⏰ Hourly Wage Calculator for £42,000
Turn your annual salary into an hourly rate. Brace yourself.
Quick answer
£42,000 a year breaks down to £21.54 per hour at 37.5 hours a week, or £20.19 per hour at a 40-hour week.
- 37.5h/week: £21.54/hr
- 40h/week: £20.19/hr
- Weekly gross: £807.69
- Monthly gross: £3,500
In detail: Hourly Wage Calculator for £42,000
A £42,000 annual salary sits near the top of the basic-rate band, which means your marginal income-tax rate is basic (20%) tipping into 40% and National Insurance is 8% on earnings above the primary threshold. The gross hourly figure of £21.54 doesn't reflect that — it's the headline number before HMRC takes its share, before pension contributions, and before any salary-sacrifice arrangements.
At this salary level, take-home tends to be a relatively clean "gross minus 20% tax and 8% NI on the taxable portion" calculation. Most people on £42,000 keep roughly 75–80% of gross after tax and NI (ignoring pension), so your effective hourly ends up closer to £16.80. Overtime at time-and-a-half would work out to around £32.31 per hour.
Use this figure when negotiating pay, quoting project rates, or converting between roles. If a new job offers a flat £42,000 but expects 45-hour weeks, your real hourly drops to £17.95 — a meaningful difference worth raising.
What this tool helps with
Your hourly wage
What you can enter
- Annual salary (£): 42000
- Hours per week: 37.5
Why this page is useful
Turn your annual salary into an hourly rate. Brace yourself. This page loads fast, gives a direct answer, and then expands with useful context instead of burying the result under filler.