Home & DIY calculator
Plan box sizes and packing tape from measured or estimated contents volume.
Packing 0.3 m³ into 30 L small boxes, 0.8 m³ into 60 L medium boxes and 0.6 m³ into 90 L large boxes, with a 10% allowance, gives 11 small, 15 medium and 8 large boxes: 34 in total. At 3 m of tape per box, that is 3 rolls of 50 m.
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Estimate packed contents volume for each box size; exclude furniture that will not be boxed.
Use a rough count before you have measured your contents.
Packing 0.3 m³ into 30 L small boxes, 0.8 m³ into 60 L medium boxes and 0.6 m³ into 90 L large boxes, with a 10% allowance, gives 11 small, 15 medium and 8 large boxes: 34 in total. At 3 m of tape per box, that is 3 rolls of 50 m.
| Input | Value |
|---|---|
| Heavy items volume | 0.3 m³ |
| General items volume | 0.8 m³ |
| Light items volume | 0.6 m³ |
| Small box capacity | 30 L |
| Medium box capacity | 60 L |
| Large box capacity | 90 L |
| Extra allowance | 10 % |
| Tape per box | 3 m |
| Tape roll length | 50 m |
| Result | Value |
|---|---|
| Small boxes | 11 |
| Medium boxes | 15 |
| Large boxes | 8 |
| Total boxes | 34 |
| Tape rolls | 3 |
The worked volume example needs 34 boxes: 11 small, 15 medium and eight large. It uses 0.3, 0.8 and 0.6 m³ of contents, box capacities of 30, 60 and 90 L, and a 10% allowance. Your inventory and each box's usable capacity change the answer.
Yes, but the room rates are editable assumptions. Three rooms at eight boxes each plus two people at five each give 34 boxes before allowance, or 38 with 10%. A library, full loft or workshop can differ greatly from an average room, so refine the estimate with an inventory.
Put dense contents such as books in small boxes and light bulky contents such as bedding in larger boxes. The calculator separates those volumes for that reason. A box's volume does not establish a safe packed weight: follow the manufacturer's load guidance and your handling limits.
At an assumed three metres per box, 34 boxes require 102 m of tape. Fifty-metre rolls round up to three rolls. Change the tape-per-box and roll-length inputs for your closure method and product; the result is a quantity estimate, not a test of the tape's strength.
Calculation/content reviewed 4 October 2026. Source: Babushka Market’s displayed formulas, units and labelled editable assumptions. How the estimates work
