Overtime Pay Calculator (Time and a Half, Double Time)
Find your overtime rate and how much extra you earn, from time and a half to double time.
| Overtime pay per week (5 hours) | £112.50 |
|---|---|
| Per month | £487.50 |
| Per year (52 weeks) | £5,850.00 |
These figures are before tax and National Insurance. Overtime is taxed as normal earnings.
How overtime pay is calculated
Multiply your normal hourly rate by the overtime multiplier, then by the overtime hours. At £15 an hour, time and a half is £15 × 1.5 = £22.50 an hour, and double time is £30.
Normal hourly rate × multiplier × overtime hours = overtime pay
Are employers legally required to pay overtime?
There is no general legal right to overtime pay or to a higher overtime rate. What you get depends on your contract. Overtime must still be paid at or above the National Minimum Wage when averaged over the pay period, and your contract or company policy may offer time and a half or time off in lieu.
Is overtime taxed more?
No. Overtime is added to your normal pay and taxed at your usual rates. It can feel higher because the extra income may be taxed at your highest rate, and in some pay periods overtime pushes you into a higher bracket for that month, but this evens out over the year.
Common overtime rates
- Time and a quarter (1.25x) and time and a half (1.5x) for weekday or extra hours.
- Double time (2x) for Sundays or bank holidays at some employers.
Check your contract or ask your employer, as these rates are set by agreement rather than law.
Sources: GOV.UK: Maximum weekly working hours. Figures last checked on 8 October 2026.
Frequently asked questions
How do I calculate time and a half?
Multiply your hourly rate by 1.5. At £12 an hour, time and a half is £18 an hour.
How do I work out my hourly rate from my salary?
Divide your yearly salary by 52, then by your weekly hours. Choose “A yearly salary” in the calculator and it does this for you.
Does overtime count towards holiday pay?
Regular, guaranteed overtime should normally count towards holiday pay. Voluntary or irregular overtime is more complex, so check with your employer or Acas.
Can my employer force me to work overtime?
Only if your contract requires it. Most contracts include some compulsory overtime, but working time limits (an average of 48 hours a week unless you opt out) still apply.
Related guides
More from UK Answers
Figures are for the 2026/27 tax year from official sources and are estimates for guidance only, not financial or legal advice. Printed from ukanswers.co.uk.