A dividend calculator for a UK limited company has two jobs, and most online ones do only the second. The first is the company's sum: how much profit after corporation tax is available, and how it divides across the shares in issue to give a rate per share and an amount per shareholder. The second is the shareholder's sum: what dividend tax is owed on the amount received, above the allowance, at the rate for their band. This page works both, explains the two cases where the ordinary per share arithmetic is varied, a waiver and a dividend in specie, and points to the free dividend voucher template on this site, which is the dividend calculation done on the company's own share register. It is HMRC's arithmetic cited from gov.uk, not advice on what to declare.
The company's sum: profit, shares, rate per share
Start with retained profit after corporation tax, which is the ceiling. Decide the total to distribute, divide it by the ordinary shares in issue, and that is the dividend per share; each holder receives that rate times their shares. A company with 100 shares declaring £24,000 pays £240 a share, so a holder of 60 shares receives £14,400 and a holder of 40 receives £9,600. The dividends calculator uk directors reach for should print the per share figure, because that is what the board minute declares and what the voucher records; the total is just the sum across holders.
The shareholder's sum: allowance, band, rate
Each holder takes off the £500 dividend allowance and any unused personal allowance, finds the income tax band the dividend lands in once stacked on their other income, and applies that band's dividend rate: 10.75 percent, 35.75 percent or 39.35 percent for 2026 to 2027, per gov.uk. The holder of 60 shares above, on a £12,570 salary, pays 10.75 percent on £13,900 of the £14,400. A uk dividend calculator that ignores the holder's other income cannot find the band and will be wrong for anyone near a threshold; the voucher template on this site asks for the band rather than guessing it.
A dividend waiver, and when it is used
A shareholder can waive their right to a dividend before it is declared, by deed, so the others receive theirs and they receive nothing. It is used where one shareholder does not want the income in a year, and it has to be in place before the declaration, not after the payment. HMRC looks at waivers that shift income to a lower-taxed shareholder in a way the company could not otherwise have paid, so a waiver that lets the company pay a dividend it did not have the profit to pay to everyone is the pattern to avoid. The calculation is then the per share rate across the shares that were not waived.
A dividend in specie, and why the value matters
A dividend in specie is a dividend paid in an asset rather than cash: a property, a vehicle, shares in another company. The amount of the dividend is the asset's market value, the same profit test applies, and the shareholder is taxed on that value as dividend income. The transfer of some assets carries its own tax, stamp duty land tax on a property for instance, so the dividend calculation for an in specie payment has two halves: the distribution and the transfer. It is the one case on this page that belongs with an accountant before it is minuted.
Questions people ask about how to calculate dividends
Is the dividend calculated before or after corporation tax?
After. Dividends are paid out of profit that has already borne corporation tax at 19 percent, 25 percent or the marginal rate between, per gov.uk. A dividend calculated on pre-tax profit will overstate what is available by the tax.
What if I hold all the shares?
Then the per share arithmetic collapses to the total: the whole dividend to you, and the tax at your band above the allowance. The voucher is still required, because it is the evidence on your self assessment that the money was a dividend and not a loan.
Does the calculator handle a dividend that crosses two bands?
The voucher template applies one rate to the whole amount above the allowance, so a dividend that straddles the basic and higher rate limit is an estimate there and exact on the return. Enter the band the larger part falls in and read the answer accordingly.