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Wedding Invitation SG: Size, Style, and Singapore Trends

By 13 Oct 2026 8 min read

Your wedding invitation serves as the initial introduction to your celebration, setting the stage for the style, formality, and overall atmosphere guests can expect. For couples planning a wedding in Singapore, selecting the right invitation involves more than just aesthetic appeal; it requires an understanding of local printing standards, common sizing conventions, and evolving design trends.

Singapore, leaning towards international standards for commercial printing, predominantly uses the ISO metric system for its paper and printing industries. However, many design templates and imported brands may still refer to North American inch-based dimensions. It is crucial for couples to be aware of these differences to ensure their invitations fit standard envelopes and adhere to postal regulations.

The most widely adopted international standard for wedding invitations globally, and commonly in Singapore, is the ISO A6 size, measuring 105mm x 148mm (approximately 4.1 x 5.8 inches). This size is compact yet provides sufficient space for essential details.

Another popular international metric size is A5, which measures 148mm x 210mm (approximately 5.8 x 8.3 inches). This larger format offers more room for intricate designs, additional wording, or multiple inserts, lending a more formal and impactful presentation.

For those familiar with the North American system, the A-7 size, measuring 5 x 7 inches (approximately 127 x 178 mm), is a very common benchmark. While not an ISO standard, it is widely recognised and supported by local printers. Crucially, a 5x7 inch card fits perfectly into an A7 envelope, which is readily available.

It is important to note that confusing these systems can lead to mismatched envelopes and unexpected postage costs. For instance, a North American A-6 card (118 x 159 mm) is slightly wider than an ISO C6 envelope (114 x 162 mm), creating a fit issue. Couples should always confirm the dimensions their chosen vendor uses and ensure they are compatible with locally available envelopes.

#### Standard Wedding Invitation Sizes and Their Uses:

Choosing the right card invitation size in Singapore is also influenced by the complexity of your design and the need to include multiple inserts like RSVP cards, accommodation details, or registry information. Standard sizes are generally more economical for printing and envelope sourcing.

The Importance of Paper and Printing in Singapore

Beyond size, the tactile experience of a wedding invitation is paramount. In Singapore, couples have access to a wide array of paper stocks and printing techniques that can elevate their stationery from simple announcements to treasured keepsakes.

Wedding Invitation SG: Size, Style, and Singapore Trends photo 1

Paper Weight: Paper weight is typically measured in grams per square meter (gsm). For wedding invitations, weights ranging from 250 gsm to 350 gsm are common, offering a substantial feel without being overly bulky. Thicker papers, such as those used for letterpress, can range from 600 gsm upwards.

Printing Techniques:

Local printing companies in Singapore can guide couples through these options, helping them understand the impact of each technique on both aesthetics and budget. Working with a vendor familiar with the Singapore market ensures a smoother process, from design proofing to timely delivery. Many local vendors also offer convenient all-in-one packages that can include design, printing, and envelopes.

While classic elegance remains a perennial favourite, contemporary wedding invitation design in Singapore embraces a variety of styles. Couples are increasingly looking to express their personality and the unique narrative of their relationship through their stationery.

Couples often seek vendors that can offer custom design services to perfectly align with their wedding theme and colour palette. The Aurora Wedding, for instance, is known for bundling various wedding services, which can include design and print for stationery as part of broader packages.

Insider Tips for Wedding Invitations in Singapore

  1. Factor in Mailing Time: Singapore's postal service is generally efficient, but it's wise to send out invitations at least six to eight weeks before the wedding date, especially if you have international guests. This buffer allows for any unexpected delays.
  2. Proofread Relentlessly: Before finalising the print order, meticulously proofread every detail. Have multiple people review the text for typos, incorrect dates, or venue names. Small errors can be costly to rectify after printing.
  3. Consider a 'Wedding Website' Card: For modern weddings with extensive details, a small insert card directing guests to a wedding website for accommodation, transport, and FAQs is a practical solution. This helps keep the main invitation clean and concise.
  4. Local Postal Considerations: Ensure your invitation size and weight comply with SingPost's regulations for standard letter postage. Unusual sizes or excessive weight might incur additional charges for guests or yourselves, depending on how you plan to mail them.
  5. Envelope Linings and Seals: A small detail like a custom envelope lining or a wax seal can add a significant touch of luxury and personality without drastically altering the card's primary size.

Your wedding invitation is more than just an announcement; it's a piece of art that anticipates your special day. By carefully considering the size, paper, printing technique, and design in the context of Singapore's unique market, couples can create stationery that perfectly captures the essence of their upcoming celebration.

Frequently Asked Questions about Wedding Invitations in Singapore

What is the standard wedding invitation card size in SG? In Singapore, the most common international standard sizes are ISO A6 (105 x 148 mm) and ISO A5 (148 x 210 mm). The North American 5 x 7 inch (127 x 178 mm) size is also widely used and supported by local printers and envelope suppliers.

What is the difference between A5 and A6 invitation sizes? A6 is a smaller, postcard-like size (105 x 148 mm), often used for RSVP cards or smaller announcements. A5 is significantly larger (148 x 210 mm) and offers more space, typically used for main invitations or for designs requiring more detail.

Wedding Invitation SG: Size, Style, and Singapore Trends photo 2

How much does a wedding invitation cost in Singapore? Wedding invitation costs in Singapore can vary widely, from around SGD 3 to SGD 20 per invitation, depending on the paper quality, printing technique, complexity of design, and quantity ordered. High-end options like letterpress or foil stamping will increase the per-piece cost.

