There is no definite answer to this question, but as per fan theories, Monica and Chandler were around 31 and 33 years old when they got married on Friends.
Monica and Chandler's birthdays were never stated officially in the series. Deducing their age is all in the speculation game and the little clues given in certain episodes.
For example, in one episode "The One With The Ick Factor" it was revealed that Monica was 26 years old. The show aired in 1995 which then made sense that at the beginning of the series, Monica would be around 25 years old. Coming to Chandler, he is two years older than Monica. As he and Ross went to college together, it would be safe to assume that he would have been around 26 at the beginning of the show.
Talking about their wedding, the two got hitched in the seventh season. Hence, according to the fandom and their theories, Monica was around 31 and Chandler was around 33 at the time of their wedding.
Who is Chandler Bing?
Chandler Bing was portrayed by Matthew Perry. His character was known for using sarcasm very often as his defense mechanism. In the show, Chandler was often seen being the bold one and was questioned about his constant joking and brash demeanor. Even though his character was emotionally unavailable due to his complicated childhood, Chandler was financially the most stable out of all the others.
Even though he had a great position that paid well, Chandler was often seen cribbing about not liking what he was doing as a job. In season 9 he finally quits and joins an advertising agency as a junior copywriter, even though he knew he had to begin from scratch.
Due to his parents and their separation, Chandler suffered from commitment issues and would manage to link all his problems with his parents' tumultuous relationship and split. Overall, Chandler was a gem of a person on the show and shared a warm bond with all his other friends.
Who was Monica Geller?
Portrayed by Courtney Cox, Monica was known to be the mother hen of the group. Apart from her catchphrase "I Know", Monica was known for her cleanliness, orderliness, bossiness and competitive behavior. Just like Chandler, Monica too had somewhat of a tough childhood. Due to her parents favoring her brother Ross over her and her obesity, Monica turned out to be very competitive and bossy and makes sure that she has everything under control.
Her obsessive cleaning habit made Phoebe Buffay, her first roommate and best friend, leave the house and stay alone for the sake of their friendship. Well, even though Monica was pretty bossy throughout the series, she even made sure she helped her friends in any which ways possible. Eg: She allowed her best friend Rachel Green to stay in her apartment till she sorts her life out. Talking about her career, Monica worked as a chef and was known for making delicious food every now and then for her friends on the show.
When did Monica and Chandler get married?
Chandler and Monica's love story is pretty adorable and the longest one on the show. For the two it first began through meaningless sex, when Monica was depressed over Ross getting married once again and her mom taunting her over it. Their first thought was to stop and remain great friends, however it fails and the two begin a relationship by season four. After a good amount of dating, in the season 7 episode "The One With Monica And Chandler's wedding, the two get hitched on the show.
Do Monica and Chandler have children?
Not biologically, but yes, Monica and Chandler do choose the option to adopt kids through surrogacy as they fail to conceive due to infertility. Their surrogate mother Erica (Anna Faris) gives birth to twins (Jack and Erica) at the end of the final season.
FAQs
Q. Did Monica have a crush on Chandler since the start?
A. Monica did have a crush on Chandler when they were young, when Bing was in college with Ross.
Q. How did Monica lose weight?
A. After hearing Chandler call her Ross's 'fat' sister, Monica then began determined to lose her weight and was successful in it.
Q. When did the last episode of Friends air?
A. The last episode of Friends aired on May 6, 2004.
