How much does an envelope weigh? All Types

A standard, empty envelope typically weighs around 6-7 grams, which is equivalent to approximately 0.2-0.25 ounces or 0.002-0.003 pounds.

Types of Envelopes and Weight

This lightweight design makes it an ideal choice for sending letters, cards, or important documents through postal services. Envelopes are versatile and come in various sizes, but their weight is consistently minimal to ensure cost-effective and efficient mailing.

Booklet Envelopes

Size Range	Weight (Grams)	Weight (Pounds)	Weight (Ounces)
Small (6″ x 9″)	9 – 11 g	0.020 – 0.024 lbs	0.32 – 0.38 oz
Medium (9″ x 12″)	12 – 14 g	0.026 – 0.031 lbs	0.41 – 0.49 oz
Large (10″ x 13″)	15 – 17 g	0.033 – 0.037 lbs	0.53 – 0.60 oz

Catalog Envelopes

Size Range	Weight (Grams)	Weight (Pounds)	Weight (Ounces)
Small (6″ x 9″)	10 – 12 g	0.022 – 0.026 lbs	0.35 – 0.41 oz
Medium (9″ x 12″)	13 – 15 g	0.029 – 0.033 lbs	0.46 – 0.53 oz
Large (10″ x 13″)	17 – 19 g	0.037 – 0.042 lbs

Banker Envelopes

Size Range	Weight (Grams)	Weight (Pounds)	Weight (Ounces)
#6 1/4 (3.5″ x 6″)	5 – 10 g	0.011 – 0.022 lbs	0.18 – 0.35 oz
#9 (3.875″ x 8.875″)	8 – 15 g	0.018 – 0.033 lbs	0.29 – 0.53 oz
#10 (4.125″ x 9.5″)	15 – 25 g	0.033 – 0.055 lbs	0.53 – 0.88 oz

Business Envelopes

Size Range	Weight (Grams)	Weight (Pounds)	Weight (Ounces)
#6 3/4 (3.625″ x 6.5″)	5 – 10 g	0.011 – 0.022 lbs	0.18 – 0.35 oz
#9 (3.875″ x 8.875″)	8 – 15 g	0.018 – 0.033 lbs	0.29 – 0.53 oz
#10 (4.125″ x 9.5″)	15 – 25 g	0.033 – 0.055 lbs	0.53 – 0.88 oz

Window Envelopes

Size Range	Weight (Grams)	Weight (Pounds)	Weight (Ounces)
#9 (3.875″ x 8.875″)	8 – 15 g	0.018 – 0.033 lbs	0.29 – 0.53 oz
#10 (4.125″ x 9.5″)	15 – 25 g	0.033 – 0.055 lbs	0.53 – 0.88 oz
6″ x 9″	25 – 35 g	0.055 – 0.077 lbs	0.88 – 1.23 oz

A Style Envelopes

Size Range	Weight (Grams)	Weight (Pounds)	Weight (Ounces)
A2 (4.375″ x 5.75″)	5 – 10 g	0.011 – 0.022 lbs	0.18 – 0.35 oz
A7 (5.25″ x 7.25″)	10 – 20 g	0.022 – 0.044 lbs	0.35 – 0.71 oz
A9 (5.75″ x 8.75″)	20 – 30 g	0.044 – 0.066 lbs	0.71 – 1.06 oz

Announcement Envelopes

Size Range	Weight (Grams)	Weight (Pounds)	Weight (Ounces)
A2 (4.375″ x 5.75″)	5 – 10 g	0.011 – 0.022 lbs	0.18 – 0.35 oz
A6 (4.75″ x 6.5″)	10 – 15 g	0.022 – 0.033 lbs	0.35 – 0.53 oz
A7 (5.25″ x 7.25″)	15 – 20 g	0.033 – 0.044 lbs	0.53 – 0.71 oz

Baronial Envelopes

Size Range	Weight (Grams)	Weight (Pounds)	Weight (Ounces)
4-Bar (3.625″ x 5.125″)	5 – 10 g	0.011 – 0.022 lbs	0.18 – 0.35 oz
5-Bar (4.125″ x 5.5″)	10 – 15 g	0.022 – 0.033 lbs	0.35 – 0.53 oz
6-Bar (4.5″ x 6.25″)	15 – 20 g	0.033 – 0.044 lbs	0.53 – 0.71 oz

How much does an envelope with a single sheet of paper weigh?

To figure out how much a letter with one piece of paper weighs, we look at both the envelope and the paper:

Envelope Weight:

A regular business envelope (#10) is usually about 6-7 grams (0.21-0.25 ounces).
Other envelope sizes can have different weights based on their size and material.

Paper Weight:

A standard sheet of 8.5″ x 11″ printer paper (20 lb weight) is around 4.5 grams (0.16 ounces).
Paper weight may change depending on its thickness, size, and material.

So, the total weight of an envelope with one sheet of paper is:

Total Weight = Envelope Weight + Paper Weight

Using the standard examples:

Regular business envelope (#10) + single sheet of printer paper: 6-7 grams (envelope) + 4.5 grams (paper) = 10.5-11.5 grams ≈ 0.37-0.41 ounces ≈ 0.004-0.005 pounds.

How much does an envelope with a greeting card weigh?

A standard envelope with a greeting card weighs approximately 15-20 grams, which is equivalent to 0.53-0.71 ounces or 0.005-0.008 pounds. This weight can vary depending on the size and weight of the greeting card and whether it has any embellishments like glitter or ribbon.

What are some tips for reducing the weight of an envelope?

Use a smaller envelope: Smaller envelopes naturally weigh less than larger ones. Opt for a size that fits your contents snugly without being cramped.
Choose lightweight paper: Look for envelopes made from thin, lightweight paper instead of thick, heavy stock. Some options include tissue paper, airmail paper, and recycled paper.
Consider using a self-sealing envelope: Self-sealing envelopes eliminate the need for additional closure materials like tape or stickers, which can add weight.
Avoid envelopes with embellishments: Decorative elements like glitter, ribbons, and embossing can add significant weight. Opt for a simple, plain envelope for maximum weight savings.