How to Determine Engagement Ring Size
Take the Guesswork Out of Finding the Right Size for Your Sparkler
In This Article:
- Factors That Impact Engagement Ring Sizing
- Measuring Your Ring Size at Home
- Measuring Your Ring Size Professionally
- Guessing Your Partner's Ring Size
- Engagement Ring Resizing 101
Since your engagement ring will be a constant symbol of your marriage, having an accurate measurement of your ring size before your partner pops the question is crucial. While you can leave it up to chance and let your significant other make an educated guess, it's much better to determine your ring size at home or with the help of a professional.
Factors That Impact Engagement Ring Sizing
Several factors can affect your ring size, including environment, finger shape, band width, and international sizing charts.
Environment and Activity
To determine your ring size, your "ring finger measuring conditions" need to be just right. Temperature is the most important factor; in warm environments, your fingers expand, appearing larger, and in cold environments, they shrink. Different people’s ring sizes fluctuate differently, so observe how your hands change throughout the day. Avoid eating salty foods, drinking hot cocktails, or engaging in strenuous activities before measuring, as these can make your fingers swell. For the most accurate fit, measure around midday at room temperature.
Finger Shape
Finger shape can also impact ring size and fit. Rings can easily fall off tapered fingers (which widen toward the base), so those with this shape should measure for a snug fit. Individuals with knotted fingers (where the knuckle is the widest part) will need to measure for a looser fit and consider adding sizing beads to prevent the ring from moving around.
Band Width
Thinner bands tend to run a bit larger, while thicker bands fit more snugly. The wider the engagement ring or band, the tighter it will fit. If you’re interested in a wider band, consider sizing up slightly to ensure comfort.
International Ring Sizing
Ring sizes in the United States and Canada range from three to 13, including half and quarter sizes, measured in inches or millimeters based on the ring's diameter or circumference. International ring sizing follows the same measurement process but uses different scales that vary by country. Australia and the United Kingdom, for instance, use an alphabetical letter sizing system.
Measuring Your Ring Size at Home
Printable Ring Sizer Technique
Print and cut out the ring sizer from our size guide, ensuring it's printed to scale. Wrap it around the base of your left ring finger and slide the pointed end through the slot. Gently pull until it fits securely and check the number displayed for your ring size.
Ring Technique
Measure the inner diameter of a ring that fits your left ring finger using a ruler, or compare it to our printable size guide to find a matching diameter and ring size.
Plastic Belt Ring Sizer Technique
Using a plastic belt ring sizer is the most accurate at-home method. Order one online and keep the belt sizer at the same size when trying it on to avoid measuring the wrong size. A ring sizer with multiple solid plastic rings in different sizes can help you determine an accurate fit.
How to Get Your Ring Size Measured Professionally
If you don't trust your judgment, turn to a professional jeweler. Most jewelers use sizing rings to quickly determine the most reliable fit. Try to purchase your engagement ring from the same jeweler who sized you, or one with similar engagement ring styles to ensure accuracy.
How to Guess Your Partner's Ring Size
If you prefer to keep the proposal a surprise, ask someone close to your partner for their ring size. Alternatively, bring a photo of your partner’s hands to a jeweler for an estimate. Using a ring your partner already owns is another method, but be cautious, as ring sizes vary between fingers.
What to Know About Engagement Ring Resizing
Jewelers can typically resize engagement rings up to two sizes up or down. Frequent resizes, however, can damage the metal. Eternity bands, with diamonds around the entire band, can only be resized slightly and may need to be remade if a significant size change is required. Both resizing processes—making rings smaller or larger—are doable with a skilled jeweler.
For the best fit and to avoid resizing issues, consider all these factors and consult with professionals when necessary.
