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How much cement and sand does it take to lay a square floor?

Generally speaking, the ratio of cement to sand for paving a square floor is 1:2 or 1:3. A bag of cement is about 3-4 square meters. If calculated according to 4 square meters, it is 25 kg of cement and 50-75 kg of sand. This is only calculated according to theory, and there may be more operations, because the ground is uneven and there will be a lot of losses.