Free reverse salary calculator

Start with the income you want.Work backwards to salary.

Enter a target monthly or yearly take-home amount and use the free calculator to estimate the gross salary required after UK deductions.

Free estimate using 2026/27 UK tax rules aligned with HMRC and GOV.UK reference points.

Reverse calculator

Start from the monthly income you want.

Enter your target, adjust the few settings that matter, and read the salary needed in one compact view.

Uses 2026/27 UK tax rules aligned with HMRC and GOV.UK reference points.

Result

£45,111

Estimated gross salary needed to keep around £3,000/mo.

Keep rate

80%

Target net

£3,000/mo

Actual net

£3,000/mo

Monthly gap

+£0

Strong real-life planning range

This range is often linked to rent, saving goals, household budgeting, and job decisions.

Single salary summary

Gross to net route for this target

Income Tax
£6,508
National Insurance
£2,603

Download this reverse salary result

Keep one clean copy of the target, salary estimate, and settings used.

Next best step

Compare this against a real offer

Use comparison when you want to see whether another salary meaningfully changes monthly take-home.

Continue

Trust note

Use the result as a clear estimate, then verify anything important.

TaxDecod is designed to make salary, payslip and deduction questions easier to understand. It should help you prepare better questions for your employer, payroll team, HMRC or a qualified adviser when the result affects a real decision.

2026/27 reference year

Built around the tax-year assumptions used across TaxDecod, with HMRC/GOV.UK reference points used for the calculator framing.

Estimate, not advice

Results are planning estimates, not payroll software, an HMRC decision, legal advice, tax advice or financial advice.

Inputs matter

Pension settings, region, student-loan plan, tax code and benefits can change the real payslip result, so use your own details where possible.

Commercial separation

Advertising or affiliate relationships must not change calculator logic, tax-year assumptions, explanations or result wording.