1000 Meter Grid Map to Acres Conversion 1:25,000 1 Grid Square equals 1,000,000 Square Meters 1 Grid Square equals 247.1 acres (250 acres) ½ Grid Square equals 123.5 acres ¼ Grid Square equals 61.7 acres 1/8 Grid Square equals 30.85 acres 1/10 of a mile equals 528 feet Get this Calculator