Later life (1998-2020)
At some point Hermione found her parents in Australia and restored their memories. In 1998, Hermione went back to Hogwarts to attain her N.E.W.T.s.[26] She was the only one of the trio to do this, and by 2017 (nineteen years later) Hermione and Ron Weasley were married with two children: Rose and Hugo Granger-Weasley. Hermione is also the godmother of Harry and Ginny Potter's eldest child, James Sirius.[27] Also at some point the trio were featured on Chocolate Frog Cards for their accomplishments.

Ministry of Magic employee
"Hermione began her post-Hogwarts career at the Department for the Regulation and Control of Magical Creatures where she was instrumental in greatly improving life for house-elves and their ilk. She then moved (despite her jibe to Scrimgeour) to the Department of Magical Law Enforcement where she was a progressive voice who ensured the eradication of oppressive, pro-pureblood laws."
—J. K. Rowling regarding Hermione's future[src]
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A 37-year-old Hermione with her family

Hermione attained a high position in the Ministry of Magic, first through the Department for the Regulation and Control of Magical Creatures. There, she continued her work with S.P.E.W., working for the rights of underprivileged non-humans such as house-elves. She then went on to become Deputy Head[8] of the Department of Magical Law Enforcement, and assisted the Minister for Magic Kingsley Shacklebolt in eradicating the old laws biassed in favour of pure-bloods.

Along with Harry and Ron, she helped to revolutionise the Ministry and reform the wizarding world. At some point, Hermione, Harry, and Ron were all featured on Chocolate Frog Cards for their accomplishments.[28]

Hermione also eventually translated The Tales of Beedle the Bard from the original, which had been written in runes and which Albus Dumbledore bequeathed to her in his will in 1997. Her new translation was published in 2008 and included notes on each tale written by Dumbledore before his death; these notes were lent to Hermione by her former professor, Hogwarts headmistress Minerva McGonagall.[29]

DH-Epilogue-HR-harry-potter-24336103-1800-962
Hermione with her husband and children

Both Hermione and Ron attended the 2014 Quidditch World Cup and sat in VIP Box Two. Rita Skeeter noted that Ron had become catatonic at the appearance of the Bulgarian Veela and Hermione had to elbow him in the ribs.

On 1 September, 2017, Hermione and Ron brought their children to King's Cross Station to see Rose off for her first year at Hogwarts School of Witchcraft and Wizardry, and met Harry, Ginny, and their three children there.

Minister for Magic
Sometime before 2019, Hermione became the new Minister for Magic. In the summer of 2020, Hermione had to visit Harry to ask him to complete his paperwork and the other tasks he was yet to do. She talked about her concerns for recent activity similar to ones which happened when Voldemort was alive. Harry reminded her that he did just find a Time-Turner and he would get round to the rest of the tasks in his own time. They agreed that the Time-Turner should be destroyed and Hermione hid it away.

A few months later, Hermione was returning to her office when she was stopped by Ron, who was really Albus Potter transfigured to look like Ron. Albus was trying to stall her while Scorpius Malfoy and Delphi stole the Time-Turner. Hermione found Ron annoying although he stalled her long enough for the others to find the Time-Turner and they left.

Hermione had found out about Harry's nightmares and how his scar was hurting again and she called a meeting. However, no one thought it was a threat.

Ron Hermione cursed child
Hermione and Ron standing in her office at the Ministry of Magic

Hermione's life was changed by Albus and Scorpius when they meddled with time. In one alternate reality, she did not marry Ron and became the Defence Against the Dark Arts teacher at Hogwarts. In another alternate reality where Harry died, Hermione was in hiding as a member of what remained of Dumbledore's Army with Ron and Severus Snape. When Scorpius turned up with information about the original timeline where they won, Hermione agreed to help put time right again by time-travelling to the moment Scorpius changed time and use a Shield Charm to stop him. Hermione was the one to use the charm first, but when they returned to the present, it was still changed. They were attacked by Dementors and Hermione and Ron professed their love for each other and sacrificed their souls to the Dementors to give Scorpius time to escape.

