USPS Rate Chart

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USPS Flat Rate Options

TypeSizeEasyPost Predefined PackagePrice
Letter Envelope12 1/2" x 9 1/2"FlatRateEnvelope$5.75
Gift Card Envelopes10" x 7"FlatRateGiftCardEnvelope$5.75
Window Envelopes10" x 5"FlatRateWindowEnvelope$5.75
Small Envelopes10" x 6"SmallFlatRateEnvelope$5.75
Padded Envelopes12 1/2" x 9 1/2"FlatRatePaddedEnvelope$6.30
Legal Envelopes15" x 9 1/2"FlatRateLegalEnvelope$6.05
Small Box8 11/16" x 5 7/16" x 1 3/4"SmallFlatRateBox$6.25
Medium Boxes11 1/4" x 8 3/4" x 6" or 14" x 12" x 3 1/2"MediumFlatRateBox$12.05
Large Box12 1/4" x 12 1/4" x 6"LargeFlatRateBox$16.55
Large Board Game Box23 11/16" x 11 3/4" x 3"LargeFlatRateBoardGameBox$16.55

Note: Rates are ESTIMATED. When you purchase postage, these rates may differ.

Last Update: February 23, 2018.

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