Convert square kilometer to acre (US survey)
Please provide values below to convert square kilometer [km^2] to acre (US survey) [ac (US)], or Convert acre (US survey) to square kilometer.
1 km^2 = 247.104393047 ac (US). To convert square kilometer to acre (US survey), multiply the value by 247.104393047; to go the other way, divide by it (1 ac (US) = 0.00404687260987 km^2). Both units measure area and appear in everyday as well as technical calculations, so switching between them quickly is often useful.
Quick Reference
- 1 km^2 = 247.104393047 ac (US)
- 1 ac (US) = 0.00404687260987 km^2
- 10 km^2 = 2471.04393047 ac (US)
- 100 km^2 = 24710.4393047 ac (US)
How to Convert Square Kilometer to Acre (Us Survey)
1 km^2 = 247.104393046888 ac (US)
Example: convert 15 km^2 to ac (US):
15 km^2 = 15 × 247.104393046888 ac (US) = 3706.56589570331 ac (US)
Square Kilometer to Acre (Us Survey) Conversion Table
| square kilometer | acre (US survey) |
|---|---|
| 1 km^2 | 247.104393047 ac (US) |
| 2 km^2 | 494.208786094 ac (US) |
| 3 km^2 | 741.313179141 ac (US) |
| 5 km^2 | 1235.52196523 ac (US) |
| 10 km^2 | 2471.04393047 ac (US) |
| 20 km^2 | 4942.08786094 ac (US) |
| 50 km^2 | 12355.2196523 ac (US) |
| 100 km^2 | 24710.4393047 ac (US) |
| 500 km^2 | 123552.196523 ac (US) |
| 1000 km^2 | 247104.393047 ac (US) |
Square Kilometer
A square kilometer is a unit of area equal to the area of a square with sides measuring one kilometer each.
History/Origin
The square kilometer has been used as a standard unit of area measurement in the metric system since its adoption, primarily for measuring large land areas such as countries and regions.
Current Use
It is commonly used in geography, urban planning, and environmental studies to quantify land and area sizes, especially in contexts requiring large-scale measurements.
Acre (Us Survey)
An acre (US survey) is a unit of area used primarily in land measurement, equal to 43,560 square feet or approximately 4,046.86 square meters.
History/Origin
The acre originated in medieval England as a measure of land area that could be plowed in one day with a yoke of oxen. It was standardized in the United States based on the survey system, maintaining its traditional size for land measurement purposes.
Current Use
The acre (US survey) is still used in the United States for real estate, agriculture, and land planning, especially in rural and agricultural contexts, although the metric system is increasingly adopted globally.
Frequently Asked Questions
What is 1 square kilometer in acre (US survey)?
1 square kilometer (km^2) = 247.104393047 acre (US survey) (ac (US)).
How do you convert square kilometer to acre (US survey)?
Multiply the square kilometer value by 247.104393047. For example, 25 km^2 × 247.104393047 = 6177.60982617 ac (US).
What is 10 square kilometer in acre (US survey)?
10 km^2 = 2471.04393047 ac (US).
Which unit is larger, the square kilometer or the acre (US survey)?
The square kilometer is the larger unit: 1 km^2 = 247.104393047 ac (US).