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2025
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How to Estimate Carbon Steel Weight and Cost: Simple Formulas Buyers Can Use
Start With the Basic Weight Formula
If you’ve ever tried to order carbon steel without knowing its weight, it can feel like buying fruit without a scale—you just guess and hope for the best. Luckily, steel weight follows a simple formula:
Weight = Volume × Density
Carbon steel density is roughly 7.85 g/cm³, which makes it easy to estimate weight once you know the product’s dimensions.
Use Quick Formulas for Common Shapes
You don’t need to be an engineer to calculate steel weight. For example:
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Steel plate: Weight (kg) = Length × Width × Thickness × 7.85
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Round bar: Weight (kg) = 0.006165 × Diameter² × Length
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Square bar: Weight (kg) = Length × Width × Height × 7.85
These quick formulas help you get a close estimate so you can plan shipping, storage, and pricing before placing an order.
Estimate Total Cost With a Simple Method
Once you know the weight, calculating cost becomes straightforward:
Total Cost = Weight × Price per Ton (or per kg)
Think of it like filling up your car: once you know how many liters you need and the price per liter, you can predict the total bill. The same logic applies to steel.
Let Reliable Suppliers Guide You
At Dongte Metal, we provide exact weight calculations and transparent pricing to help buyers make smarter decisions. Whether you're ordering plates, coils, or bars, we make the numbers easy to understand.
For accurate weight estimates and competitive pricing, feel free to contact Dongte Metal today.
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