How Much Does a Stamp Cost in Canada? Postage Rates Explained
Meta description: Find out how much a stamp costs in Canada, what Canadian postage covers, and how to mail domestic, U.S., and international letters without underpaying.
For a standard letter mailed within Canada, the price of a stamp depends on when it is purchased and whether it is a single stamp or part of a booklet or coil. As of the Canada Post rates effective May 12, 2026, a domestic Permanent stamp costs $1.44 when bought individually or $1.24 per stamp in a booklet or coil. U.S. and international letters require different postage. Weight, size, and destination can also change the cost, so checking the current Canada Post rate before mailing is important.
A Permanent stamp is a Canada Post stamp designed to cover the price of a standard domestic letter regardless of future rate increases. It does not display a dollar amount; its value is tied to the applicable standard-letter rate within Canada. That can make it convenient for households and businesses that keep stamps on hand and mail letters over time.
The word “Permanent” does not mean unlimited postage. The stamp is intended for a qualifying letter sent within Canada. It does not automatically pay for a letter to the United States or another country, a heavier or oversized letter, or a parcel. Those items may need additional postage or a different service.
Older Permanent stamps remain useful for eligible domestic letters because their postage value adjusts with the standard-letter rate. Older denominated stamps work differently: their printed face value stays the same. If the required postage exceeds that value, the sender must add stamps or pay the balance at a post office.
Why Stamp Prices Differ
The amount needed to mail an item depends on more than its destination. Canada Post classifies mail according to factors such as weight, dimensions, format, and service. A small, lightweight envelope may qualify as a standard letter, while a thick, rigid, or unusually shaped envelope may be charged at a different rate even if it contains only a few pages.
- Weight: Letters are priced within weight bands. A letter above the standard weight limit needs more postage.
- Size and thickness: A large, bulky, or non-standard envelope may fall outside the standard-letter category.
- Destination: Domestic, U.S., and international mail have separate rates.
- Delivery service: Tracking, insurance, and faster or guaranteed services generally cost more than basic letter mail.
- Purchase format: In the 2026 rate schedule, a stamp bought individually costs more than the per-stamp price in a booklet or coil.
For that reason, a stamp’s price is not necessarily the full cost of mailing every letter. The standard rate is a starting point for qualifying mail; the item itself must meet the relevant requirements.
Domestic, U.S., and International Postage
Mailing a letter within Canada
A standard letter weighing up to 30 grams can be mailed within Canada with one domestic Permanent stamp, subject to the current rate and format requirements. The 2026 booklet or coil price is $1.24 per stamp. A single stamp purchased separately is $1.44. Heavier letters, larger envelopes, and non-standard items need a rate check before they are mailed.
For a letter that is close to the weight limit, weighing it is more reliable than estimating by appearance. A few extra pages, a greeting card, or a rigid insert can move an envelope into a higher rate category. A postal scale or a visit to a Canada Post counter can help confirm the correct postage.
Mailing a letter to the United States
The 2026 rate for a standard letter weighing up to 30 grams and addressed to the United States is $1.75. A domestic Permanent stamp by itself does not cover this rate. If a sender uses domestic stamps, their total postage value must meet the U.S. rate; another option is to buy postage specifically for U.S.-bound mail.
International mail can be subject to restrictions, and delivery times are not the same as guaranteed delivery. For valuable or time-sensitive documents, senders can compare available services at Canada Post rather than relying on basic letter mail.
Mailing a letter to another country
The 2026 rate for a qualifying international letter weighing up to 30 grams is $2.92. The rate applies to eligible destinations and letter formats, but it does not mean that every item can be mailed as a letter. A thicker envelope, merchandise, or a parcel may require a different product, customs information, or a separate postage calculation.
International delivery may also involve customs screening, local postal handling, or delays outside Canada Post’s control. Senders should confirm the destination’s mailing rules and the current price before sending anything important.
What Counts as a Standard Letter?
“Standard letter” refers to a mail category with defined limits, not simply any envelope that looks ordinary. Canada Post sets requirements for weight and physical dimensions. Mail that exceeds a limit or has features that prevent standard machine processing may be charged as a non-standard or oversize item.
Envelopes containing photographs, invitations, cards, or several sheets of paper can vary significantly in weight and thickness. A rigid document mailer or padded envelope is particularly unlikely to qualify as a standard letter. When an item does not fit the standard category, the postage cost can be higher than the price of one Permanent stamp.
Before sealing an unusual or full envelope, check the current Canada Post guide for letter dimensions and pricing. If it does not meet the standard limits, a postal counter can determine whether it should be sent as oversize mail, a parcel, or through another service.
How to Avoid Underpaying for Postage
- Identify the destination. Decide whether the item is going within Canada, to the United States, or to another country.
- Check the format. Confirm that the envelope meets the current size and thickness requirements for standard letter mail.
- Weigh the complete item. Include the envelope, contents, and any inserts or protective materials.
- Use the current rate. Consult Canada Post’s official pricing information rather than relying on an old price label or an outdated online answer.
- Add postage when needed. If using denominated stamps, make sure their combined value meets the required amount. Do not assume one domestic stamp is enough for international mail.
- Keep proof for important mail. Consider a tracked or other suitable service when delivery confirmation, tracking, or additional protection matters.
Underpaid mail may be delayed, returned, or subject to postage owing, depending on the circumstances. Getting the correct rate before mailing helps avoid extra handling and inconvenience for both sender and recipient.
Where to Buy Canadian Stamps
Canada Post stamps are available at post offices and through the Canada Post website. Some authorized retailers also sell stamps. Booklets and coils can reduce the per-stamp price compared with buying a single stamp, depending on the rate schedule and product available.
When buying stamps for later use, it is useful to distinguish Permanent stamps from stamps marked with a dollar value. Permanent stamps are designed for the eligible domestic standard-letter rate. A denominated stamp provides the face value printed on it, and additional postage may be needed as rates change.
How to Check the Current Canada Post Rate
Because postal rates change, the safest way to answer “How much does a stamp cost in Canada?” is to check the date and the type of mail involved. Start with Canada Post’s official letter-mail prices and confirm the destination, weight, and format. For parcels or services such as tracking, use the relevant Canada Post calculator or ask a postal clerk.
Search results and older articles may show a previous rate, particularly when they do not identify an effective date. A price tied to a dated Canada Post announcement is more useful than an undated figure. For this reason, the figures in this article are labeled as rates effective May 12, 2026, rather than presented as a guarantee of the price in force today.
Quick Answers About Canadian Stamp Costs
- How much is a Canadian domestic stamp? At the rates effective May 12, 2026, the standard domestic rate is $1.24 per stamp in a booklet or coil, or $1.44 for a single stamp.
- Can one Permanent stamp mail any letter in Canada? No. It covers a qualifying standard domestic letter, not necessarily an overweight, oversized, or non-standard item.
- Can a domestic stamp be used for U.S. mail? It can contribute postage, but its value alone does not cover the 2026 $1.75 U.S. letter rate.
- How much is international letter postage? The 2026 rate for an eligible letter weighing up to 30 grams is $2.92. Destination and format requirements still apply.
- Do old stamps expire? Permanent stamps remain tied to the standard domestic letter rate. Stamps showing a dollar amount retain that printed value and may need to be combined with other postage.