Free Online Tool

Brass Calculator

Calculate brass weight and value by dimensions or weight. Supports sheet, rod, and pipe shapes with current brass rate pricing.

Brass Shape

Length (mm)

Width (mm)

Thickness (mm)

Brass Rate (₹ per kg)

What is the Brass Calculator?

The Brass Calculator is a free online tool for calculating the weight and value of brass in various forms — sheets, round rods, and pipes. Brass is a versatile copper-zinc alloy widely used in manufacturing, construction, hardware, musical instruments, and decorative applications. Our calculator helps you determine the weight of a brass component from its dimensions using the standard density of 8.5 g/cm3, and then calculates its market value based on the current brass rate per kilogram. This tool is essential for manufacturers, fabricators, scrap dealers, engineers, and anyone buying or selling brass materials.

Brass is one of the most widely used non-ferrous metals in the world. Its combination of strength, corrosion resistance, machinability, and attractive gold-like appearance makes it popular for applications ranging from plumbing fittings and electrical terminals to musical instruments and architectural hardware. The value of brass is primarily determined by its copper content, as copper constitutes 60-70% of most brass alloys and is significantly more expensive than zinc. Understanding the weight and value of brass components is crucial for accurate pricing, inventory management, and cost estimation in manufacturing and trading.

How to Use the Brass Weight & Price Calculator

Follow these steps:

Select Shape: Choose Sheet/Plate, Round Rod, or Round Pipe.
Enter Dimensions: For sheet — length, width, thickness in mm. For rod — diameter and length. For pipe — outer diameter, wall thickness, and length.
Enter Rate: Input the current brass rate per kg (check with local dealers for the latest rate).
Click Calculate: Instantly see the weight in kg, total value, and volume in cm3.

The calculator uses the formula Weight = Volume × Density. For sheets, volume = L × W × T. For rods, volume = π × (D/2)² × L. For pipes, volume = π × (OD - WT) × WT × L. All dimensions are converted from mm to cm for consistent density application.

Brass Density and Composition

Brass density varies with its copper-zinc ratio. Standard yellow brass (C26000 / C27200) with 63-70% copper has a density of about 8.53 g/cm³. Red brass (C23000) with 85% copper is denser at 8.75 g/cm³ due to higher copper content. Naval brass (C46400) with added tin for corrosion resistance has a density of 8.41 g/cm³. For general engineering calculations, 8.5 g/cm³ is widely accepted as the standard density for brass. This is about 8% higher than mild steel (7.85 g/cm³), meaning brass components are heavier than steel components of the same dimensions — an important consideration in design and cost estimation.

Weight (kg) = Volume (cm³) × Density (g/cm³) / 1000

Brass Pricing and Market Factors

Brass prices are directly linked to copper prices since copper is the primary and most expensive constituent. The London Metal Exchange (LME) copper price is the global benchmark. In India, brass prices also include import duties on copper, GST at 18%, manufacturing costs, and dealer margins. Scrap brass is priced lower due to processing costs and potential contamination. The price difference between virgin and scrap brass typically ranges from 10% to 30%. Our calculator helps you quickly determine the value of brass at any given rate, making it useful for both buyers (checking if a price is fair) and sellers (determining asking price).

Applications of Brass Weight Calculation

Accurate brass weight calculation is essential in many industries. Manufacturers use it for cost estimation of brass components and raw material procurement. Scrap dealers use it to determine fair prices for brass scrap. Engineers use it for design calculations where weight matters (e.g., aerospace, automotive). Jewelry makers and artisans use it to price their brass creations. Hardware traders use it for inventory valuation and pricing. Whether you are fabricating a brass sheet component, machining a brass rod part, or buying brass pipe for a plumbing project, knowing the exact weight helps you determine the material cost accurately.

Frequently Asked Questions

How to calculate brass price per kg?

Brass price per kg is calculated based on the base metal prices of copper and zinc (the main components of brass) plus manufacturing costs and dealer margins. Brass typically contains 60-70% copper and 30-40% zinc. The price is approximately 60-70% of copper price plus zinc cost. Our calculator uses the current brass market rate — simply enter the weight in kg and the calculator gives you the total value. For scrap brass, the rate is typically 10-20% lower than virgin brass.

How to calculate brass sheet weight?

Brass sheet weight is calculated using the formula: Weight = Length × Width × Thickness × Density of Brass. The density of brass is approximately 8.5 g/cm3 (8500 kg/m3). For a sheet in mm: Weight (kg) = L(mm) × W(mm) × T(mm) × 8.5 / 1,000,000. For example, a 1000mm × 500mm × 3mm brass sheet weighs 1000 × 500 × 3 × 8.5 / 1,000,000 = 12.75 kg. Enter dimensions in our calculator for instant weight calculation.

What is the density of brass?

The density of brass typically ranges from 8.4 to 8.7 g/cm3 depending on the exact composition. Common brass alloys have these densities: Naval Brass (C46400) = 8.41 g/cm3, Yellow Brass (C26000) = 8.53 g/cm3, Red Brass (C23000) = 8.75 g/cm3, Cartridge Brass (C26000) = 8.53 g/cm3. For general calculations, 8.5 g/cm3 is used as the standard density for brass weight calculation. Our calculator uses 8.5 g/cm3 by default.

