Volumetric weight calculator
Work out the weight courier and air freight companies charge on using your own figures. Check the assumptions before you act on the result.
Your figures
Result
- Volumetric weight kg
- 16.67 kg
How it is worked out
volumetric weight kg = length x width x height in cm ÷ divisor (divisor is an input, commonly 5,000 or 6,000) [VERIFY with your carrier]
volumetric_weight_kg = length_cm*width_cm*height_cm/carrier_divisor
Check before you rely on it. Confirm volumetric divisor with the carrier. Have an accountant or the right specialist check any figure that affects tax, a legal duty, safety or a large purchase.
What it works out
The volumetric weight calculator turns records from the business into a figure for this decision: the weight courier and air freight companies charge on. Use it when the responsible dispatch in-charge needs a consistent answer for this specific task. The answer uses only the values entered. Record the measurement period beside it.
What you need
| Input | Unit | Where to find it |
|---|---|---|
| Length cm (example: 62 cm) | cm | Measure length cm on the packed article, drawing, scale or approved specification. |
| Width cm (example: 42 cm) | cm | Measure width cm on the packed article, drawing, scale or approved specification. |
| Height cm (example: 32 cm) | cm | Measure height cm on the packed article, drawing, scale or approved specification. |
| Carrier divisor (example: 5,000 cm³/kg) | cm³/kg | Enter carrier divisor using the current job, register or approved business plan. |
Use the same item, period and measurement unit for related inputs. If a figure comes from an estimate rather than an actual record, mark it as estimated. Keep your original figures beside the result.
The formula
In plain words, calculate volumetric weight kg using the measured inputs below. The expressions are shown without hidden rounding so they can be checked by hand.
- volumetric weight kg:
volumetric_weight_kg = length_cm*width_cm*height_cm/carrier_divisor.
Formula basis from the supplied taxonomy: volumetric weight kg = length x width x height in cm ÷ divisor (divisor is an input, commonly 5,000 or 6,000) [VERIFY with your carrier]. The calculation assumes the named inputs describe the same job and accounting period. Keep quantities, rates and measured units consistent.
A worked example
Illustrative example: an auto-component supplier uses the figures in the table above. These are example inputs, not industry averages. For this example, the main figures are length cm: 62 cm, width cm: 42 cm, height cm: 32 cm, carrier divisor: 5,000 cm³/kg.
- Volumetric weight kg:
length_cm*width_cm*height_cm/carrier_divisor. With the example figures,62.0 * 42.0 * 32.0 / 5000.0gives 16.67 kg.
How to act: Use the result to check the transporter booking and packaging limits. Write down the input date and the assumption that could move most.
How to read the result
Example bands, change them for your business:
- Comfortable: Your result meets the target for this item or reporting period. Keep the calculation with its source records and check the transporter booking and packaging limits.
- Watch: The result is close to your action limit, or it changed since the previous calculation. Recheck length cm and width cm using the original records.
- Act: The result breaks a limit already agreed by the manager or owner. Record the difference, name a responsible person, and agree a correction date. For an operational starting point, read [Freight costs too high](/problems/freight-costs-too-high) and [Finished goods to dispatch](/processes/finished-goods-to-dispatch). Do not use these example bands as published industry benchmarks.
Copy it into a spreadsheet
Create a sheet with column A for the label and column B for the number or formula. The expressions work in Excel or Google Sheets. Keep input cells editable and result cells protected from typing.
| Cell | Label | Value or formula |
|---|---|---|
| B2 | length cm | 62.000000 |
| B3 | width cm | 42.000000 |
| B4 | height cm | 32.000000 |
| B5 | carrier divisor | 5000.000000 |
| B7 | volumetric weight kg | =(((B2*B3)*B4)/B5) |
For any formula containing a divisor, enter a value above zero. For any monetary output, format the cell in Indian rupees. Do not replace the cells with rounded figures until the final display.
What this calculator leaves out
- Stacking limits, axle loads, packaging strength and carrier rules can override the arithmetic.
- Carrier divisors vary by service, route and mode. Use the value on the carrier tariff.
- The formula does not check whether the records are complete. Measure the packed carton, loaded pallet or truck body, rather than using catalogue dimensions.
Common mistakes
- Mixing periods. Using length cm from one month with width cm from another produces a number that looks precise but is hard to act on.
- Trusting old figures. Recheck the relevant source record before reusing last month's saved inputs. Compare the calculated volume or weight with the transporter booking sheet.
- Treating an estimate as approval. Record which assumptions were entered by hand. Get the relevant owner, accountant or technician to check unusual values.
A number like this helps only if someone works it out again when things change.
Questions people ask
Where do I find the numbers for volumetric weight calculator?
Measure length cm on the packed article, drawing, scale or approved specification. Measure width cm on the packed article, drawing, scale or approved specification. Keep all inputs from the same period.
Can I use this number to approve a purchase or payment?
Use it as a first check. Use the result to check the transporter booking and packaging limits. Write down the input date and the assumption that could move most. If the result affects tax, legal duties, workplace safety or a major investment, obtain the appropriate review.
When should I calculate it again?
Recalculate when a meaningful input changes, and at the next regular review of the relevant register. Save the date and the input values so changes can be explained.