Ubon Ratchathani is 2.09× the size of Okayama
Ubon Ratchathani (province of Thailand) covers about 14,500 km² (5,610 mi²) and Okayama (prefecture of Japan) about 6,930 km² (2,680 mi²). Below, both outlines are drawn at one scale and centred on each other.
- 14,500km²Ubon Ratchathani
- 6,930km²Okayama
50 km
- Ubon Ratchathani
- Okayama
What fits
- Okayama fits inside Ubon Ratchathani about 2.09 times by area.
- Ubon Ratchathani is larger by 7,590 km² (2,930 mi²), which is 109% of the area of Okayama.
- Measured in Belgiums: Ubon Ratchathani is about 0.47, Okayama about 0.23.
How they differ
- Ubon Ratchathani is larger, but Okayama has the larger population: 1.9 million against 1.9 million, 1.01× as many people.
- Per square kilometre that is 271 in Okayama against 129 in Ubon Ratchathani: Okayama is 2.11× as densely populated.
- Their centres are about 3,600 km apart.
- A standard web map misstates the comparison: Ubon Ratchathani at 15°N is drawn about 1.1× too large and Okayama at 35°N about 1.5×, so the map shows Ubon Ratchathani as 1.51× the size of Okayama instead of 2.09×.
- Together Ubon Ratchathani and Okayama cover 21,500 km², close to the size of Djibouti (21,800 km², 1.8% bigger).
- The gap between them, 7,590 km², is about the size of Palestine (6,070 km²).
- At Okayama's density, Ubon Ratchathani would have 3.9 million people (it has 1.9 million). At Ubon Ratchathani's density, Okayama would have 891,000 (it has 1.9 million).
- Okayama's centre is 19.7° of latitude, about 2,190 km, farther north than Ubon Ratchathani's.
- Ubon Ratchathani is the 5th largest of the 77 provinces of Thailand and covers 2.8% of its area; it is the 35th most densely populated of them.
- Okayama is the 18th largest of the 47 prefectures of Japan and covers 1.9% of its area; it is the 24th most densely populated of them.
- Okayama lies about 20° of latitude (roughly 2,190 km) north of Ubon Ratchathani.
- Shared out evenly, each person in Ubon Ratchathani would have about 7,780 m² and each person in Okayama about 3,690 m².
- Laid side by side, Ubon Ratchathani and Okayama would cover 21,500 km², about the same size as Djibouti.
- Together they have 3.7 million people, about as many people as Bosnia and Herzegovina.
Side by side
| Ubon Ratchathani | Okayama | |
|---|---|---|
| Is a | ProvinceThailand | PrefectureJapan |
| Area, measured | 14,500 km²5,610 mi² | 6,930 km²2,680 mi² |
| Official area | 15,700 km²Wikidata | 7,110 km²Wikidata |
| Rank by area | 5th of 77in Thailand | 18th of 47in Japan |
| Population | 1.9 millionWikidata, 2020 | 1.9 millionWikidata, 2021 |
| Rank by population | 3rd of 77in Thailand | 20th of 47in Japan |
| Density | 129 per km² | 271 per km² |
| Capital | Ubon Ratchathani | Okayama |
| Latitude range | 14°N to 16°N | 34°N to 35°N |
Population: Wikidata 2020 and Wikidata 2021. Official figures: Wikidata (CC0).
- Our measured 14,500 km² is 7.8% below Wikidata's official figure of 15,700 km². Official figures can include inland water or count land that an outline draws differently. This difference is flagged for review.
- Our measured 6,930 km² is 2.5% below Wikidata's official figure of 7,110 km². Official figures can include inland water or count land that an outline draws differently.
Similar in size to Ubon Ratchathani
Similar in size to Okayama
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Sources and method
- Outlines
- Natural Earth, 1:10m Admin 1 - States, Provinces, public domain
- Boundary
- De facto, as drawn by Natural Earth. A region is drawn whole, every island included; a country is its main territory.
- Area
- Measured on the WGS84 ellipsoid from the full-detail outlines, shown rounded.
- Drawing
- Each outline is projected with an equal-area projection centred on its own centroid, so areas stay true and the two can be laid over each other.
- Data built
- 2026-11-12
