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Material Engineering2D

Metal Weight Calculator

Universal metal weight calculator supporting steel, stainless, aluminum, copper, brass, bronze, titanium, and more.

Inputs
Enter your values below
Result
Weight
—
Enter values and click Calculate
Loading visualization…
Formula
length × width × thickness × density
Result unit: kg

Universal formula: Weight = Volume × Density. Select from 15+ metals with pre-loaded density values.

Introduction

Universal metal weight calculator supporting 25+ metals and alloys. Select your material from the dropdown and enter dimensions to get weight.

How This Calculator Works

Universal formula: Weight = Volume × Density. Select from 15+ metals with pre-loaded density values.

Step-by-step process:

  1. Enter your input values in the calculator above
  2. The engine converts all inputs to SI base units (meters, kg, Pa)
  3. The formula is evaluated: length * width * thickness * density
  4. Result is formatted with the appropriate unit and precision

Calculation Example

A 1000×500×10mm carbon steel plate weighs 39.25 kg.

Inputs: length=1000, width=500, thickness=10, density=7850
Result: 39.25 kg

Unit Conversion for Metal Weight

**Weight units**

- 1 kg = 2.20462 lb

- 1 tonne = 1000 kg = 2204.62 lb

- 1 lb = 0.4536 kg

**Length units**

- 1 m = 3.28084 ft

- 1 inch = 25.4 mm

**Density units**

- 1 kg/m³ = 0.06243 lb/ft³

Weight = density × volume. Convert all dimensions to one consistent unit system (metric or imperial) before computing, then convert the result to the required weight unit.

Metal Density Comparison

Weight of any metal part = Volume x Density, so density drives the comparison between metals:

| Metal | Density (kg/m3) |

|---|---|

| Carbon steel | 7850 |

| Stainless steel 304 | 7930 |

| Stainless steel 316 | 7990 |

| Aluminum | 2700 |

| Copper | 8960 |

| Brass | 8500 |

| Bronze | 8800 |

| Titanium | 4510 |

| Cast iron | 7200 |

| Zinc | 7140 |

| Nickel | 8908 |

| Lead | 11340 |

For the same dimensions, copper weighs about 14% more than carbon steel, aluminum about 66% less, and titanium about 43% less. Use the calculator with the correct material selected - the pre-loaded densities give the right result without manual unit conversion.

Engineering Applications

  • •Material estimating
  • •Shipping calculation
  • •Cost estimation
  • •Inventory management

Frequently Asked Questions

Which metals are supported?

Carbon steel, stainless 304/316, aluminum, copper, brass, bronze, titanium, cast iron, nickel, lead, zinc, HDPE, PVC, glass, and various woods.

How accurate is the calculation?

The calculator uses standard published density values. Actual weights may vary slightly due to alloy composition and manufacturing tolerances.

How do I convert weight between kg and lb?

1 kg = 2.20462 lb. For example, a 100 kg steel bar weighs 220.5 lb. Conversely, divide lb by 2.20462 to get kg.

How much lighter is aluminum than steel?

Aluminum density is about 2700 kg/m3 versus 7850 kg/m3 for carbon steel, so an aluminum part of the same size weighs about 34% of the steel version - roughly two-thirds lighter. This is why aluminum is chosen for aircraft, truck bodies and lightweight structures. For strength at the same weight, aluminum sections are often made thicker, so compare finished geometry, not just density.

Related Calculators

Steel Weight CalculatorAluminum Weight CalculatorCopper Weight CalculatorStainless Steel Weight CalculatorRound Bar Weight CalculatorSteel Plate Weight CalculatorPipe Weight CalculatorDensity CalculatorMaterial Volume Calculator

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Engineering Disclaimer: Calculations are for reference and educational purposes only. Always verify results independently for engineering design. See full disclaimer.
Reviewed by: Industrial Engineering Team
References: ASME B31.3, ASTM A36, Perry's Chemical Engineers' Handbook