How to calculate brass rod weight?

Brass rod weight is calculated as: Weight = π × (Diameter/2)2 × Length × Density. For a round brass rod in mm: Weight (kg) = π × D2 × L × 8.5 / 4,000,000. Simplified: W = D2 × L × 0.000006676. For example, a 25mm diameter brass rod 1000mm long: 25 × 25 × 1000 × 0.000006676 = 4.17 kg. Our calculator supports round rod weight calculation with just diameter and length inputs.

What is the current brass rate per kg?

Brass rates fluctuate daily based on international copper and zinc prices, which are traded on the London Metal Exchange (LME). In India, brass rates vary by city and typically range from ₹400 to ₹600 per kg for virgin brass. Scrap brass rates are lower, typically ₹250 to ₹400 per kg depending on quality and contamination. For the most current rate, check local metal dealers or commodity price websites.

How to calculate brass scrap value?

Brass scrap value = Weight of scrap (kg) × Current Brass Scrap Rate per kg. Scrap brass is categorized into different grades: heavy brass scrap (clean, thick sections), brass turnings (from machining), and light brass scrap (thin sheets, tubes). Heavy brass scrap fetches the highest price, typically 70-85% of virgin brass rate. Brass turnings are lower due to contamination with cutting oils. Our calculator lets you enter the appropriate rate for accurate valuation.

What are the different grades of brass?

Common brass grades include: C26000 (Cartridge Brass, 70% Cu, 30% Zn) — most common for sheet and strip; C27200 (Yellow Brass, 63% Cu, 37% Zn) — for decorative hardware; C23000 (Red Brass, 85% Cu, 15% Zn) — for plumbing fittings; C46400 (Naval Brass, 60% Cu, 39.25% Zn, 0.75% Sn) — for marine applications; C36000 (Free Cutting Brass, 61.5% Cu, 35.5% Zn, 3% Pb) — for machined parts. Each grade has different density and price.

How to calculate brass pipe weight?

Brass pipe weight is calculated as: Weight = π × (OD - WT) × WT × Length × Density / 1,000,000 (for mm dimensions). Where OD is outer diameter, WT is wall thickness. For example, a brass pipe with OD 50mm, WT 3mm, length 2000mm: Weight = π × (50-3) × 3 × 2000 × 8.5 / 1,000,000 = 7.54 kg. Alternatively, calculate the weight of a solid rod of OD and subtract the weight of the inner hollow portion.

What is the difference between brass, bronze, and copper?

Brass is an alloy of copper and zinc, with typical copper content of 55-90%. Bronze is an alloy of copper and tin, with typical tin content of 5-20%. Copper is a pure element (Cu). Brass has a gold-like appearance and is used for decorative items, musical instruments, and plumbing fittings. Bronze is reddish-brown and used for bearings, statues, and marine hardware. Copper is reddish-orange and used for electrical wiring and plumbing. Brass is generally cheaper than bronze but more expensive than steel.

How to calculate the weight of a brass bushing?

A brass bushing is essentially a hollow cylinder. Weight = π × (OD2 - ID2) × Length × Density / 4. For dimensions in mm: Weight (kg) = π × (OD2 - ID2) × L × 8.5 / 4,000,000. Example: OD 40mm, ID 30mm, L 50mm: Weight = π × (1600-900) × 50 × 8.5 / 4,000,000 = π × 700 × 50 × 8.5 / 4,000,000 = 0.234 kg. This formula is essential for engineers and machinists working with brass components.

What factors affect brass price?

Brass prices are influenced by: copper and zinc LME prices (primary factor), manufacturing costs, demand from construction and automotive sectors, scrap availability, import duties, GST (18% in India), transportation costs, and dealer margins. Brass prices tend to follow copper prices closely since copper constitutes 60-70% of brass composition. Global economic conditions, trade policies, and currency exchange rates also impact brass pricing.

How to calculate the value of brass items?

The value of a brass item = Weight of Brass × Current Brass Rate per kg × Purity/Density Factor. For solid brass items, use the actual weight. For brass-plated items (only a thin layer of brass on another metal), the brass content is minimal. For antique brass items, there may be significant collector value above the scrap value. Our calculator can estimate both the scrap value and the finished product value based on the rate you enter.

How much does a brass sheet weigh per square foot?

Brass sheet weight per square foot varies by thickness: 1mm thick = 0.79 kg/sq ft, 2mm = 1.58 kg/sq ft, 3mm = 2.37 kg/sq ft, 5mm = 3.95 kg/sq ft. Formula: Weight per sq ft (kg) = Thickness (mm) × 0.79. This is derived from brass density 8.5 g/cm3. For comparison, MS sheet of same thickness weighs 0.73 kg/sq ft. Our calculator can compute weight for any thickness and dimensions.

How to calculate brass hex bar weight?

Brass hex bar weight = (3√3/2) × (Side)2 × Length × Density. For a hex bar with width across flats (WAF) W in mm: Cross-sectional area = (3√3/2) × (W/2)2 = 0.6495 × W2. Weight (kg) = 0.6495 × W2 × L × 8.5 / 1,000,000. Example: 20mm hex bar, 1000mm long: 0.6495 × 400 × 1000 × 8.5 / 1,000,000 = 2.21 kg. Our calculator can be configured for hexagonal sections.