Small) – 1.5
Sckoon Cup (Large) –  2
Femmecup – old  – 2
Fleurcup (Large) – 2.5
Diva Cup (small) – 2.5
Miacup (Large) – 2.5
Skooncup (Small) – 2.5
Mooncup (UK) (small) – 2.5
Mooncup (UK) (large) – 2.5
MeLuna (new) (large) – 2.5
Ruby Cup – 3
Lunette (Large) – 3
Juju (Large) – 3
Yuuki (old) – 3
Keeper (small) – 3
Luna Cup (small) – 3
Luna Cup (large) – 3
Juju (Small) – 3.5
MPower (old) – 4
MeLuna (Classic) (large) – 6
MeLuna (Classic) (small) – 6

(Old sqishyness rating chart)


Old charts that need updating

(Click for a full size view)

I’ve also arranged the lists by different attributes.  Where I didn’t have enough data to properly rank a brand, I’ve put them at the bottom of the list.

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August 19, 2010 - Posted by | comparisons | , , , , , , , , , , , , , , , ,


  1. Awesome job!!

    Comment by Carol | August 27, 2010

  2. Thank you so much for collecting all the data.

    Comment by Corinna | September 7, 2010

  3. Thank you. I am looking for something for my daughter and wanted a “squish-ier” one than I have (the Keeper) for her starting out. Thanks for your work, it will make it so much easier to make a choice. We are now going to the second generation of users! :) Also a great resource for my naturally minded friends to make their choice.

    Comment by Esther | September 8, 2010

  4. Data for Green Donna:
    S: CA-22mls,CtR-25mls,TL-72mm,WS-47mm,RD-41mm,ST-tab,ML-yes,C-silicone
    L: CA-26mls,CtR-30mls,TL-72mm,WS-52mm,RD-46mm,ST-tab,ML-yes,C-silicone

    Comment by Vadoki | September 8, 2010

  5. Yes! I needed this information! I had surgery down there last year and now my DivaCup is just too big, so I’m thrilled to see what smaller ones I can try. I was so sad having to give it up!

    Comment by Chenoa | September 28, 2010

  6. I had no idea there were so many different cups! I knew there were a few. I just received my DivaCup. I hope I like it!

    Comment by Momma Jorje | April 27, 2011

  7. Hi, Im learning about menstrual cups i have been wanting one for a while but never sure which one to get i have 3 in mind but they all have there ups and downs, i am 19 years old, im a virgin, my cervix is about 2 1/4 inches in or 5.5 cm, i can fit 2 fingers in and its comfortable but its a little tight around the entrance of my vagina, so i am having a problem choosing which cup, i like the large lady cup, i think that the small will be to small and will leak, so i am wondering if the large would be firmer and not be to squishy and leak, the small lunette and small diva seem good also but i am wondering about them being to firm and not comfortable, and the diva being to long, and i am wanting to buy on ebay or amazon for a cheap price and they only have a limited variety of cups but they have these 3, the lunette is a bit pricey, i am afraid that the diva will be to firm so i am leaning toward the lady cup, it would help me out so much if i had some suggestions from peoples experience with cups

    Comment by Brandi | April 28, 2011

  8. For Brandi,

    Did you decide what to buy? I dont think you should worry too much about the cup being too small. With your age and being a virgin, I think you dont produce a lot of fluids (but you know that better than I). But you will be amazed how little you produce, at least I was. I bought the Lady Cup Small to start off with but now I want to try something smaller, because I dont need the volume. I never had issues with the small size leaking. About the firmness I havent had any issues with that either. Once it is up there, you dont feel much other than sometimes the stem, if you have not cut it short enough.

    One thing is for sure. You WILL LOVE IT. It works amazing during sports, especially swimming and diving where tampons can be a problem. So enjoy it.


    Comment by mariekebulow | August 4, 2011

  9. About Iriscup. The warranty is about 2 years.

    Comment by Eva | November 8, 2011

  10. On your squishyness scale, what is the squishyest, 1 or 10?

    Comment by rachel | April 1, 2012

  11. 1 is most squishy, 10 least squishy. Basically it is rated on how much effort it takes to push the material in.

