CALCULUS / LONDON / 3575
Saturday Freemasonry.
A century of friendship.
Calculus Lodge brings together men from different backgrounds for thoughtful ceremony, genuine fellowship and a first-rate Festive Board in the heart of London.
1912
Consecrated in London
4
Saturday meetings each year
GQS
Freemasons’ Hall
20+
Members and growing
01 / WHY CALCULUS
Built around Saturdays. Built to last.
Our Saturday meetings make Freemasonry workable for men whose weekdays are already full. We take the ceremony seriously, welcome visitors warmly and make sure the fellowship continues well beyond the Lodge room.
Families, friendship and charitable giving are part of Lodge life—not material added to make a website sound impressive.
02 / LODGE LIFE
More than the meeting.
A proper welcome
New members and visiting Brethren are looked after from the first enquiry to the Festive Board.
Friendship with substance
Members come from different professions, places and generations, united by shared values.
Giving something back
Calculus supports charitable causes and encourages members and families to take part.
03 / FROM THE LODGE
Latest from Calculus.
Curious about Freemasonry?
You do not need to know a Freemason to start a conversation. Tell us a little about yourself and we will explain what happens next.