RenoQuantix Calculator

Square Footage Calculator

Calculate the area of a rectangle, square, circle, or triangle in US and metric units.

Calculator units

Example values are prefilled. Replace them with your project measurements; results update automatically as you edit.

Shape

Choose a shape

How it works

How this calculation works

Choose a shape, enter its dimensions, and RenoQuantix calculates area using the standard geometry formula.

The result is converted into square feet, square yards, and square meters without changing the underlying physical area.

Assumptions

What this estimate assumes

  • The shape should match the area you are measuring.
  • Irregular rooms can be split into multiple simple shapes and added manually.
  • This tool measures area only and does not add material waste.

Example

Example: a rectangular room

A 12 ft × 10 ft rectangle is 120 sq ft. RenoQuantix also shows the equivalent square yards and square meters.

Practical tips

Before you buy

  • Break L-shaped spaces into rectangles.
  • Measure finished usable dimensions when estimating finish materials.
  • Use the resulting area as an input to flooring, tile, paint, mulch, or gravel tools when appropriate.

Calculator limits

Use the result as a planning estimate

RenoQuantix turns the measurements and product information you provide into a material estimate. Product specifications, local requirements, installation methods, site conditions, and measurement error can change the final amount you need.

When the project affects structure, safety, code compliance, or regulated work, confirm those requirements separately.

FAQ

Frequently asked questions

Does this calculator add waste?

No. It reports measured geometric area only. Material-specific tools can apply their own editable waste allowances.

Can I calculate an irregular room?

Split it into simple shapes, calculate each area, then add them together.

Why are multiple area units shown?

They help you compare products and project documents that use different unit systems.

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