⚖️ Arrobas (Spain) to Stone Converter

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1 arroba =
1.81129 stone
1 stone =
0.552091 arrobas
Formula
st = @ × 1.81129
Handy values
5 @ = 9.05647 st · 10 @ = 18.1129 st · 100 @ = 181.129 st

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⚡ Arrobas (Spain) to Stone: the quick answer

1 @ = 1.81129 st 1 arroba equals 1.81129 stone

To convert arrobas to stone, multiply the value by 1.81129. To go the other way, multiply stone by 0.552091 to get arrobas.

↔ Convert stone to arrobas instead

🧮 Formula

Arrobas (Spain) to Stone
st = @ × 1.81129
Stone to Arrobas (Spain)
@ = st × 0.552091

Where

  • @ = the weight in arrobas
  • st = the weight in stone
Every unit here is defined by its weight in kilograms, so the conversion factor is (kilograms per arroba) ÷ (kilograms per stone).

📊 Arrobas (Spain) to Stone conversion table

Arrobas (Spain) (@)Stone (st)
1 @1.81129 st
2 @3.62259 st
3 @5.43388 st
4 @7.24518 st
5 @9.05647 st
6 @10.8678 st
7 @12.6791 st
8 @14.4904 st
9 @16.3016 st
10 @18.1129 st
12 @21.7355 st
14 @25.3581 st
15 @27.1694 st
20 @36.2259 st
21 @38.0372 st
24 @43.4711 st
25 @45.2824 st
30 @54.3388 st
40 @72.4518 st
50 @90.5647 st
60 @108.678 st
75 @135.847 st
80 @144.904 st
100 @181.129 st
200 @362.259 st
250 @452.824 st
300 @543.388 st
400 @724.518 st
500 @905.647 st
750 @1,358.47 st
1,000 @1,811.29 st

📘 About these units

Arroba (@). The Spanish arroba is 25 libras (11.502 kg), still used for cattle in Latin America. Used in: Europe — Spain & Latin America.

Stone (st). A stone is 14 pounds (6.35 kg), used for body weight in the UK and Ireland.

❓ Frequently asked questions

How many stone are in one arroba?

There are 1.81129 stone in one arroba.

How do I convert arrobas to stone?

Multiply the number of arrobas by 1.81129. For example, 10 arrobas equal 18.1129 stone.

How many arrobas are in one stone?

One stone equals 0.552091 arrobas.

How many stone is 12 arrobas?

21.7355 stone. Other common values: 5 arrobas = 9.05647 stone and 100 arrobas = 181.129 stone.

What people are saying
★★★★★
Anonymous · 22 Oct 2026