Mail Piece Weight Calculator

Calculate total mail piece weight from paper sheets, envelope, and inserts. Determine USPS postage class and estimated cost.

Paper Sheets

Paper Weight (lb bond)

Envelope Weight (oz)

Insert Cards/Extras

Insert Weight Each (oz)

Tab to move between fields

Total Weight

0.83 oz

Estimated Postage

$0.73

Total Weight23.53 g

Postage Class1

Overweight Surcharge$0.00

How to Use This Calculator

Enter Paper Sheets, Paper Weight (lb bond), and Envelope Weight (oz).
Set Insert Cards/Extras and Insert Weight Each (oz).
Review Total Weight (oz) and Estimated Postage ($).
Use Total Weight and Postage Class to inform your decision.
Use the chart to visualize the results and explore different scenarios by adjusting inputs.

How the result changes with Paper Sheets

Paper Sheets: Number of letter-size paper sheets in the mailing.
Paper Weight (lb bond): Paper weight in bond pounds. Common: 20 lb (copy), 24 lb (letterhead), 28 lb (resume).
Envelope Weight (oz): Weight of the envelope alone. #10 envelope: ~0.25 oz, 9x12: ~0.5 oz.
Insert Cards/Extras: Number of additional inserts (business cards, reply cards, brochures).
Insert Weight Each (oz): Weight of each insert card or piece in ounces.

Identify Input Parameters
4 parameters
Paper Sheets = 3, Paper Weight (lb bond) = 20, Envelope Weight (oz) = 0.25, Insert Cards/Extras = 1 = 5 input(s) provided
Calculate Total Weight
Total Weight
0.83 = 0.83
Calculate Estimated Postage
0.73 = $0.73
Calculate Total Weight
Total Weight
23.53 = 23.53
Calculate Postage Class
1 = 1