Description of Area Unit Converter

This online converter provides global area unit conversions for engineering surveying, land planning, property valuation, academic research and many other scenarios.

Commonly used metric units

Square kilometres(km²)： 1 square kilometre = 100 hectares = 247.1 acres
Hectare(ha)： 1 hectare = 10,000 square metres = 15 city acres
Square metre(m²)： Basic international unit, 1 square metre ≈ 10.764 square feet.

British and American Units

Acre(acre)： 1 acre ≈ 0.4047 hectare ≈ 4047 square metres
Square Foot(ft²)： 1 square foot ≈ 0.093 square metres
square mile(mile²)： 1 square mile ≈ 2.59 square kilometres

Municipal units

Acre： 1 acre ≈ 666.67 square metres
square sazhens： 1 square sazhens = 100 square feet ≈ 11.11 square metres

User Guide

1. Enter the value to be converted in the input box
2. Select the original unit type
3. Select the target unit type
4. The system will display the conversion result in real time

Note: This tool adopts the international standard conversion rate, the result retains 6 decimal places, can meet the needs of most professional.