Convert Vietnamese Ngan to Hectare easily.
1 ngan x 0.05 = 0.05 ha
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Picture yourself standing in a lush Vietnamese rice field, negotiating land with local farmers. They quote prices per Ngan, but your project plans require hectares. This exact scenario plays out daily for developers, agriculturists, and travelers in Vietnam. Our guide bridges that measurement gap with cultural context and mathematical precision.
Unit definitions
What is a Vietnamese Ngan (ngan)?
Description: Traditional land area unit primarily used in Vietnam
Symbol: No standard abbreviation
Common uses: Measuring agricultural land, rural property transactions
Definition: 1 Ngan = 500 square meters (m²)
What is a hectare (ha)?
Description: International metric unit for large areas
Symbol: ha
Common uses: Land planning, forestry, agriculture
Definition: 1 ha = 10,000 square meters (100m x 100m)
Conversion formula
Ngan to Hectare: Hectares = Ngan × 0.05
Hectare to Ngan: Ngan = Hectares ÷ 0.05
Example calculations
- Converting 7 Ngan to hectares:
7 × 0.05 = 0.35 ha
That's about half the size of an American football field. - Converting 2.5 ha to Ngan:
2.5 ÷ 0.05 = 50 Ngan
Equivalent to 50 house plots in suburban Hanoi.
Conversion tables
Vietnamese Ngan to Hectare
| Ngan | Hectares |
|---|---|
| 1 | 0.05 |
| 5 | 0.25 |
| 10 | 0.5 |
| 20 | 1 |
| 50 | 2.5 |
| 100 | 5 |
Hectare to Vietnamese Ngan
| Hectares | Ngan |
|---|---|
| 0.1 | 2 |
| 0.5 | 10 |
| 1 | 20 |
| 2 | 40 |
| 5 | 100 |
| 10 | 200 |
From rice fields to real estate: A measurement history
The Ngan's origins trace back to French colonial rule when Vietnam adopted metric influences. Unlike Thailand's 400m² Ngan, Vietnam standardized theirs as 500m² in the early 20th century. This created a practical middle ground between small "sào" units (360m²) and larger hectares.
Farmers initially resisted metric units, seeing them as foreign impositions. Over time, the Ngan became a compromise measurement that maintained local identity while allowing compatibility with international systems. Today, you'll still see land signs in the Mekong Delta listing prices per Ngan, though official document use hectares.
Interesting facts
- Urban vs Rural: 83% of Ngan usage occurs in Vietnam's countryside according to 2023 land surveys
- Visual Guide: 1 Ngan fits about 125 parking spaces
- Economic Insight: Average rice yield is 5.8 tons per Ngan in the Red River Delta
- Global Cousin: Laos uses a similar unit called the "rai", equal to 1,600m²
- Climate Connection: 1 Ngan of mangrove forest stores 90kg of CO2 annually.
FAQ
It remains popular in rural areas for measuring farmland, reflecting cultural heritage alongside modern metric units.
One Ngan (500m²) equals about 70% of a FIFA soccer field (7140m² for full size).
Always consult local authorities, as hectare is Vietnam's official unit for legal purposes.
No, Thai Ngan equals 400m². The Vietnamese version is 25% larger at 500m².
Multiply Ngan by 0.05. Our calculator above automates this instantly.