You first need to find out what the pieces are. 12 mm is a measure of length. Length, by itself cannot be converted to an equivalent mass.
Mass per Meter Run in Kg
1.2 cm in 12mm
You have specified three dimensions. A rectangular area will have a length and a width. If your length is 90m, is the width 25mm or 12mm? I can't make sense of this as it is.
18 pieces
I think you can make 12 pieces at most
1.2 cm
To calculate how many 12mm steel bars are in one ton (1000 kg), you can use the standard formula: 🔹 Step-by-step Calculation: Weight of 1 meter of 12mm TMT bar: Use the formula: Weight/meter = (Diameter² × 0.006165) = (12 × 12 × 0.006165) = 0.888 kg/m Length of one 12mm bar (standard): 12 meters Weight of one 12mm bar (12m long): = 0.888 kg/m × 12 m = 10.656 kg Number of bars in 1 ton (1000 kg): = 1000 / 10.656 ≈ 93.84 Answer: You get approximately 94 bars of 12mm TMT steel in one ton.
12mm = 1.2cm
Impossible
50 square mm because 12mm 12 meter 1mm 1m 100mm= 1m
You need to make sure that the sentence you make fits the word pieces. For example: I have 24 pieces of cake. How many pieces do I need to collect? The word pieces is most often used in numbers and more than 2.
1 gigameter (Gm) is 1e+12mm