Estimate the mass of a solid rectangular block from its dimensions and density.
Size to Weight Calculator (Rectangular Box)
Form
Results
Volume
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Weight
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Table of Contents
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What is Size to Weight (Rectangular Box)?
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How to Use This Calculator
- Enter or select Length, Width, Height, Density.
- Check the unit beside each measurement. For a percentage or rate, use the scale and time period stated in the form.
- Choose Calculate, then compare the output with the formula and example below. If you change a value or option, calculate again to update the result.
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Formula Used
Mass = length × width × height × density
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Variables Explained
| Input | What it means |
|---|---|
| Length | The measured end-to-end distance of the section being calculated. |
| Width | The crosswise measurement, perpendicular to the length. |
| Height | Vertical body or object measurement. Select its actual unit before calculating. |
| Density | Mass per unit volume for the actual material or liquid. |
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Worked Example
A 2 m × 1 m × 0.5 m block at 800 kg/m³ has mass 800 kg.
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Why Use This Calculator?
Use the result to put measurements on a common basis before comparing them or estimating quantities. The original measurement precision still limits the precision of the answer.
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Common Mistakes
- Density units must match the calculated volume, and hollow spaces need to be deducted.
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Frequently Asked Questions
When should I round a measurement?
Carry the measured values and conversion factors through the calculation first. Round the final result to a precision justified by the original measurements.
Why can a supplier’s quantity differ?
Measurement conventions, nominal sizes, density assumptions and purchase rounding can change a practical quantity. Compare the units and assumptions before comparing the numbers.
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Sources & References
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