Getting The Right Size November 07 2013

Determining ring sizes

Ring sizing is very tricky since fingers can change a whole size depending on the temperature and time of day. It’s always best to get sized several times, by several different people, on different days before ordering a ring. That way you can come up with a sort of average.

Since ring sizes change quite a bit depending on the weather, if you get sized in the winter, then receive your ring in the summer, it will likely fit a bit more snug than you expected, and vice versa. It is common to have any wedding ring or engagement ring re-sized at least once until you get the fit dialed in. 

It’s always best to get sized by professionals using metal ring sizers before ordering a ring. We use the "True Size" ring sizing system

There are printable ring size charts, but those will not give you the correct size. Mostly because a piece of paper or string conforms to the shape of your finger (which isn’t round) in a way that a metal ring will not. Also, if you wrap a string around your finger, then measure it, you are likely to stretch it differently when wrapping it around your finger, or when measuring it on a ruler. And even a fraction of a millimeter off will make for ring that is too big or too small.

Some things to keep in mind and pay attention to when going to get sized:

  • Fingers typically are bigger in the morning and when you are hot.
  • They shrink quite a bit when you are cold.
  • Bigger in the summer and smaller in the winter.
  • They swell a lot when you sleep, and are bigger in the morning.
  • Wider bands fit more snugly than narrow bands, so the width of the ring sizer bands that they used will affect the size. Generally you would go up 1/4 size for rings 5-6mm wide and 1/2 size for rings 7-8mm wide. 
  • Ideally you want to be sized with bands that are the same width and fit as the ring that you are getting.

Right now I am working on a ring set for a woman in Australia, and she was sized twice and given dramatically different sizes.  It is also tricky because of international ring size conversion. Then, there is the factor of if the size is off, it’s more expensive to send the rings back and forth for re-sizing. Given all of that she had the great idea of sending me a cheap ring that fit her perfectly. Once I received it I was able check the size on my ring mandrel, and now I can make her rings to the right size.

This ring is a hair smaller than a size 6. Ring size is measure by where the bottom of the ring lines up, or where the ring touches the wider part of the mandrel. So if it is a wide band, the top of the ring might be up around 5.5 or 5.25, but it is the bottom of the ring that you size from. If it is a comfort fit band, then it is sized from the narrowest part of the inside of the band.

Another way to size a ring is by using calipers and measuring the inside diameter of the ring. This is a more precise way to measure a comfort fit band, and in some European countries ring sizes are given as the inner mm diameter, which is really the most accurate way to size a finger and ring.

If you are fairly sure of your ring size, but want to double check before you order your ring, contact us about getting brass rings to try. For a small fee we will send you a brass ring in the ring size that you request plus one 1/2 size larger and one 1/2 smaller -  in the approximate width of the ring you plan on ordering. This is especially useful if you are planning on ordering a wider band or a band with stones.