An estimate is a commercial document issued by a seller to a prospective buyer.

This estimate format and generator can be used by a seller or service provider to quickly and easily generate an estimate for the sale of goods or services. Once, the estimate is generated, it can be printed on the letterhead of the Company and issued to the prospective Buyer. It is a common practice to affix the seal of the company and sign the invoice while issuing the document to the prospective Buyer.