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Ushr calculator

Work out the zakat due on agricultural produce at a tenth or a twentieth, depending on how the land was watered, against the five-wasq threshold.

The harvest

The harvest itself, before any deductions

Optional, to see the amount due as money instead of produce

How the land was watered

Watering

Threshold

Whether a minimum applies

Scholars differ, and for a small harvest this decides whether anything is owed at all, so it is asked rather than assumed.

Ushr due

Enter the size of your harvest and what is due appears here.

A different obligation with a different shape

Zakat on produce is not the 2.5% most people have in mind. It is a tenth, or a twentieth, of a harvest, and it falls due at the harvest itself rather than after a year of holding. There is no waiting period and no threshold in gold or silver. That is why this tool shares nothing with the wealth calculator.

The rate follows the water

Where the land was watered without cost or effort, rain, a spring, a river, the rate is a tenth. The word ushr means exactly that. Where watering took effort or money, from wells, pumps or purchased water, the rate halves to a twentieth, because the cost of producing the crop is taken into account.

Where a season involved both, half of each is the commonly stated treatment, which comes out at 7.5%. The tool offers all three.

The threshold, and whether there is one

The majority position sets a minimum of five wasq. Below that, nothing is due. A wasq is sixty sa’, so five wasq is three hundred sa’, and since a sa’ measures volume rather than weight, converting it to kilograms depends on what is being measured. The figure commonly published works out at roughly 653 kg, which is what the tool uses and labels as approximate.

Abu Hanifa held that produce has no threshold at all: the rate is due on any quantity. For anyone with a small plot that is the difference between owing something and owing nothing, so the tool asks rather than deciding.

What the tool cannot know

Whether your crop is covered is itself a matter of difference, positions range from storable staples only, through to everything the land yields. The tool applies the rate to whatever quantity you give it and makes no claim about whether that quantity is subject to ushr in the first place.

Nor does it deduct costs. Some contemporary scholars permit deducting the expense of seed, labour and fuel before applying the rate; the classical statements apply it to the harvest as it comes in. Offering a deduction field would imply that question is settled, so there is none.

Produce or its value

The obligation is stated in produce, and the tool gives the answer that way first. Enter a price per kilogram and it will also show what that quantity is worth, which is how most people settle it in practice. The weight is the obligation; the money is the convenience.

Questions

How is ushr different from ordinary zakat?
Almost entirely. Zakat on wealth is 2.5% of savings held for a lunar year above a threshold measured in gold or silver. Ushr is 10% or 5% of a harvest, due at the harvest itself with no waiting year, and measured against a threshold expressed as a quantity of produce. The only thing they share is being obligatory charity on what you have.
Why is the rate sometimes 10% and sometimes 5%?
It follows the cost of watering. Land watered by rain, springs or a river pays a tenth, ushr means a tenth. Land watered by wells, pumps or bought water pays half that, because the effort and expense of irrigating is taken into account. Where both applied over a season, half of each is the commonly stated treatment, giving 7.5%.
What is five wasq in modern units?
A wasq is sixty sa', so five wasq is three hundred sa'. A sa' is a measure of volume rather than weight, so converting to kilograms depends on the crop. Using the conversion most commonly published it comes to roughly 653 kg. Treat that as approximate: a lighter crop filling the same measure weighs less.
Is there really no minimum on some views?
Abu Hanifa held that there is no threshold for produce, so a tenth is due on any quantity however small. The majority hold the five-wasq threshold applies and nothing is due below it. For a smallholder this is the difference between owing something and owing nothing, which is why the tool asks rather than picking one.
Can I deduct the cost of seed, labour and fuel first?
Some contemporary scholars permit deducting cultivation costs; the classical statements apply the rate to the harvest as it comes in. The tool offers no deduction field, because providing one would imply a settled method where there is not one. If this matters to your situation, it is a question to put to someone qualified.
Does this apply to all crops?
That is disputed too. Positions range from staples that can be stored and measured, through to everything the land produces including fruit and vegetables. The tool has no way of knowing what you grew, so it applies the rate to whatever quantity you enter. Whether your crop is covered is not a question it can answer.

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