# Square Footage Calculator

> Calculate the area of a single room or a whole floor with multiple rooms. Supports feet, meters, yards, inches, and centimeters.

URL: https://uttir.com/square-footage-calculator
Categories: calculators
Privacy: All measurements stay in your browser.

## About

Calculate the area of a single room from its length and width, or add up the area of multiple rooms for a whole-floor total. The calculator returns square feet and square meters regardless of which unit you enter, so you can plan flooring, paint, or landscaping without converting numbers by hand.

Use the single-room mode for a quick estimate. Use the multi-room mode when you have an actual floor plan or a list of room dimensions.

## How to use

1. **Pick a unit** — Feet, meters, yards, inches, or centimeters.
2. **Single room: enter length and width** — Get the area in your unit, plus square feet and square meters.
3. **Whole floor: add rooms** — Each row sums to a grand total in square feet and square meters.

## Examples

### 12 ft × 10 ft bedroom

Single-room mode.

Output:

```
120 ft² · 11.15 m²
```

### Three rooms: 18×14, 12×10, 14×12 ft

Whole-floor mode.

Output:

```
500 ft² · 46.45 m²
```

## FAQ

### How do I convert between square feet and square meters?

1 square foot = 0.0929 square meters, or 1 square meter = 10.764 square feet. The calculator shows both side by side so you don't have to convert manually.

### How do I account for odd-shaped rooms?

Break the room into rectangles (or triangles), calculate each area, and sum them. The multi-room mode works for this — add one row per rectangle.

### Does this work for flooring and paint estimates?

For flooring: add 5-10% to the calculated area for cutting waste. For paint: a single gallon covers about 350-400 square feet per coat, so a 500 ft² room needs 2-3 gallons for two coats.

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For the full HTML page with the live tool, visit https://uttir.com/square-footage-calculator.
This file is the markdown rendering at https://uttir.com/square-footage-calculator.md. See https://uttir.com/llms.txt for a site-wide summary.