Standard Floor Trim Size

Most trim pieces graduate in 1 4 inch increments.
Standard floor trim size. They can be simple or ornate when coupled with quarter round or other styles of trim. Size if you opt for standard 2 1 2 inch door molding standard 3 or 4 inch baseboards are going to be too skimpy. A standard 8 foot wall typically has a baseboard 3 to 5 inches tall while a 10 foot ceiling calls for 5 to 7 inches. Casing it usually smaller than baseboard but can be as wide as baseboard is tall.
If your window or door trim is between 1 1 2 and 2 1 2 inches plan on making your exterior trim pieces about twice. When all of the trim pieces coordinate buildings appear balanced. Standard in most homes baseboards join the wall trim and the floor. If the trim is too small or too large it can be like a clown wearing a minuscule hat or supersize pair of shoes.
Standard door and window trim is typically 2 1 4 inches in width baseboard is about 3. Baseboards are usually thinner than casings but when both are selected the result is a harmonious cohesive look. Getting the size and proportions of trim correct can make a huge difference in how a room is used and enjoyed. Standard wood trim sizes and dimensions are important for aesthetics.