Here is a Bluetooth enabled device that makes it easier to measure distances in your property. The Leica DISTO E7100i Laser Distance Measure has a 1/16″ accuracy up to 200 feet. It transfers measurements to your smart device wirelessly. The device has max/min and area/volume modes.
The DISTO E7100i is only 0.9 inches thick and weighs 3.25 ounces. It is IP54 certified.[where to get it]