Understanding the Minimum Wage for an 18 Year Old in the UK

If you are an 18-year-old worker or employer in the UK, knowing the correct minimum wage is essential. From April 2026, the government has set the National Minimum Wage (NMW) for workers aged 18 to 20 at £10.85 per hour. This rate applies to all employees in this age group, whether they work full-time, part-time, or on a casual basis. It represents an 8.5% increase from the previous year’s £10.00 rate, reflecting the government’s commitment to narrowing the gap with the National Living Wage (NLW) for those aged 21 and over, which will be £12.71 per hour.

It is important to distinguish between the NMW and the NLW. The NLW applies only to workers aged 21 and above, while the NMW covers those aged 18–20, 16–17, and apprentices. For an 18-year-old, the legal minimum is the 18–20 rate, unless you are an apprentice in your first year or under 19, in which case the apprentice rate of £8.00 per hour applies. Always check your age and apprenticeship status to ensure you are receiving at least the correct minimum.

Converting Hourly to Annual Salary

To understand what the minimum wage for an 18 year old means in terms of yearly earnings, you can convert the hourly rate to an annual figure using a standard formula. The most common assumption for full-time work in the UK is a 37.5-hour week (though some contracts use 35, 37, or 40 hours). Multiply the hourly rate by the weekly hours and then by 52 weeks:

Annual salary = hourly rate × hours per week × 52

For an 18-year-old on £10.85 per hour working 37.5 hours per week:

£10.85 × 37.5 × 52 = £21,157.50 per year (gross)

Monthly gross pay would be approximately £21,157.50 ÷ 12 = £1,763.13.

If you work fewer hours, adjust accordingly. For example, a part-time role of 20 hours per week yields:

£10.85 × 20 × 52 = £11,284 per year.

Remember that these are gross figures. Deductions for Income Tax, National Insurance, and possibly pension contributions will reduce your take-home pay. The Personal Allowance for 2026/27 is £12,570, meaning you pay no tax on the first £12,570 of earnings. For a full-time 18-year-old on minimum wage, taxable income would be around £8,587, resulting in a modest tax bill. Use our salary articles for more on tax calculations.

How the 18–20 Rate Compares to Other Benchmarks

To put the minimum wage for an 18 year old into context, consider the UK median earnings. According to the Office for National Statistics (ONS) Annual Survey of Hours and Earnings (ASHE) for April 2025, median gross annual earnings for full-time employees were £39,039, and median hourly earnings (excluding overtime) were £19.67. The 18–20 minimum wage of £10.85 is therefore about 55% of the median hourly rate. This reflects the fact that younger workers often start in lower-paid roles such as retail, hospitality, or entry-level positions.

NHS pay scales for 2026/27 provide another comparison. The lowest NHS band (Band 1, closed to new entrants) starts at £12.92 per hour, while Band 3 begins at £13.17 per hour. These rates are above the NLW and significantly above the 18–20 rate, highlighting that many employers in sectors like healthcare offer more than the legal minimum.

It is also worth noting that the 18–20 rate is 85% of the NLW (£12.71). The government aims to eventually eliminate the age-based differential, but for now, 18-year-olds earn less than their older colleagues doing the same job. If you are 18 and working alongside someone aged 21 doing identical work, your employer must pay you at least £10.85, but they may choose to pay the higher NLW to all staff.

Using the Hourly to Salary Calculator

Our Hourly to Salary tool lets you quickly convert any hourly rate into annual, monthly, and weekly figures. Simply enter your hourly pay and your typical weekly hours, and the calculator does the rest. It uses the standard 52-week year and allows you to adjust for part-time hours. This is especially useful for 18-year-olds who may have variable schedules or zero-hours contracts. Remember that the conversion assumes a steady contracted week with no unpaid overtime, bonuses, or tips. Actual pay may differ if your rota changes or if you receive London weighting or shift premiums.

For more detailed salary data and comparisons, visit our salary data page, which includes median earnings by age group, region, and occupation. You can also explore topics related to minimum wage, apprenticeships, and tax.

Final Thoughts

The minimum wage for an 18 year old in the UK is set at £10.85 per hour from April 2026. Converting this to an annual salary gives roughly £21,158 for a full-time worker, but many 18-year-olds work part-time or in roles that pay above the minimum. Always check your contract and official GOV.UK guidance to ensure you are receiving at least the legal minimum. If you are an employer, staying compliant with NMW rates is a legal obligation. Use our resources to understand your pay and plan your finances.