Royal Mail Pricing in Proportion and BFPO size guidelines

Royal Mail now base their postal charges on size as well as weight. Ensure you keep your postage costs to a minimum by selecting the most suitable products from our range.

Pricing In Proportion size	Letter	Large Letter	Packet	Standard Parcel
Maximum length	240 mm	353 mm	610 mm (900mm for tubes)	> 610 mm OR
Maximum width	165 mm	250 mm	460 mm	> 460 mm OR
Maximum height	5 mm	25 mm	460 mm	> 460 mm
Maximum weight	100 g	750 g	none	20kg
Typical UK 1st class postage cost*	60p	90p (100g) £2.30 (500g)	£2.70 (100g) £4.30 (751g)	£5.30 (2kg) £18.80 (10kg)
Examples
Greetings cards
Folded letters
Unfolded A4 documents
CDs / DVDs
Magazines
Posters
Clothing
Computer
Suitable postal products from our range
White Postal Boxes	none	220 x 190 x 20 mm 240 x 210 x 20 mm	all other sizes	N/A
Brown Postal Boxes	none	220 x 190 x 20 mm 240 x 210 x 20 mm	all other sizes	N/A
Padded Envelopes	Size A Size B Size C	Size D Size E Size F Size G	all other sizes	N/A
Mailing Bags	none	225 x 318 mm 250 x 350 mm	300 x 400 mm 400 x 525 mm 425 x 600 mm 450 x 550 mm	525 x 600 mm 575 x 700 mm

KEY = Suitable - = Unsuitable - * Prices liable to change, last updated 14/05/12