How to Measure Your Ring Size at Home in Singapore (2026 Guide)

Buying a ring online is much easier when you know your correct size. A ring that is too tight can feel uncomfortable, while one that is too loose may rotate, slip off or be lost. This guide explains how to measure your ring size at home, how Singapore ring sizes compare with US sizes, and what to check before ordering a 916 gold ring.

Quick answer: For the most reliable home measurement, measure the inside diameter of a ring that already fits the intended finger. If you do not have one, wrap a narrow paper strip around the finger, mark where the ends meet, and measure the length in millimetres. Compare the result with our official ring size guide and repeat the measurement three times.

Why an accurate ring size matters

Ring fit depends on more than the finger alone. The width and shape of the band, the size of the knuckle, temperature and even the time of day can affect how a ring feels. A slim ring may fit comfortably in a size that feels tight when worn as a wide band.

A good everyday fit should slide over the knuckle with gentle resistance, sit comfortably at the base of the finger and require a slight twist to remove. It should not leave a painful indentation or fall off when the hand points downward.

Method 1: Measure a ring that already fits

This is usually the simplest home method, especially when buying a surprise gift.

1. Choose a round ring that fits the same finger and hand on which the new ring will be worn.
2. Place it flat on a ruler or, for greater precision, use a digital calliper.
3. Measure straight across the widest part of the opening, from one inside edge to the opposite inside edge.
4. Record the inner diameter in millimetres.
5. Match the measurement to the closest size in the chart below.

Do not include the thickness of the metal in the measurement. A difference of less than one millimetre can change the recommended ring size, so measure carefully.

Method 2: Measure your finger with paper

If you do not have a suitable ring, use a non-stretch paper strip about 5 mm wide. Paper is generally easier to control than string, which may stretch or pull too tightly.

1. Wrap the paper around the base of the intended finger.
2. Keep it comfortably snug, not tight.
3. Check that the loop can also pass over the knuckle.
4. Mark the exact point where the paper overlaps.
5. Lay it flat and measure from the starting edge to the mark in millimetres.
6. Use the circumference column in the chart to find the closest size.

Repeat the process three times. If the measurements differ, measure again later under normal room-temperature conditions.

Singapore ring size conversion chart

Best Gold Shop uses Singapore/Hong Kong sizing. The figures below are a convenient reference based on our current size guide. Always check the individual product listing before ordering.

SG/HK size	US size	Inner diameter	Approx. circumference
8	4	14.8 mm	46.5 mm
9	4.5	15.2 mm	47.7 mm
10	5	15.6 mm	49.0 mm
11	5.5	16.0 mm	50.3 mm
12	6	16.4 mm	51.5 mm
13	6.5	16.9 mm	53.1 mm
14	7	17.3 mm	54.3 mm
15	7.5	17.7 mm	55.6 mm
16	8	18.2 mm	57.2 mm
17	8.5	18.6 mm	58.4 mm
18	9	19.0 mm	59.7 mm
19	9.5	19.4 mm	60.9 mm
20	10	19.8 mm	62.2 mm
21	10.5	20.2 mm	63.5 mm
22	11	20.6 mm	64.7 mm
23	11.5	21.0 mm	66.0 mm
24	12	21.4 mm	67.2 mm
25	12.5	21.8 mm	68.5 mm

Note: conversion charts are approximate because international sizing standards and ring profiles can vary. A professional fitting remains the best confirmation.

When should you measure your finger?

Finger size can change during the day. For a useful everyday measurement:

• Measure near the end of the day, when fingers are usually at their normal or slightly larger size.
• Avoid measuring immediately after exercise, in very hot weather or when your hands are unusually cold.
• Measure the exact finger on the exact hand. The same finger can differ between the left and right hands.
• Take at least three readings on separate occasions if possible.

What if you are between two sizes?

If your result falls between two sizes, the larger size is often more comfortable—particularly when the knuckle is wider than the base of the finger. However, ring design matters. Wide bands typically feel tighter than narrow bands, while top-heavy designs may need a closer fit to reduce spinning. Ask the jeweller to confirm the best choice for the specific design.

How to estimate a ring size for a surprise gift

Borrow a ring the recipient already wears on the intended finger and measure its inner diameter. If that is not possible, trace the inside and outside edges on paper or press the ring gently into a clean bar of soap, then bring the impression to a jeweller. Avoid guessing from height, weight or glove size; these are not dependable ring-sizing methods.

Common ring-measuring mistakes

• Measuring the outside diameter: only the inner opening determines size.
• Pulling paper or string too tightly: the finished ring will not stretch in the same way.
• Ignoring the knuckle: the ring must pass over it safely.
• Using the wrong finger or hand: sizes can differ.
• Measuring only once: temperature and fluid retention can change the result.
• Ignoring band width: wide rings may require a different fit.

Can a 916 gold ring be resized?

Many plain 916 gold rings can be adjusted, but not every design is suitable. Full-eternity patterns, stone settings, hollow construction and highly detailed bands may limit resizing. Read our guide to resizing 916 gold jewellery before relying on alteration as a solution.

Best Gold Shop’s current size guide states a one-time free resize for eligible standard rings and an exchange window, subject to the applicable product and store terms. Confirm eligibility before purchase because exclusions may apply.

Before ordering a 916 gold ring online

1. Confirm whether the product uses SG/HK, US or another sizing system.
2. Check the band width and whether the listing includes fit advice.
3. Measure the intended finger at least three times.
4. Review the product’s resize and exchange eligibility.
5. Save your measurement in both millimetres and SG/HK size.

Once your size is confirmed, explore our 916 gold ring collection. You can also check the live gold price in Singapore before making your selection.

Get professionally measured in Singapore

Home methods are useful estimates, but an in-store ring sizer provides greater confidence—especially for an important gift or a wide, fitted design. Visit Best Gold Shop at 38 Joo Chiat Road, Singapore, and our team can help you compare sizes and suitable ring styles.

Frequently asked questions

Are Singapore and Hong Kong ring sizes the same?

They are commonly grouped together as SG/HK sizing by local jewellers. Always check the seller’s own conversion chart because measurements can vary slightly.

Can I order using my US ring size?

Yes, if you convert it using the jeweller’s chart. For better accuracy, also provide or compare the inner diameter in millimetres.

Should I size up for a wide ring?

A wide band often feels tighter than a narrow one. Some customers need a slightly larger size, but the correct adjustment depends on the design and finger shape.

Why does my ring size change?

Heat, cold, exercise, hydration and time of day can temporarily change finger size. Measure under normal conditions on more than one occasion.

What should I do if I am between sizes?

The larger size is often safer, particularly when the ring must pass over a prominent knuckle. Ask the jeweller for advice based on the band width and design.