# Free online area converter

> Area uses squared length units — square feet and acres in the US, square meters and hectares internationally. This converter handles both and shows every equivalent at once.

Convert area between square millimeters, square centimeters, square meters, square kilometers, square inches, square feet, square yards, acres, and hectares.

**Interactive version:** https://onlinecalculator.me/unit-converters/area/
**Category:** Unit Converters

## How to use

1. Enter the area value you want to convert.
2. Select the unit you are converting from.
3. Select the unit you want the result in.
4. The converted value appears instantly, and the table below shows equivalents in all supported units.

## Conversion reference

| From | To | Multiply by |
|---|---|---|
| sq ft | sq m | 0.092903 |
| sq m | sq ft | 10.7639 |
| acres | sq ft | 43,560 |
| acres | sq m | 4,046.86 |
| hectares | acres | 2.47105 |
| sq km | sq m | 1,000,000 |
| sq km | acres | 247.105 |
| sq yd | sq ft | 9 |

## Real-world reference points

| Area | Value |
|---|---|
| Standard parking space | ~8.5 m² (91 ft²) |
| Tennis court (singles) | 195.7 m² (2,106 ft²) |
| American football field | ~0.53 acres (0.21 ha) |
| New York City Central Park | 341 hectares (843 acres) |
| Average US house lot | ~0.17 acres (6,970 ft²) |

## Worked examples

### A 1,200 sq ft apartment in square meters

- 1,200 × 0.092903 = **111.48 m²**
- Also: 133.3 square yards, or 1.115 ares

### A 5-acre property in hectares and square meters

- 5 × 0.404686 = **2.023 hectares**
- 5 × 4,046.86 = **20,234 m²**
- Or, as a square: roughly 142 × 142 m

### A 2 hectare field

- 2 × 10,000 = **20,000 m²**
- 2 × 2.47105 = **4.942 acres**
- 2 × 107,639 = 215,278 ft²

## Notes

- **Square vs. linear** — doubling a length quadruples the area. A 20 × 20 ft room isn't "twice" a 10 × 10 ft room, it's four times the floor space.
- **Acre ≠ square acre** — "acre" is already a unit of area. "Square acre" isn't a real unit; don't let anyone sell you one.
- Conversion factors follow SI definitions and the international acre (4,046.8564 m²).
- The acre is defined exactly as 43,560 square feet.
- Results are rounded to 6 decimal places.

## Frequently asked questions

### How many square feet are in a square meter?

1 square meter = 10.7639 square feet. To convert sq ft to sq m, multiply by 0.092903.

### How many square feet are in an acre?

1 acre = 43,560 square feet exactly. An acre is also equal to 4,046.856 square meters or 0.404686 hectares.

### How many acres are in a hectare?

1 hectare = 2.47105 acres. A hectare is 10,000 square meters (a 100 m × 100 m square).

### How do you convert square feet to square meters?

Multiply by 0.092903. Example: 1,000 sq ft × 0.092903 = 92.9 sq m. To reverse, multiply sq m by 10.7639.

### How many square feet are in a square yard?

1 square yard = 9 square feet. A yard is 3 feet, so a square yard is 3 × 3 = 9 square feet.

### What is the difference between a hectare and a square kilometer?

1 square kilometer = 100 hectares = 1,000,000 square meters. A hectare is a more practical unit for land area — about the size of a soccer field.

## Sources

- [Area — definition, SI units, and conversions](https://en.wikipedia.org/wiki/Area) — Wikipedia
- [Acre — imperial/US customary land area unit and conversions](https://en.wikipedia.org/wiki/Acre) — Wikipedia

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