Primer Calculator

Pick your surface, color change, and condition to get a practical primer recommendation and estimate.

What you get

Your results will show whether primer is likely needed, what type fits your surface, and how much to plan for.

Primer calculator FAQs

Do I always need primer before painting?

No, but it is usually recommended on drywall, bare wood, laminate, glossy surfaces, stained areas, and major color changes.

How much primer do I need?

A gallon often covers around 250 to 300 square feet depending on the product and surface.

What primer should I use on laminate?

A bonding primer made for slick surfaces is the safest choice for laminate furniture and cabinets.

Related tools