UK Dividend Tax Calculator

If you own shares or run a limited company and take dividends alongside a salary, working out your tax bill is more involved than a simple percentage, since dividends are taxed using their own allowance and rates, stacked on top of whatever your salary already uses up.

This calculator works out exactly how much dividend tax you owe, taking into account your salary, your dividend allowance, and which tax bands your dividends fall into.

How to use the dividend tax calculator

Enter your annual salary and your dividend income for the year. The calculator applies your Personal Allowance to your salary first, then works out how much of your dividend income is covered by the tax-free dividend allowance, and how much falls into the basic, higher or additional dividend tax bands.

How dividend tax is calculated

The first £500 of dividend income each year is tax free, regardless of your income level. Above that, dividends are taxed at 8.75% within the basic rate band, 33.75% within the higher rate band, and 39.35% within the additional rate band. These rates are lower than the equivalent Income Tax rates, since dividends come from company profits that have already had Corporation Tax deducted.

Your salary is taxed first and uses up your Personal Allowance and part of your basic rate band. Your dividends are then treated as sitting on top of your salary, which determines which dividend tax band they fall into. This means the same dividend income can be taxed differently depending on how much salary you also receive in the same year.

Worked example

Take someone with a £30,000 salary and £20,000 of dividend income in the same tax year. Their salary uses up the full £12,570 Personal Allowance, leaving £17,430 of salary taxed at the basic rate. Their dividends then sit on top of that.

The first £500 of dividends is tax free under the dividend allowance. The remaining £19,500 falls entirely within the basic rate band in this example, taxed at 8.75%, giving a dividend tax bill of around £1,706. If the same person had a higher salary, say £45,000, more of their dividends would be pushed into the 33.75% higher rate band instead, increasing the tax owed on the same £20,000 of dividends considerably.

This is a useful example of why company directors often plan their salary and dividend split carefully each tax year. A modest salary, enough to use the Personal Allowance and build a National Insurance record, combined with dividends for the rest, is a common approach precisely because it can keep more income within the lower dividend tax bands rather than pushing it into Income Tax territory at the higher rates that apply to salary.

The dividend allowance has shrunk in recent years

It is worth knowing that the tax-free dividend allowance has fallen substantially over the past few years, from £2,000 down through £1,000 and now to £500. If you are used to an older figure from a previous tax year, or from an article that has not been updated, double check you are working from the current £500 allowance, since using an outdated figure can lead to a noticeably wrong estimate of your dividend tax bill.

Common mistakes to avoid

A common mistake is assuming the dividend allowance is the same as the Personal Allowance, or that unused Personal Allowance can somehow be combined with it. They are two separate allowances, and the £500 dividend allowance applies on top of whatever your Personal Allowance already covers. Another mistake is forgetting that dividends are added on top of salary when working out which band they fall into, not assessed on their own in isolation, so a change in salary can shift your dividend tax bill even if your dividend income itself does not change.

It is also worth remembering that dividends from shares inside an ISA are entirely tax free and do not need to be included in this calculator at all. Only dividends held outside a tax wrapper, such as shares held directly or through a general investment account, are subject to the rates shown here.

Finally, if you have not reported dividend income to HMRC before, it is easy to assume that small amounts do not need declaring. HMRC does still expect dividend income above your allowance to be reported, even if the resulting tax bill is fairly small, so it is worth checking current self-assessment thresholds rather than assuming a modest amount can simply be left off your return.

Related calculators

For the salary side of your income, check our Income Tax calculator and take-home pay calculator. If you are weighing up salary against dividends as a company director, our self-employed tax calculator covers the sole trader alternative, and our Capital Gains Tax calculator covers what happens if you sell shares rather than simply holding them for dividend income. Our income tax guide has more on how the wider UK tax system fits together.