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Read MoreWorking out your zakat is a straightforward four-step process once you know what counts. This guide walks through it, with a worked example - then our calculator does the arithmetic for you, using today's nisab value.
New to zakat? Start with our complete guide to zakat for the fuller picture.
Add up everything you hold that zakat applies to:
Not zakatable: your home, your car, clothing, furniture and other items you use rather than hold as wealth. Complex assets such as pensions, cryptocurrency, and business assets held for use rather than trade deserve a scholar's advice, since the right treatment depends on your specific holding.

From your total, subtract debts and bills due immediately - money you owe that is due now or very soon, such as a credit card balance or a bill in hand.
Long-term debts, like the remaining balance on a mortgage, are generally not deducted in full; often only the portion due within the year is counted. This is an area scholars treat with some nuance, so if a large long-term debt is involved, it is worth checking with a scholar how much to deduct.
Nisab is the minimum threshold your zakatable wealth, after debts, must reach before zakat is due. It is fixed in weight, not money: 87.48 grams of gold or 612.36 grams of silver. Because metal prices move daily, there is no fixed pound figure to quote here - our calculator converts both thresholds into today's value automatically.
If you are below nisab, zakat is not due on you this year - though sadaqah is always welcome.
If your zakatable wealth after debts is at or above nisab, and you have held that level for one full lunar year (hawl), multiply the total by 2.5% (or divide by 40). That figure is your zakat due.

Suppose Amina has:
Total zakatable wealth: £6,600.
She has a credit card bill of £300 due this month, which she subtracts: £6,600 - £300 = £6,300 remaining.
Amina checks our calculator, which converts today's silver nisab into pounds automatically. Her £6,300 is comfortably above that threshold, and she has held this level of wealth for over a year, so zakat is due.
Her zakat: £6,300 × 2.5% = £157.50.
Prefer not to do the sums by hand? Our free zakat calculator takes you through each of these steps, converts nisab into today's pounds automatically, and shows your zakat due in under two minutes.
Once a year, on your zakat anniversary - the date your wealth first reached nisab and stayed there for a full lunar year. Many people choose Ramadan as a convenient yearly date, though this is a personal choice, not a requirement.
Not directly - zakat is calculated on wealth you hold on your zakat date, not on income as it is earned. Salary becomes zakatable once it has been saved and held for a full lunar year alongside your other zakatable wealth.
Many scholars advise picking a sensible date, such as the first of Ramadan, and using it consistently every year going forward, valuing your zakatable wealth on that date.
This is a point scholars differ on - some hold that gold and silver jewellery is always zakatable regardless of use, others make an exception for jewellery worn regularly. Practice varies between communities, and Aid For Mankind does not take a position; if in doubt, ask a scholar you trust or use the calculator's gold total as a starting point.
These are complex, fast-changing areas where the right treatment depends on your specific holding. Speak to a scholar with knowledge of contemporary finance rather than relying on a general guide.
Part of our complete guide
Zakat: A Complete UK Guide →Worked out your figure? You can give your zakat directly. Select Zakat as your cause when you donate. Aid For Mankind operates a 100% donation policy, so your zakat goes directly to those who need it most.
Fulfil your obligation
Zakat is the third pillar of Islam - 2.5% of qualifying wealth held for a lunar year, distributed to the eight categories named in the Qur'an (Surah At-Tawbah, 9:60). Choose your amount below and we will mark your gift as Zakat.
Marked as Zakat - distributed only to those entitled to receive it under the eight categories.
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