    Comment by obsidian | April 8, 2012

  12. Just a check on your meluna sizes. The chart is out on the sizes. eg. the size small is 38mm in diameter. Meluna has a FANTASTIC page devoted to the size and pliability of their cups and teaches you how to select the right size and pliability (called “shore”) based on your stature, fitness and childbirth status. They claim that age has little to do with the size cup you need. Check it out. It’s awesome. :-) I selected the correct one for me: small, classic with stem or ball through trial and error. I wish they had the webpage earlier!!!

    Comment by lovecups | July 20, 2012

  13. Brilliant! Love this, all the information!
    Thank you

    Comment by Disa | October 14, 2012

  14. Why do you have two separate and different entries for Mooncup (UK) in the squishiness chart, but none for the Mooncup (US). Is it an error?

    Comment by Marilyn | November 17, 2012

  15. Because I don’t own a US Mooncup – they refused to send me one to sample. So I can’t rate the squishyness as I don’t own one.

    Comment by obsidian | November 20, 2012

  16. You are amazing.
    Thank you so dearly for the information and I send the best wishes for your happiness and health!

    Comment by Issa | November 21, 2012

  17. Has anyone tried the Australian JuJu cup? I know it’s a little more pricey buy the squishyness is rated 2 here. Diva has longer cup with a shorter stubbier stem (approx. 13mm to JuJus & Divas 20mm stem), which can be trimmed so if your anatomy requires a shorter cup JuJu is your friend, while still having good capacity. In my inquiries with JuJu they were open about the cost reasons, mainly because they are made and produced in Australia so the manufacturing charges are higher but the other reason really grabs my attention: Quote ” [JuJu] cups are made of the highest available medical grade silicone, in a medical-grade, dust-proof manufacturing plant in Sydney. We have been approved by the TGA as a medical device (Therapeutic Goods Administration), there is only one other cup that has this approval.”

    So, back to my original question, anyone tried this cup because I have tried no cups but want one! and I’m leaning towards JuJu, but hesitant because I don’t want to have a bad experience with the most expensive cup on the market simply because I’ve tried no cup at all.

    Comment by Jen | May 15, 2013

  18. Wow, this is extremely helpful! I have yet to find a cup that fits comfortably, doesn’t leak, and has a high enough capacity for my heavy days. Then again I’ve only ever tried the Keeper (which I had to stop using due to latex sensitivity), and the Diva cup, because when I started using cups about 10 years ago there were only one or two brands on the market–I had no idea how much variety is out there now!This is very useful to examine the squishiness, capacity, and size of various cups!!

    Comment by melanie good | June 14, 2013

  19. When you say Meluna (new) – is that classic? not sport or soft? I am curious if you have tried the sport or soft and how you would rate them, squishy-wise… Thanks for this info!

    Comment by kendra | October 21, 2013

  20. Hi, I’m looking at Melunas and I’m not sure the squishiness of the L/XL classic vs. soft… are you able to shed any light? :) I have a S Lunette and L Diva which seems to be the opposite of what you have. I’ve seen videos where L classic is said similar to L Diva and to me the L and S Diva didn’t seem to have a lot of difference so maybe you could answer S Diva/L Meluna classic? The chart says M classic is 9/10 but I don’t know how that would fit with Meluna Sports in the equation. Thanks for any help!

    Comment by leah | November 5, 2013

  21. Wow, you did great job! I am looking for a cup in Poland, but I did not find so good comparision in Polish language. But fortunately I found a shop with cups and now I am going to buy one. Thank you!

    Comment by Gosia | November 20, 2013

  22. Thank you for this detailed information.

    If it’s not too much trouble, could you add in how many measuring lines each cup has, and the volume at each? I have a Diva cup now which I like, but I would strongly prefer to have more precise measurements than just 7.5 mL vs 15 mL, and using a separate graduated cylinder is not practical.

    Comment by Blaze Birch | February 21, 2014

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