How is postage calculated?
For First-Class Mail, shape and weight will determine the price. For Priority Mail, the price is a combination of weight, size, and how far the mailpiece is traveling. Priority Mail pieces that exceed one cubic foot, are subject to "dimensional weight pricing".If your letter is a standard-sized envelope and weighs 3.5 ounces or less, you will need one stamp. Large envelopes. This includes 9×12, legal, and manila envelopes, Two stamps are needed for the first ounce, and postage will be an additional $0.20 cents after.Introduction to Japan Post (Nihon Yubin)

Also, with Post Office located almost everywhere in Japan, Japan Post is considered the most accessible. The benefit of using a National Post is that it's budget-friendly, comparing to Yamato Transport and Sagawa Express.

How much does it cost to send a package in JapanBasic shipping fee

Weight Shipping fee
Within 150g 180 yen
Within 250g 215 yen
Within 500g 310 yen
Within 1kg 360 yen

Is it cheaper to ship by weight or box size

If your package is heavy or small, you don't need to worry about dimensional weight. You'll pay for USPS shipping (or shipping with other carriers) based solely on the actual package weight. However, if you ship something relatively light in a large box, you may pay more than you expected.A standard letter that weighs under one (1) ounce will require 55 cents of postage to mail in 2020. USPS charges extra postage for any weight above that amount. In 2020, USPS charges an extra 15 cents for each additional ounce.

How do you calculate shipping costs

How to calculate shipping costs

  1. Package dimensions. All major carriers use a pricing technique called dimensional weight (also called DIM weight) to calculate shipping rates.
  2. Package weight.
  3. Shipping destination.
  4. Value of contents shipped.
  5. Delivery times.
  6. Unexpected problems.


SingPost currently charges 31 cents and 38 cents for standard regular mail weighing up to 20g and 40g respectively. Standard large mail of up to 500g will have a flat rate of 80 cents from Oct 9.

What is the cheapest way to send a parcel from Japan

Japan Post's International Parcel Delivery is the cheapest international shipping from Japan via surface mail. Japan Post's International Parcel Delivery via SAL (Economy Air) is the second cheapest option. To see comparison charts for your parcel, input your details in Japan Post's online calculator.USPS

USPS is generally the cheapest way to ship large packages to Japan from the US. The carrier's flat-rate service ensures that you pay only for the size of the box and not its weight.Japan Post's International Parcel Delivery is the cheapest international shipping from Japan via surface mail. Japan Post's International Parcel Delivery via SAL (Economy Air) is the second cheapest option. To see comparison charts for your parcel, input your details in Japan Post's online calculator.

UK postage rates and prices:

Parcel Weight: Price:
1Kg From £4.25 plus VAT
5Kg From £5.15 plus VAT
10Kg From £6.77 plus VAT

Is it cheaper to send a 20 lb box UPS or USPSIn general, however, USPS is your best bet if your heavy package is below 70 pounds or below (they don't ship packages over 70 pounds). If your package is over 70 pounds, UPS Ground and FedEx Ground are the cheapest (but slowest) shipping options.

What’s the cheapest way to send a packageUSPS Priority Mail

USPS Priority Mail is generally the cheapest shipping service for 2-3 day shipping. FedEx, UPS, and other courier companies offer delivery services with similar lead time expectations, but USPS offers the lowest rates.

How do you calculate postage by weight

Weigh Your Item and Round Up

When calculating the postage price for your package, USPS rounds up the weight (to the next pound for most heavier packages or to the next available ounce-rate for some lightweight packages). This applies to all mail classes—domestic and international.

How Many Stamps Do I Need For a Letter to the United States

Weight Postage
1 ounce ($0.66) One Domestic Forever stamp ($0.66)
2 ounces ($0.90) One Domestic Forever stamp, and one 24¢ Additional Ounce stamp ($0.90) Or you can overpay by $0.42 using two Domestic Forever stamps ($1.32)

For example, as of 2021, the cost to ship a 1 oz letter via First-Class Mail is $0.55, while the cost to ship a 10 lb package via Priority Mail ranges from $7.35 to $45.95, depending on the distance. The cost to ship a package via Express Mail ranges from $26.50 to $72.50, depending on the weight and destination.USPS shipping costs are calculated based on weight and distance traveled. Packages weighing less than one pound start at $2.74 via USPS First Class Package Service.If your package weighs one pound, you'll want to use USPS Priority Mail which starts at $7.02 with Shippo's special Cubic pricing.