What is the standard birthday invitation size? For birthday invitations, common sizes often mirror those used for wedding stationery. ISO A6 (105 x 148 mm) and the North American A-2 (4.25 x 5.5 inches) are popular for general birthday cards, while A5 or 5x7 inches might be chosen for milestone birthdays or more formal celebrations.

How far in advance should wedding invitations be sent out in Singapore? It is generally recommended to send out wedding invitations in Singapore six to eight weeks before the wedding date. For destination weddings or if many guests are travelling from overseas, sending them out 8 to 12 weeks in advance is advisable.

What is the average invitation card size for general use? The average invitation card size for various events, including birthdays or anniversaries, often falls between the dimensions of ISO A6 (105 x 148 mm) and A5 (148 x 210 mm), or the North American 5 x 7 inch standard. These sizes offer a good balance between presentation and practicality.

Can I use North American sizes like 5x7 inches for my wedding invitation card in Singapore? Yes, the 5x7 inch (127 x 178 mm) size is very common in Singapore and is well-supported by local printers and envelope manufacturers. It pairs with the standard A7 envelope size.

What is the best way to check wedding invitation card designs in Singapore? Many wedding vendors in Singapore, such as The Aurora Wedding, offer viewing of their wedding portfolios online or in-person. Visiting studios, reviewing sample packs, and discussing customisation options with designers are also effective ways to explore designs.

How to choose an envelope for my wedding invitation? Ensure the envelope size is slightly larger than your invitation card, typically by about 3-6 mm in both width and height. For a 5x7 inch card, an A7 envelope is ideal. For ISO sizes, match them accordingly (e.g. A6 card with C6 envelope).

Are square invitations a good choice for wedding invitations in Singapore? Square invitations, while visually striking, often incur additional postage charges from SingPost as they may be classified as non-machinable. Unless the aesthetic is paramount, standard rectangular sizes are usually more cost-effective for mailing.

Wedding Invitation SG: Size, Style, and Singapore Trends photo 3

What is a wedding card invitation size in cm? When measured in centimeters, common wedding invitation sizes include 10.5 x 14.8 cm (A6), 14.8 x 21 cm (A5), and 12.7 x 17.8 cm (equivalent to 5x7 inches).

Frequently asked questions

What is the standard wedding invitation card size in SG?
In Singapore, the most common international standard sizes are ISO A6 (105 x 148 mm) and ISO A5 (148 x 210 mm). The North American 5 x 7 inch (127 x 178 mm) size is also widely used and supported by local printers and envelope suppliers.
What is the difference between A5 and A6 invitation sizes?
A6 is a smaller, postcard-like size (105 x 148 mm), often used for RSVP cards or smaller announcements. A5 is significantly larger (148 x 210 mm) and offers more space, typically used for main invitations or for designs requiring more detail.
How much does a wedding invitation cost in Singapore?
Wedding invitation costs in Singapore can vary widely, from around SGD 3 to SGD 20 per invitation, depending on the paper quality, printing technique, complexity of design, and quantity ordered. High-end options like letterpress or foil stamping will increase the per-piece cost.
What is the standard birthday invitation size?
For birthday invitations, common sizes often mirror those used for wedding stationery. ISO A6 (105 x 148 mm) and the North American A-2 (4.25 x 5.5 inches) are popular for general birthday cards, while A5 or 5x7 inches might be chosen for milestone birthdays or more formal celebrations.
How far in advance should wedding invitations be sent out in Singapore?
It is generally recommended to send out wedding invitations in Singapore six to eight weeks before the wedding date. For destination weddings or if many guests are travelling from overseas, sending them out 8 to 12 weeks in advance is advisable.
What is the average invitation card size for general use?
The average invitation card size for various events, including birthdays or anniversaries, often falls between the dimensions of ISO A6 (105 x 148 mm) and A5 (148 x 210 mm), or the North American 5 x 7 inch standard. These sizes offer a good balance between presentation and practicality.
Can I use North American sizes like 5x7 inches for my wedding invitation card in Singapore?
Yes, the 5x7 inch (127 x 178 mm) size is very common in Singapore and is well-supported by local printers and envelope manufacturers. It pairs with the standard A7 envelope size.
What is the best way to check wedding invitation card designs in Singapore?
Many wedding vendors in Singapore, such as The Aurora Wedding, offer viewing of their wedding portfolios online or in-person. Visiting studios, reviewing sample packs, and discussing customisation options with designers are also effective ways to explore designs.
How to choose an envelope for my wedding invitation?
Ensure the envelope size is slightly larger than your invitation card, typically by about 3-6 mm in both width and height. For a 5x7 inch card, an A7 envelope is ideal. For ISO sizes, match them accordingly (e.g. A6 card with C6 envelope).
Are square invitations a good choice for wedding invitations in Singapore?
Square invitations, while visually striking, often incur additional postage charges from SingPost as they may be classified as non-machinable. Unless the aesthetic is paramount, standard rectangular sizes are usually more cost-effective for mailing.
What is a wedding card invitation size in cm?
When measured in centimeters, common wedding invitation sizes include 10.5 x 14.8 cm (A6), 14.8 x 21 cm (A5), and 12.7 x 17.8 cm (equivalent to 5x7 inches).
J
About the author

Founder & Lead Photographer, The Aurora Wedding

Justin Ng is the founder of The Aurora Wedding, a Singapore-based bridal studio specialising in wedding photography, videography, gowns, and ROM solemnisation packages. Before launching The Aurora Wedding, he was recognised as one of Asia's Top 30 Signature Wedding Photographers, with 1000+ weddings covered across Singapore, Bali, and the region. He writes about Singapore wedding planning, pricing, ROM logistics, and the realities couples face budgeting their big day.

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