These are the dimensions of the top three soap bar sizes. There are no rules for the weight or dimensions of these soap bars.
This bar generally is 1 to 2 inches in length by 1 to 1-1/4 inches in width, and 1/4 in thickness. The weights of these soap bars are less because they are smaller bars in size and weigh anywhere from a half ounce (14 grams) to two ounces (57 grams). This weight is excellent for creating multi-soap bar sample packs of your product lines. The weight of soap bar is also excellent for single-use for hotels/motels/bed and breakfast, and as aromatic sense bath fizzes which dissolve quickly releasing your perfect scents.
Hand/Face/Beauty Soap Bar
This bar is 3 inches in length by 2 inches in width, and 1 inch in thickness. The weights of this bar is generally 3.0 to 4 ounces or 85 to 114 grams. This weight is a great size to cast your soap formula, bath fizzes, pumice slurries (abrasives) that form a solid state, moisturizing bars, specially hair-care and conditioner bars.
Bath/Body/Family/Industrial/Laundry Soap Bar
This bar generally is 4 to 6 inches in length by 3 inches in width, and 1 to 1-1/2 inches in thickness. These bars generally weigh 4.5 to 8 ounces or 128 to 227 grams. The larger sized bars require and use more soap formula. These larger bars are used for animal-care soap for pets, horses, and any livestock. These bars are also used as industrial and laundry soap bars.
Because of the large size of these soap bars we recommend creating a silicone mold 6 to 9 soap cavities per mold.