When time was right again, Hermione visited Hogwarts to attend a meeting with Professor McGonagall. Hermione, along with Ron, Harry, Ginny and Draco were very forgiving of what Albus and Scorpius did, but McGonagall reminded them of great dangers that happened, and could still have been, because they meddled with time.

When Albus and Scorpius were kidnapped by Delphi and made to travel in time again to October 31 1981, Hermione travelled in time again with Ron, Harry, Ginny and Draco Malfoy to save them. Hermione helped transfigure Harry to look like Voldemort to trick Delphi who hopes to save him, and then later helped Harry duel Delphi. She and Draco then apprehended her and took her back to the present where she was sent to Azkaban.

Physical appearance
Hermione had lots of bushy brown hair, brown eyes, a bossy sort of voice that would become slightly shrill when she was angry,[22] and — as a child — rather large front teeth.[9][10]

Hermione never gave much attention to her appearance, and usually hid her potential to be extremely pretty under her bushy hairstyle and a large pile of books, which she kept slung on her back.[21] She generally wore her school uniform under her robes. Otherwise, she dressed casually.

However, in 1994, Hermione had Madam Pomfrey magically shrink her front teeth after she was accidentally struck with a Densaugeo spell, making it unnecessary for her to receive the braces her parents had originally intended for her. She also used Sleekeazy's Hair Potion to fix her hair, though she later remarked that it was too much work to use everyday. It was eventually revealed that these efforts were to help her look her very best for the Yule Ball.

DH Hermione in her red dress
Hermione, age 17

During the Yule Ball, many of Hermione's fellow students were stunned by how pretty she looked. Harry himself failed to recognise her initially, and was shocked when he did, for she did not look at all like her usual self: her hair was sleek and shiny, and twisted up into an elegant knot at the back of her head. She wore robes made of a floaty, periwinkle-blue material, and she smiled and held herself differently. Even Pansy gaped at Hermione when she saw her, and Draco seemed unable to find an insult to throw at her.[24]

During the wedding of Bill and Fleur, Hermione again put in effort to look her best: her hair was sleek and shiny, and she wore a floaty, lilac-coloured dress with matching high heels.

However, Hermione usually kept her hair long (it was once described as a "long mane of brown hair"),[25] and sometimes tied it back in a plait.[6]

Personality and traits
Horace Slughorn: "Oho! 'One of my best friends is Muggle-born, and she's the best in our year!' I'm assuming this is the very friend of whom you spoke, Harry?"
Harry Potter: "Yes, sir."
Horace Slughorn: "Well, well, take 20 well-earned points for Gryffindor, Miss Granger."
— After Hermione impresses Slughorn with her potion knowledge[src]
Hermione reading
Hermione was known to read for recreation and for fun

Hermione was noted for being extremely intelligent and hard-working, coming out on top in most of her classes and continuously aiding Harry and Ron in their adventures. She was so studious that the school gave her a Time-Turner in her third year, a device that rewinds time so that she could take extra courses.[15] Because of her efficiency, she often had time to do hobby work on the side, such as preparing a defence for Buckbeak to save him from execution, and creating S.P.E.W., an organisation promoting the freedom of house-elves.[24] Such acts demonstrate Hermione's social conscience, tenacity, and compassion.

Unlike most wizards who depended solely on their magical ability, Hermione readily relied on logic. Although this often helped her cleverly deduce information that many others missed, such as Remus Lupin's lycanthropy,[15] Hermione's emphasis on logic also made her sceptical about accepting anything without proof, as opposed to Harry who would come to intuitive conclusions. For example, she completely dismissed the idea of the Deathly Hallows, refusing to believe in them without physical evidence.[6]Her logic is shown to have limits because at the same time she is shown to put her beliefs before all else in a way that makes her ignore reality when it contradicts what she believes no matter how strong or overwhelming the evidence is. The prime example of this is house-elf she insisted that they wanted to be free and have wages and insisted they only seemed happy because they were undereducated and brainwashed when her friends and the elves themselves told her they were happy and didn't want her help due to the fact they are not humans and therefore don't think that way.

