Super Boring Tools

Search tools

Find a tool by name or what it does.

Area Converter

Convert area between metric and imperial units instantly.

Decimal places4
  • Square millimeters
    mm²
    100,000,000
  • Square centimeters
    cm²
    1,000,000
  • Square meters
    m²
    100
  • Hectares
    ha
    0.01
  • Square kilometers
    km²
    0.0001
  • Square inches
    in²
    155,000.31
  • Square feet
    ft²
    1,076.391
  • Square yards
    yd²
    119.599
  • Acres
    ac
    0.0247
  • Square miles
    mi²
    0

How to convert area units

  1. Enter a value

    Type the area amount into the input field at the top.

  2. Pick the source unit

    Choose the unit your value is measured in, such as square meters or acres.

  3. Read every result

    The full list of units updates live with the converted amounts.

  4. Copy what you need

    Use the copy button on any row to grab a single converted value.

Why use this tool

Nine common units

Convert between square meters, square kilometers, square feet, square yards, square inches, square miles, acres, and hectares at once.

Live results

Every unit recalculates as you type. There is no convert button to press.

Adjustable precision

Set how many decimal places to show, from whole numbers up to six places for small areas.

Readable large numbers

Thousands separators and compact notation keep very large or very small areas legible.

Private by design

Everything runs on your device. Your numbers never leave the page.

Free and unlimited

Convert as many values as you like with no account and no limits.

About this tool

Area conversion sits at the awkward border between the metric and imperial systems, and the factors are easy to get wrong. A square foot is not a foot squared away from a square meter in any tidy round number, and acres and hectares trip up almost everyone. This converter keeps a single source of truth: every unit is defined relative to one square meter, so each result comes from the same base and stays internally consistent.

Enter a value, choose its unit, and the tool converts it into all the other supported units at the same time. That covers land measurement units like acres and hectares, building and flooring units like square feet and square yards, and scientific units like square meters and square centimeters. Negative areas are rejected because they have no physical meaning, and empty input simply clears the results instead of showing errors.

The precision control lets you trade detail for readability. Tiny areas such as square inches often need several decimal places, while a plot measured in acres reads better rounded to two. Large results switch to compact notation so a figure like a few million square feet does not sprawl across the row.

If you work with lengths and distances too, try the square footage calculator for room-by-room totals, the area calculator for shapes, or the volume converter for three-dimensional measures.

Frequently asked questions

How many square feet are in a square meter?
One square meter equals about 10.7639 square feet. This converter uses that exact factor, so a value in square meters multiplies by roughly 10.76 to reach square feet.
What is the difference between an acre and a hectare?
A hectare is 10,000 square meters, while an acre is about 4,046.86 square meters. One hectare is roughly 2.471 acres, so hectares are the larger of the two units.
Does this work for very small or very large areas?
Yes. Small areas can be shown with up to six decimal places, and large results switch to compact notation so they stay readable instead of running off the row.
Can I enter a negative area?
No. Area cannot be negative, so negative input is ignored and the results stay blank until you enter zero or a positive value.
Are my numbers sent anywhere?
No. All conversion happens on your device inside the page. Nothing you type is uploaded or stored.

Related tools