Area Converter
Convert area between metric and imperial units — from square millimeters to square kilometers, and from square inches to acres and hectares.
1,500 square feet = 139.35456 square meters
| Square millimeters | 139,354,560 mm² |
|---|---|
| Square centimeters | 1,393,545.6 cm² |
| Square meters | 139.35456 m² |
| Square kilometers | 0.00013935456 km² |
| Square inches | 216,000 in² |
| Square feet | 1,500 ft² |
| Square yards | 166.6666667 yd² |
| Acres | 0.03443526171 ac |
| Hectares | 0.013935456 ha |
Converted in your browser using exact unit definitions. Results show up to 10 significant digits.
Why Area Conversions Use Squared Factors
An area is a length multiplied by a length, so its conversion factor is the length factor squared. One foot is 0.3048 meters, so one square foot is 0.3048 × 0.3048 = 0.09290304 square meters — not 0.3048.
- 11 ft² = 0.09290304 m²
- 21,500 × 0.09290304 = 139.35456
Therefore: 1,500 square feet is about 139.35 square meters.
Common Area Conversions
| Unit | Square meters |
|---|---|
| 1 square inch | 0.00064516 m² |
| 1 square foot | 0.09290304 m² |
| 1 square yard | 0.83612736 m² |
| 1 acre | 4,046.8564224 m² |
| 1 hectare | 10,000 m² |
| 1 square kilometer | 1,000,000 m² |
When Is an Area Converter Useful?
- Property and floor plans
- Farmland and land plots
- Garden and lawn sizes
- Flooring and paint quantities
- Maps and geography
- Math and science homework
Frequently Asked Questions
One square meter is about 10.7639 square feet.
An acre is exactly 4,046.8564224 square meters, or 43,560 square feet — roughly 40% of a hectare.
One hectare (10,000 m²) is about 2.4711 acres.
Multiply the length by the width first to get the area, then convert. A 4 m × 5 m room is 20 m², which is about 215.28 ft².