UK Overtime & Premium Pay Calculator (2026/27)
Calculate your exact gross and take-home pay for standard hours plus overtime. Verify whether time-and-a-half, double time, flat overtime, or unpaid extra hours meet statutory UK minimum wage rules.
Total Weekly Pay (Basic + Overtime)
£629.19
Includes £152.52 overtime pay for 8.0 extra hours.
Blended Avg Rate
£13.83/hr
Total Monthly Gross
£2,726
Est. Net Monthly
£2,246
Annual Overtime Gain
+£7,931
⚠️ Minimum Wage Violation Detected
Shortfall: £0.00 / week
Because total pay divided by all hours worked (standard + extra hours) falls below the legal statutory minimum for your age band, your employer is in breach of the National Minimum Wage Act.
UK Overtime Pay Multipliers at 2026 Minimum Wage Rates
While UK employment law does not set a mandatory overtime multiplier, standard industry practice provides 1.25x (time-and-a-quarter), 1.5x (time-and-a-half), or 2.0x (double time for Sundays/Bank Holidays). Here are the statutory minimum wage rates and corresponding premium multipliers for 2026/27:
| Age Band / Category | Standard Rate (1.0x) | Time & a Quarter (1.25x) | Time & a Half (1.5x) | Double Time (2.0x) |
|---|---|---|---|---|
| 21+ National Living Wage | £12.71/hr | £15.89/hr | £19.07/hr | £25.42/hr |
| 18–20 Years Old | £10.85/hr | £13.56/hr | £16.28/hr | £21.70/hr |
| Under 18 Rate | £8.00/hr | £10.00/hr | £12.00/hr | £16.00/hr |
| Apprentice Rate (Year 1) | £8.00/hr | £10.00/hr | £12.00/hr | £16.00/hr |
Rates apply from 1 April 2026 across England, Scotland, Wales and Northern Ireland. Figures rounded to the nearest penny.
How Unpaid Overtime Causes Illegal Minimum Wage Breaches
One of the most common causes of HMRC enforcement action is salaried employees working uncompensated overtime. Under UK minimum wage law, your statutory compliance is tested across your entire pay reference period:
The Legal Compliance Formula
Effective Hourly Rate = Total Gross Pay (£) ÷ Total Hours Worked (Contracted + Overtime)
Example: Salaried Minimum Wage Violation
A 22-year-old worker on a salary of £26,500/year (£509.62/wk) is contracted for 37.5 hours (£13.59/hr basic). If they work 10 unpaid overtime hours per week (47.5 total hours), their effective rate drops to £10.73/hr.
Result: Illegal underpayment of £1.98 per hour (£94.05/week or £4,890/year) below the £12.71 NLW floor.
How to Recover Your Unpaid Overtime
HMRC enforces National Minimum Wage compliance and will force employers to repay all historic underpayments with a penalty of up to 200%. Arrears must be repaid at current 2026 minimum wage rates rather than the historical rate when worked.
Use the Minimum Wage Arrears Calculator to work out your backpay entitlement.
Key UK Overtime Regulations (Working Time Rules)
1. The 48-Hour Maximum Working Week
Under the Working Time Regulations 1998, workers cannot be forced to work more than an average of 48 hours per week (usually calculated over a rolling 17-week reference period) unless they voluntarily sign an individual opt-out agreement.
2. Daily and Weekly Rest Breaks
Workers are legally entitled to 11 consecutive hours of daily rest between working shifts, 24 uninterrupted hours of weekly rest (or 48 hours fortnightly), and an uninterrupted 20-minute rest break during any shift exceeding 6 hours.
3. Overtime Inclusion in Statutory Holiday Pay
Following UK landmark rulings, statutory holiday pay for the first 4 weeks (20 days) of annual leave must reflect normal remuneration, including regular, non-guaranteed overtime.
About this guide
This calculator is maintained by UKMinimumWage.co.uk using published GOV.UK rates for 2026/27. Last updated August 2026. This site is not HMRC-endorsed.