Use this free online calculator to convert Arroba [Portugal] to Onza [Spanish] instantly. This all weight conversions conversion tool provides accurate results for all your measurement needs.

Quick Reference

1 Arroba [Portugal] = 512.0251 Onza [Spanish]

1 Onza [Spanish] = 1.953e-3 Arroba [Portugal]

Arroba [Portugal] to Onza [Spanish] Conversion Formula

To convert Arroba [Portugal] to Onza [Spanish], multiply by 512.0251.

Onza [Spanish] = Arroba [Portugal] × 512.0251

Arroba [Portugal] = Onza [Spanish] × 1.953e-3

To convert Onza [Spanish] back to Arroba [Portugal], divide by 512.0251 (or multiply by 1.953e-3).

About These Units

About Arroba [Portugal]

The arroba [Portugal] is a traditional unit of weight in Spain and Portugal, equal to 1/4 quintal. However, the Spanish and Portuguese quintals are of different sizes. In Portugal and Brazil, the arroba traditionally equals 32.38 pounds (14.69 kilograms, but in recent years this has been "metrized" to be exactly 15 kilograms). The arroba has also been used as a metric unit equal to exactly 15 kilograms. The name of the unit comes from ar rub, Arabic for "the quarter."

About Onza [Spanish]

The onça, once, oncia, onza is traditional names for the ounce unit in Romance languages. The Portuguese onça and Spanish onza equal 1/16 libra or about 28.69 grams (1.012 ounce).

Arroba [Portugal] to Onza [Spanish] Conversion Table

Arroba [Portugal]	Onza [Spanish]	Onza [Spanish]	Arroba [Portugal]
0.1	51.2025	0.1	1.953e-4
0.5	256.0125	0.5	9.765e-4
1	512.0251	1	1.953e-3
2	1024.05	2	3.906e-3
5	2560.13	5	9.765e-3
10	5120.25	10	0.019530
20	10240.50	20	0.039061
25	12800.63	25	0.048826
50	25601.25	50	0.097651
100	51202.51	100	0.195303
250	128006.27	250	0.488257
500	256012.55	500	0.976515
1000	512025.10	1000	1.9530

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