A highly accurate digital plan measure or construction calculator helps improve productivity with quick, accurate takeoffs from scaled or unscaled blueprints, plans and drawings. Contractors, estimators, engineers and architects can use them in the field or on the estimating table. Choose from the standard electronic plan measure, with 72 built-in metric and Imperial scales and six separate custom scales, and the advanced linear construction calculator that includes 91 scales, eight custom scales and two memories. Whichever model you choose, Grainger carries the digital plan measure that can help make your takeoffs easier and highly accurate.