The question is meaningless since 'square metres' is a measure of area, and kilograms is a measure of mass.
45 square meters is equal to 484.38 square feet.
3,500 square feet is equal to 325.2 (325.1606) square meters.
4363.75 square meters is equal to: 1.078 acres.
Approximately 34.9315 square meters.
939000 square centimeters are equal to 93.9 square meters. Another example is 777000 square centimeters are equal to 77.7 square meters.
One acre is equal to 4046.86 square meters.
17 square feet are 1.579352 square meters.
20 square meters are 215.278208 square feet.
42 square meters are 452.084238 square feet.
40 square meters are 430.556417 square feet.
75 (square meters) = 807.293281 square feet.
190 square meters = about 2,045.14 square feet.