Unit Converters

Area Converter

Convert between square metres, square feet, square kilometres, acres, hectares, and square miles — all updating simultaneously as you type. Perfect for real estate, land, and construction.

All units update live as you type No sign-up required Browser-only — works offline

Area

Type in any field — all other units update instantly

Features

  • sq mm, sq cm, sq m, sq km
  • sq in, sq ft, sq yd, sq mi
  • Acres and hectares
  • All 11 units update live simultaneously
  • Results to 8+ significant figures
  • Browser-only, no account needed

How to use it

  1. Type your area value in any field.
  2. All other units update instantly.
  3. Use the unit selector to set your preferred starting unit.

Use cases

  • Converting square feet to square metres for property listings
  • Comparing land sizes in acres vs hectares
  • Engineering and architecture area calculations
  • Garden planning with mixed metric/imperial measurements

Limitations

  • Browser processing depends on available device memory for very large inputs.
  • Tool-specific limits based on file format or browser support are noted on each tool page.
Questions & answers

Frequently asked

How many square feet is 1 acre?

1 acre = 43,560 square feet (or 4,047 square metres).

What is a hectare in acres?

1 hectare = 2.471 acres, or 10,000 square metres.