What's the difference between Yield and Yield on Cost?

Current yield = annual dividend ÷ current price. Yield on cost = annual dividend ÷ your purchase price. If you bought at £10 and the price is now £20, your yield on cost is double the current yield. Both metrics matter for different decisions.

What do I need to know about Dividend Allowance (UK)?

UK investors have a £500 annual dividend allowance (2026/27) before dividend tax applies. Above that: Basic rate taxpayers pay 10.75%, Higher rate 35.75%, Additional rate 39.35%. Dividends inside a Stocks & Shares ISA or SIPP are tax-free.

What do I need to know about Dividend Sustainability?

A high yield can signal risk — check the payout ratio (dividends ÷ earnings). A payout ratio above 80% is often unsustainable. A dividend yield above 6–7% warrants extra scrutiny as it may reflect market concern about a cut.

When to Seek Financial Advice?

Calculator results provide estimates based on stated inputs and should not replace professional financial advice for significant decisions. Free, regulated financial guidance is available through MoneyHelper (moneyhelper.org.uk, 0800 011 3797) for general money queries. Regulated independent financial advisers (IFAs) — find one at unbiased.co.uk — provide personalised advice on mortgages, pensions, investments, and insurance. Advice fees are typically £150-350 per hour or a percentage of assets under management, usually around 1-2% annually. For smaller, one-off decisions, free and impartial guidance is available from MoneyHelper (moneyhelper.org.uk), a government-backed service — a good first stop before paying for full advice.

What do I need to know about Forward vs Trailing Yield?

Trailing yield (the default most calculators and finance sites quote) divides the dividends actually paid over the last 12 months by the current share price — it's backward-looking and factual. Forward yield instead uses the dividend that analysts or the company have indicated for the coming year, which is a prediction and can diverge meaningfully from the trailing figure if a company has just cut, suspended, or raised its dividend. A stock that cut its dividend 50% last quarter might show an attractively high trailing yield (based on the old, higher payments) while its true forward yield — what a new buyer can actually expect going forward — is much lower. Always check which figure a source is quoting, and where possible compare the most recent individual dividend payment, annualised, against a cut announcement or company guidance, rather than relying on a trailing yield that may already be stale by the time you're reading it.

What's the key thing to understand about High Yield as a Warning Sign?

A dividend yield that's unusually high compared to the sector average isn't automatically good news — yield rises mechanically when a share price falls, so a stock yielding 9-10% when its peers yield 3-4% has often just suffered a sharp price drop on bad news, with the market pricing in an expected dividend cut that hasn't been announced yet. This pattern is common enough to have a name: a 'yield trap'. Before treating a high yield as an opportunity, it's worth checking the dividend payout ratio (dividends paid as a percentage of net profit or free cash flow) — a payout ratio consistently above 80-100% leaves very little buffer if earnings dip, making a cut more likely. It's also worth checking dividend cover (the inverse measure: earnings divided by dividends, with below 1.5x generally considered thin) and whether the company has a track record of maintaining or growing payments through previous downturns, rather than judging sustainability from the yield percentage alone.

Why an Unusually High Dividend Yield Can Be a Warning Sign, Not a Bargain

Dividend yield is calculated as annual dividend per share divided by current share price, which means the yield rises whenever the share price falls, even if the dividend itself hasn't changed. A stock showing an unusually high yield compared to its own history or its sector peers is often signaling that the market has pushed the price down because it expects trouble — commonly a future dividend cut — rather than genuinely offering an unusually generous income opportunity. This is why experienced income investors treat a conspicuously high yield as a prompt to investigate the underlying business and its dividend sustainability, not as an automatic buy signal.

Why Dividend Yield Alone Ignores Half the Return Picture

Dividend yield only captures the income portion of a stock's total return; it says nothing about share price appreciation or decline, which for many companies — particularly growth-focused businesses that reinvest profits rather than paying large dividends — makes up the larger share of total return over time. A low or zero-yield stock isn't necessarily a worse investment than a high-yield one; it may simply be returning value to shareholders through growth and reinvestment rather than cash dividends. Comparing investments purely on yield, without considering total return (dividends plus price change) and the sustainability of the payout relative to the company's earnings, gives an incomplete and sometimes misleading picture of which investment is actually performing better.

