Britain's royal wedding in numbers
London - The marriage of Prince William and Kate Middleton on Friday is the biggest royal event in Britain for 30 years. Here are a few key numbers for the day:
-- One gold ring: Only Kate will receive one during the ceremony, William having opted not to wear the traditional marriage band.
-- Two wedding cakes: The traditional fruit cake and a special chocolate biscuit cake, a childhood favourite of the groom.
-- Four bridesmaids: They will accompany Kate down the aisle, along with two pageboys and a maid of honour, her sister Pippa.
-- Six exes: William and Kate have invited some of their old flames.
-- 10 bells at Westminster Abbey: They will rang out for half an hour before the marriage ceremony and for three hours after.
-- 13 wives: Which one will King Mswati II of Swaziland bring with him?
-- 17°C: The maximum temperature expected in London on Friday.
-- 35 sniffer dogs: As part of a major security operation, they will seek out any potential bombs.
-- 39 musicians: The London Chamber Orchestra will play at the service, tucked away in the loft of the abbey.
-- 31m high: the vault at Westminster Abbey.
-- 160 horses: The military will put on their best ceremonial uniforms to line the route and escort the royal couple.
-- 775 rooms at Buckingham Palace: including 19 state rooms, 52 royal and guest bedrooms, 92 offices and 78 bathrooms.
-- 1 900 guests: the lucky ones who received invitations.
-- 5 500 street parties: Britain celebrates a public holiday.
-- 11 000 security barriers: to keep the crowds back along the procession route between Westminster Abbey and Buckingham Palace.
-- 2.5 million cocktail sausages: sold by Marks and Spencers for the celebrations.
-- 3.5 million mugs: William and Kate have spawned a multitude of souvenirs.
-- Two billion viewers: Ministers expect a massive global television audience.