Zakat fundamentals

Zakat (the obligatory annual charge on qualifying wealth) is the third pillar of Islam and the only pillar that is a financial obligation. It is not charity, which is voluntary and unlimited. It is a due, owed by a specific person on specific wealth at a specific time, to specific recipients.

Most people who find zakat confusing are confused about one thing: it is calculated on what you have, not on what you earned. Income tax looks at the flow through the year. Zakat looks at the stock on one day. Once that clicks, the rest is arithmetic.

The three ideas

Almost every zakat question reduces to nisab, hawl and the rate.

Nisab, the threshold

Nisab (the minimum wealth threshold before zakat is due) is the line below which you owe nothing. It exists so that zakat falls on people with surplus rather than on people getting by.

It is defined in metal, not currency, which is what keeps it meaningful across centuries of inflation (your money buying less over time). Two standards are transmitted: 87.48 grams of gold or 612.36 grams of silver. Both come from the same classical conversion, at the fixed ratio between the two metals used at the time.

Today those two produce very different numbers, because gold and silver have long since diverged in price. The silver nisab is far lower, so it captures more people and produces more zakat. That is not an accident of arithmetic, it is the crux of a genuine difference of opinion.

• The case for silver: a lower threshold means more people qualify, more zakat reaches those entitled to it, and this is closer to the effect the threshold had when the two metals were near parity. Many scholars favour it on precaution, on the reasoning that erring toward giving is the safer error.
• The case for gold: gold has held its relationship to real purchasing power far better, so the gold nisab more faithfully represents the level of surplus wealth the threshold originally described. Silver's collapse in relative value is an accident of monetary history, not a ruling.

Both positions are held by serious scholars. If you are near the line and unsure, the common practical advice is to use silver, because it means you give when you might not have had to rather than the reverse.

Hawl, the year

Hawl (one full lunar year of holding) is the qualifying period. Wealth becomes zakatable once it has been in your possession, above nisab, for a complete lunar year.

The lunar year is about eleven days shorter than the solar one, so your zakat date moves forward on the Gregorian calendar each year. Pick a date, write it down, and keep it. Ramadan is common, for the obvious reason, but any fixed date works and consistency matters far more than the choice.

The practical version most people use: if your wealth was above nisab a year ago and is above nisab today, you pay. You are not tracking every dollar's individual anniversary, which would be impossible. Money moves in and out all year; what matters is that the balance did not drop below the threshold in between.

The rate

2.5% of your net zakatable wealth, for ordinary monetary and trade wealth. Different rates apply to agricultural produce and to extracted minerals, which is outside what most people here will deal with.

Two and a half percent sounds small and is deliberately so. It is designed to be payable out of a year's returns on productive wealth rather than to consume the wealth itself. Wealth that sits completely idle does get eroded by it over time, which is the intended effect.

What counts, and what does not

The organising principle is growth. Zakat falls on wealth that is growing or capable of growing, and not on the things you use.

Jewellery is one genuine point of difference. Several schools treat gold and silver jewellery in normal personal use as exempt; others treat all gold and silver as zakatable regardless of use, since the metals were the currency of the time. Know which position you are following rather than discovering the convenient one each year.

Debts, where most mistakes happen

Debts you owe reduce your zakatable wealth, but not in the way people assume.

The widely held position is that you deduct what is currently due, not the entire outstanding balance of a long-term obligation. If you have a $450,000 home finance arrangement with $35,564 payable this year, you deduct something in the order of the coming year's obligation, not $450,000. Deducting the full balance would mean almost nobody with a mortgage ever pays zakat, which is not the understanding the scholars transmitted.

Short-term debts genuinely payable now, an outstanding credit card balance, this quarter's bills, a personal loan falling due, are deductible in full.

Who receives it

Zakat has eight categories of recipient specified in the Qur'an (Surah At-Tawbah 9:60), including the poor, the needy, those administering its collection, those whose hearts are to be reconciled, freeing captives, those in debt, in the cause of Allah, and the traveller.

This is what makes zakat structurally different from ordinary giving. You cannot direct it anywhere you like. A donation to a mosque's building fund, a hospital, or a general disaster appeal is a good deed but is not automatically zakat, and many organisations that accept both keep separate accounting for exactly this reason. If you are giving through an organisation, ask directly whether the funds are distributed as zakat and how.

Making it a habit rather than an annual panic

• Fix your zakat date once and put it in your calendar as an annual recurring event. Most people's difficulty is not the maths, it is never having established a date.
• Record the balances on that date, every year, in the same place. Five years of records makes the sixth year a ten-minute job, and it settles most of the questions before they arise.
• Decide your nisab standard and your position on jewellery in advance, ideally with a scholar, not in the moment when one answer costs less.
• Set money aside during the year if paying in one go is hard. The obligation is annual, but nothing stops you funding it monthly.

The site's zakat calculator does the arithmetic, including a live nisab figure from current metal prices with a gold or silver standard you select, and a lookup of cash and receivables for recognised ASX tickers so shares are handled properly rather than guessed. The next lesson covers the modern assets it has to make judgement calls on.