1,The theoretical weight calculated by this tool is different from the actual weight, and the error is about 0.2%-0.7%. The calculation result is only for estimation and reference, and it is not recommended to use it in actual transactions.

2,Calculation formula: theoretical weight W=0.00000785*d*w*L

1,The theoretical weight calculated by this tool is different from the actual weight, and the error is about 0.2%-0.7%. The calculation result is only for estimation and reference, and it is not recommended to use it in actual transactions.

2,Calculation formula: theoretical weight W=0.00000617*d*d*L

1,The theoretical weight calculated by this tool is different from the actual weight, and the error is about 0.2%-0.7%. The calculation result is only for estimation and reference, and it is not recommended to use it in actual transactions.

2,Calculation formula: theoretical weight W=0.000006165*d*d*L

1,The theoretical weight calculated by this tool is different from the actual weight, and the error is about 0.2%-0.7%. The calculation result is only for estimation and reference, and it is not recommended to use it in actual transactions.

2,Calculation formula: theoretical weight W=0.00002466*S(D-S)*L