Square Nautical Miles to Square Meters: the quick answer
1 NM² = 3,429,900 m²
1 square nautical mile equals 3,429,900 square meters
To convert square nautical miles to square meters, multiply the value by 3,429,900. To go the other way, multiply square meters by 2.91553 × 10⁻⁷ to get square nautical miles.