"That's what Hermione does. When in doubt, go to the library."
—Ron's opinion of Hermione's personality[src]
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Hermione arguing with Harry Potter over the Half-blood Prince's copy of Advanced Potion-Making

Hermione was quite responsible, perfectionistic, and well put-together, which led to her being made a prefect during her fifth year. Throughout her entire school career, Hermione was insistent on order and steadfastly devoted to the rules, at the expense of her popularity. Her sense of humour was limited; she frequently expressed disapproval over Fred and George's practical jokes and threatened to put them in detention for selling prank items in the common room. She often attempted to act as the voice of reason among her more impulsive friends, to varying levels of success.

However, in spite of her strait-laced disposition, Hermione was not above using coercion and threats to get what she wanted, as is evidenced by her blackmailing Rita Skeeter into writing a good article about Harry.[23] Hermione was not afraid to stand up to her friends when she thought it was in their best interests, or when she felt they were wrong; she risked angering Harry by getting his Firebolt confiscated because she feared it might be jinxed,[15] and argued with both him and Ginny over his use of the shady Half Blood Prince's textbook.[25] Hermione was very determined and focused, in that she "always [kept] her attention focused on the job that must be done."[30] Her refusal to break under torture shows her strength of willpower.[6]
"Hermione's immense workload finally seemed to be getting to her. Every night, without fail, Hermione was to be seen in a corner of the common room, several tables spread with books, Arithmancy charts, rune dictionaries, diagrams of Muggles lifting heavy objects, and file upon file of extensive notes; she barely spoke to anybody and snapped when she was interrupted."
—Hermione's intense workload starts to weight on her[src]
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Hermione urging Harry and Ron to take studying seriously

Because of her opinionated, interfering nature, Hermione had the reputation for being a bossy know-it-all. Her sometimes abrasive attitude masked deep insecurities and fear of failure, as personified by her Boggart.[31] Hermione felt the need to prove herself, perhaps partly because of how many people in wizarding society looked down on Muggle-borns. She did not let anyone bully her about this, however, and ignored bigots like Draco Malfoy. In her fifth year, she also became one of the few people to call Voldemort by name.[22] Despite her confidence in her abilities, she was not arrogant or conceited, and helped her classmates with their schoolwork whenever she could.

Hermione: "I'm hunted quite as much as any goblin or elf, Griphook! I'm a Mudblood!"
Ron Weasley : "Don't call yourself —"
Hermione: "Why shouldn't I? I am a Mudblood, and proud of it!"
— Hermione expressing pride at being a Muggle-born[src]
Hermione demonstrated her bravery many times when facing danger, though she initially showed a tendency toward mild panic in the sudden situations.[21] She was extremely loyal to her friends, risking her life frequently to help them and standing by Harry even when no one else did. She also gave them advice rather often, such as in trying to make Harry understand Cho Chang's behaviour on their date,[22] and in helping Ginny deal with her crush on Harry;[25] this once prompted Ron to advise her to write a book to translate all the "mad things" girls do so that boys could understand them.[22] Hermione was quite blunt with her opinions, sometimes to the point of being tactless; for example, her attempt to comfort Lavender Brown about the death of her rabbit did not go over well,[15] and her honesty when dealing with centaurs in 1996 nearly landed her and Harry in serious trouble.[22] Despite this, Hermione was generally sensitive to others' emotions, and would lie when she had to, though she was not a skilled liar.[22]

Hermione also tended to be rather argumentative, a trait most evident in her interactions with Ron. Although she was generally not as short-tempered as her friends, she displayed a formidable one on several occasions, such as slapping Draco Malfoy in defence of Hagrid,[15] sabotaging Cormac McLaggen's tryout as a Keeper for the Gryffindor Quidditch team after he insulted Ron and Ginny, conjuring a flock of canaries to attack Ron in their sixth year[25] and physically attacking Ron when he briefly abandoned her and Harry during their Hunt For Horcuxes