Postage Calculators

Postage Rate Calculator

Easily calculate retail postage rates and estimated delivery times http://postcalc.usps.gov/

Calculate domestic postage for all volume discount mail http://dbcalc.usps.gov/ieframe.htm

Determine how much your campaign will cost and measure its success with this Return on Investment (ROI) calculator
http://www.usps.com/directmail/_xls/ROI.xls