The square metre is a measure of area and is calculated as length x width.
As you've given no width, 860m long x 0 m wide = 0 square metres.
860m² = 9,257.0ft²
You can't convert meters to square meters.
In 860 what? 860 light years, 860 miles, 860 yards, 860 in, 860 km, 860m, 860 mm?
860 centimeters is 8.6 meters.
860 cm = 8.6 meters
8.6 meters is 860 centimeters.
2821.5223 feet
860 cm
860
287
divide by 9 to convert square feet into square yards, ormultiply by (0.3048 x 0.3048) to convert square feet into square meters
1 860 m in 1.86 km