Full UK 2021 postage calculator for Royal Mail and Parcelforce (including franked and international prices).

Updated to include the 1st January 2021 postage rates and xmas 2020 posting dates. For the first time in 20+ years Royal Mail haven't changed postage prices this March/April.

The postage rate changes for September 2020 and July 2020 were included in the previous updates.

Postage Pro is the most popular and regularly updated postage app since 2012.

Full postage rates for letters, large letters, small parcels and packets going to the UK and overseas. Save money with advanced checking to see if your item could be sent cheaper (see screenshots for details).
Very useful for ebay / amazon / etsy sellers.
Includes the price you'd pay at the Post Office counter, and the Royal Mail franked tariff.
Postage Pro UK accepts item weights in grams / kg / ounces and pounds.
Other useful features:
a detailed description of each service is available
automatic switching to Parcelforce for heavier items
automatic calculation of the most efficient way to use 1st/2nd class stamps (eg. for a parcel costing £10.00, use 4x1st class and 10x2nd class)
a size guide in both cm and inches
a handy shopping basket (to calculate totals, unfortunately you can't pay for postage with this app)
xmas posting dates

Check the screenshots to see this app in action.

Updated 16th March 2021.
Just a mini update to let you know that for the first time in 20+ years Royal Mail haven't changed postage prices this March/April.