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Postage Stamp Calculator 2.01 Calculate the minimum number of stamps required for any postage.*

Just follow the steps below.
1) What stamps do you have?
I'll remember your entries for your next visit.

I have some...
46¢ stamps remove

Add stamps to the list:
I also have stamps worth $ each.

2) Enter postage due

Postage due:
$
Quick shipping rate clicks:
(updated for new US Postal Service rates starting Jan 27, 2013)

Postcard: 33¢
First Class letter (1 oz): 46¢
First Class letter (2 oz): 66¢
First Class large envelope (1 oz): .92¢
First Class large envelope (2 oz): $1.12
Priority Mail (Flat rate envelope): $5.60
Priority Mail (Small Flat rate box): $5.80
Priority Mail (Medium Flat rate box): $12.35
Priority Mail (Large flat rate box): $16.85
Media Mail (1 lb): $2.53
Media Mail (2 lbs): $2.98
USPS postage guide
USPS postage calculator
You need this many stamps:

46¢ stamps: 24



* Tries to find the absolute minimum but may miss by a stamp or a few cents
Updates:
Aug 12, 2006 v1.02: Fixed floating point rounding error
Dec 27, 2008 v1.03: Fixed problem where .42ยข stamps couldn't be removed. To fix, click this: reset cookie (NOTE: you'll have to re-enter your stamps).
May 11, 2011 v1.04: Updated USPS postal rates
Jan 9, 2012 v2.01: Updated USPS postal rates for Jan 22, 2012 increases
Feb 5, 2013 v2.02 Updated USPS postal rates for Jan 27, 2013 increases
it's another utility from fancyham.com