Short answer
Most people go home within 1 to 4 days, walk with crutches or a frame at first, manage most daily activities by about 3 to 6 weeks, and return to work at around 6 to 12 weeks.13 Full recovery takes several months or longer.1 The pace depends on age, general health, whether it is a partial or total replacement, the type of work you do and how consistently you do the exercises.1
Key points
- Exercises usually start within hours of surgery.
- The NHS advises at least 6 weeks before driving after a total knee replacement, 3 weeks after a partial one.
- Heavy lifting and household strain are best avoided for the first 3 months.
- Partial replacements usually recover faster than total ones.
- Around 1 in 5 people still report troublesome pain in the longer term.
Recovery at a glance
The timings below are typical, not targets. They come from NHS and American Academy of Orthopaedic Surgeons (AAOS) patient information, and individual recovery varies widely.13
| Time after surgery | What is typical |
|---|---|
| Day of surgery | Exercises often begin within hours; some people go home the same day |
| 1 to 4 days | Discharge once you can move safely on crutches or a frame |
| About 10 days | Stitches or clips removed |
| 3 to 6 weeks | Most normal daily activities resumed; pain with activity and at night still common |
| About 6 weeks | Follow-up appointment; may try walking without an aid; earliest driving after a total replacement |
| 6 to 12 weeks | Return to work, depending on the job |
| 3 months | Heavy lifting and strenuous household tasks usually resumed |
| Several months or longer | Continued gains in strength, comfort and movement |
The first days and weeks
Movement starts early. The AAOS notes that most people can begin exercising the knee hours after surgery, and some go home the same day.3 The NHS says most people stay 1 to 4 days, and leave once there are no signs of complications and they can get around safely on crutches.1
At home, you usually progress from crutches or a frame to one crutch, then a stick. The NHS suggests trying to walk without an aid after about 6 weeks if you feel ready.1 Compression stockings are often worn for at least 6 weeks to reduce the risk of blood clots, and stitches or clips are usually removed at about 10 days.1
Stairs are the main fall risk early on, so handrails or walking aids are worth keeping until strength and balance return.3 Most people also notice some numbness of the skin around the scar.3 The NHS advises not sitting with your legs crossed for 6 weeks, avoiding standing for long periods, and not kneeling on the new knee until your surgeon agrees.1
Driving, work and exercise
Driving. The NHS advises waiting at least 6 weeks after a total knee replacement, or 3 weeks after a partial one, and checking with your doctor first.1 The AAOS ties driving to function: the knee must bend enough to get in and out of the car comfortably, and your reactions must be quick enough to brake safely.3 It is also worth checking your insurer’s requirements.
Work. Return is usually at about 6 to 12 weeks.1 The NHS links the range to the type of work, so jobs involving standing, lifting or kneeling tend to sit at the later end.
Exercise. The AAOS describes walking, swimming, golf, cycling and light hiking as realistic in the longer term. Most surgeons advise against high-impact activities such as running and jumping for life, to protect the implant.3 The NHS advises avoiding heavy lifting, including tasks such as vacuuming or carrying shopping, for the first 3 months.1
What affects how quickly you recover
The NHS notes that full recovery may take several months or longer and varies with age and general health. Partial replacements usually recover faster than total ones.1 For more on that choice, see partial vs total knee replacement.
Preparation also counts. In England, NICE (the National Institute for Health and Care Excellence) sets the standard that people listed for hip or knee replacement should be given advice on preoperative rehabilitation. That includes exercises to do before and after surgery, guidance on weight and smoking, and what to expect during the hospital stay and recovery.5 Whether exercise beforehand shortens recovery is discussed in does exercise before joint replacement help.
Doing the physiotherapy exercises consistently matters. The NHS says starting them early helps long-term strength and movement.1 The AAOS states that an average of about 115 degrees of bend is generally expected, and that limited movement usually improves with physiotherapy.3
What if pain does not settle?
Pain with activity and at night is common for several weeks.3 For most people it then eases, but not for everyone. A systematic review of studies following unselected patients found that about 10% to 34% reported an unfavourable long-term pain outcome after knee replacement, around 20% in the best-quality studies, with follow-up from 3 months to 5 years.4 The authors thought these figures were likely to be underestimates because of missing data.4
The NHS lists ongoing pain, stiffness, difficulty bending and instability as possible problems with the new knee, which physiotherapy and exercise may help.2 Pain that persists or worsens should be reviewed, because deep infection, though uncommon, can need further treatment.2
When to seek medical advice
The NHS advises an urgent GP appointment or NHS 111 if, after a recent knee replacement, you have throbbing or cramping pain in your leg; a high temperature or feel hot, cold or shivery; oozing or pus from the wound; or redness, tenderness, swelling or pain in the knee that is not improving or is getting worse.2
Call 999 or go to A&E if you have pain and swelling in your leg together with difficulty breathing or chest pain, which can signal a blood clot in the lungs. Do not drive yourself.2
Common questions
When can I walk without crutches?
Often at around 6 weeks, if you feel confident. The NHS suggests moving from two crutches to one, then a stick, before trying without an aid.1
Will I be able to kneel?
Possibly, once your surgeon agrees. The AAOS says kneeling is sometimes uncomfortable but not harmful to the implant.3
When can I fly home after a knee replacement?
It depends on your clot risk and how you are recovering, so it should be agreed with the surgical team. The general issues are covered in how soon you can fly after surgery.
How long will the new knee last?
The NHS says knee replacements last about 25 years, and a further operation is not commonly needed.2 More detail is in how long knee and hip replacements last.
Bottom line
Expect a few days in hospital, about six weeks of reduced mobility, and around two to three months before most of normal life, including work and driving, is back. Improvement continues for months after that. Pain or swelling that gets worse rather than better is a reason to seek advice, not to wait.
Related reading
- Knee replacement: what it involves, risks and recovery
- Partial vs Total Knee Replacement: What Is the Difference?
- Does Exercise Before Joint Replacement Help?
- How Long Do Knee and Hip Replacements Last?
Sources
- NHS. Knee replacement: recovery. NHS website. https://www.nhs.uk/tests-and-treatments/knee-replacement/recovery/ Accessed 5 November 2026.
- NHS. Knee replacement: complications. NHS website. https://www.nhs.uk/tests-and-treatments/knee-replacement/complications/ Accessed 5 November 2026.
- American Academy of Orthopaedic Surgeons. Total knee replacement. OrthoInfo. https://www.orthoinfo.org/treatment/total-knee-replacement Accessed 5 November 2026.
- Beswick AD, Wylde V, Gooberman-Hill R, Blom A, Dieppe P. What proportion of patients report long-term pain after total hip or knee replacement for osteoarthritis? A systematic review of prospective studies in unselected patients. BMJ Open; 2012;2:e000435. https://doi.org/10.1136/bmjopen-2011-000435
- National Institute for Health and Care Excellence. Joint replacement (primary): hip, knee and shoulder (QS206), quality statement 1: preoperative rehabilitation advice for hip and knee replacement. NICE. https://www.nice.org.uk/guidance/QS206/chapter/quality-statement-1-preoperative-rehabilitation-advice-for-hip-and-knee-replacement Accessed 5 November 2026.
Article history
- — First published.