Clever Calculators

🕌 Islamic guides

Zakat and Hijri (Islamic calendar) tools.

Zakat al-Fitr (Fitrana): What It Is and How Much to Pay

Zakat al-Fitr is a small, obligatory charity paid before the Eid al-Fitr prayer, for every member of the household. Learn who pays, how much, and when it's due.

5 September 2026 · 2 min read

When Is Ramadan and Eid This Year?

Ramadan, Eid and the other Islamic dates move about 11 days earlier each year. Learn why they shift, how the dates are decided, and how to count down to the next one.

3 September 2026 · 2 min read

How Old Are You in the Islamic Calendar?

Because the Hijri year is shorter than the Gregorian one, your Islamic age is slightly higher than your Western age. Learn why, how the gap grows, and how to work out your Hijri age.

1 September 2026 · 2 min read

Understanding Nisab: The Zakat Threshold Explained

Nisab is the minimum wealth you must hold before zakat becomes due. Learn how the gold and silver standards are set, which one to use, and how to check whether your wealth reaches the threshold.

18 August 2026 · 2 min read

Zakat on Gold, Silver and Jewellery

Gold and silver are directly subject to zakat — but jewellery you wear is a point of genuine scholarly difference. Learn how to value your precious metals and work out the zakat due.

17 August 2026 · 2 min read

Who Can Receive Zakat: The Eight Categories

The Qur'an names eight categories of people eligible to receive zakat. Learn who they are, who cannot be given zakat, and how to make sure your payment reaches a valid recipient.

15 August 2026 · 2 min read

How to Calculate Zakat: Nisab and the 2.5% Rule

Zakat is 2.5% of your qualifying wealth once it passes the nisab threshold and has been held for a lunar year. Learn what counts, how nisab is set, and how to work out what you owe.

14 August 2026 · 3 min read

Understanding the Hijri Calendar and Converting Dates

The Hijri (Islamic) calendar is lunar, so its dates shift about 11 days earlier each year against the Gregorian calendar. Learn how it works, why the dates move, and how to convert between the two.

8 August 2026 · 2 min read

The Twelve Months of the Islamic Calendar

From Muharram to Dhu al-Hijjah, the Hijri year has twelve lunar months, four of them sacred. Learn what each month is, the key observances they carry, and how to track them against the Gregorian calendar.

6 August 2026 · 2 min read