Worked Example: Yield on Cost After Several Years of Dividend Growth

Suppose an investor buys a stock at $40 a share when it pays an annual dividend of $1.20, giving a starting yield of 3.0% ($1.20 ÷ $40). Over the next five years, the company raises its dividend by an average of 8% a year, a healthy but not unusual rate for a stable dividend-growth company. By year five, the annual dividend has grown to roughly $1.76 a share (1.20 × 1.08^5). Measured against the original $40 purchase price, that's a yield on cost of about 4.4% — meaningfully higher than the 3.0% an investor buying the stock fresh today would receive if the share price has also risen in line with the business (say, to around $55-60, keeping the current yield closer to 3%). This is the mechanism behind the common advice to buy dividend growers early and hold: the yield on the original cost basis compounds upward each year the dividend is raised, even though the 'current yield' quoted by brokers and financial sites always reflects today's share price, not what any individual investor actually paid.

Typical Dividend Yield Ranges by Sector

Dividend yields vary widely by industry because some sectors return more cash to shareholders by nature of their business model, while others reinvest more heavily for growth.

Sector (Illustrative, Not Current Figures)Typical Yield Characteristics
UtilitiesGenerally among the higher-yielding sectors, reflecting stable, regulated cash flows and limited reinvestment needs
Real Estate (REITs)Often higher-yielding by structure, since REITs are typically required to distribute most taxable income as dividends
Consumer StaplesModerate, steady yields with a long history of gradual increases
TechnologyOften lower yields (or no dividend at all), as many tech companies prioritize reinvestment and buybacks over dividends
EnergyCan swing between high and low yield depending on commodity price cycles and capital spending needs

These are broad tendencies, not current numbers — actual yields shift constantly with both share prices and payout decisions, so always check a company's current dividend and share price (or an up-to-date sector yield comparison) rather than relying on sector reputation alone, especially before concluding that an unusually high yield reflects sector norms rather than company-specific risk.

Dividend Payout Ratio and Sustainability

Yield alone says nothing about whether a dividend can actually be maintained — the payout ratio (dividends paid divided by net earnings, or more conservatively, divided by free cash flow) is the more important sustainability check. A payout ratio comfortably below 100% of earnings generally suggests a company retains some profit to reinvest and has a cushion if earnings dip temporarily, while a payout ratio above 100% means the company is paying out more in dividends than it's earning — unsustainable indefinitely unless earnings recover, since the gap has to be funded from cash reserves, asset sales, or additional borrowing. It's worth checking payout ratio against free cash flow as well as earnings, since some companies with high depreciation charges (common in REITs and utilities) can have a payout ratio over 100% of accounting earnings while still comfortably covering the dividend from actual cash flow — earnings and cash flow aren't always the same thing, and relying on only one can give a misleading sustainability picture, particularly for capital-intensive industries.

Dividend Reinvestment and Yield on Cost Over Time

Automatically reinvesting dividends (DRIP) rather than taking them as cash compounds the yield-on-cost effect shown elsewhere on this page, because each reinvested dividend buys more shares, which then themselves pay dividends the following period. A £10,000 holding yielding 4% with dividends taken as cash produces £400 in year one, and (assuming a flat yield and share price) £400 again in year ten — static income. The same holding with dividends reinvested buys additional shares each payment, so by year ten the position has grown through both reinvestment and (if the dividend itself grows) rising payouts per share, producing meaningfully more income by that point even at an unchanged yield percentage. This compounding effect is why long-term income investors often reinvest in the accumulation years and only switch to taking dividends as cash once they actually need the income, rather than doing so from day one.

Not financial advice. This calculator is for general information and education only. Figures are estimates and may not reflect your circumstances. For decisions, consult the FCA register and a qualified financial adviser. See our editorial standards.

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