The imperial tablespoon is a unit of volume once commonly used in the United Kingdom and countries that followed the imperial measurement system. One imperial tablespoon equals 17.7582 milliliters, making it noticeably larger than its US counterpart, which holds about 14.79 milliliters. It's abbreviated as tbsp and has long been a standard measure in British cooking and recipe instructions.
Although the UK now officially uses the metric system, the imperial tablespoon is still found in many traditional cookbooks and recipes. It belongs to the broader imperial set of volume measurements, including teaspoons, fluid ounces, and pints, and is often used in contexts where imperial units are still familiar and widely recognized.
Uses: The imperial tablespoon was once a staple in British kitchens, commonly used to measure liquids and dry ingredients such as flour, sugar, and syrups. It remains present in older recipes, especially those passed down through generations or found in vintage cookbooks that use imperial measures as the standard.
While modern kitchen tools in the UK tend to favor metric measurements, the imperial tablespoon is still referenced in some food packaging, serving sizes, and even pharmaceutical instructions. Understanding the imperial tablespoon is key to maintaining original proportions and flavor for cooks revisiting traditional British dishes or converting recipes accurately.
A cubic inch is a unit of volume used in the imperial and U.S. customary systems. It represents the space occupied by a cube, with each side measuring exactly one inch. One cubic inch is equal to 16.387 milliliters or approximately 0.0005787 cubic feet, and it's abbreviated as in³.
The cubic inch is often used to measure smaller volumes in areas like automotive design, mechanical components, and product manufacturing. It’s a go-to unit for things like engine size, compact storage, and custom parts where detailed, space-specific measurements are needed.
Uses: The cubic inch is most widely recognized in the automotive world, where it's often used to express engine size—especially in classic American vehicles. It's also used in engineering and manufacturing for parts design, packaging, and product specifications where precision is important.
In everyday use, you might see cubic inches listed when measuring the internal dimensions of a drawer, estimating the volume of a small box, or comparing product capacities. It remains a trusted unit for capturing volume in tight spaces where accuracy matters.
1 tbsp (imp) = 1.083669 in³
Let’s say you want to convert 100 tbsp (imp) to in³.
Using the formula:
100 × 1.083669 = 108.367 in³
So, 100 tbsp (imp) is approximately 108.367 in³.
| Tablespoon (Imperial) (tbsp (imp)) | Cubic inch (in³) |
|---|---|
| 1 tbsp (imp) | 1.084 in³ |
| 2 tbsp (imp) | 2.167 in³ |
| 3 tbsp (imp) | 3.251 in³ |
| 4 tbsp (imp) | 4.335 in³ |
| 5 tbsp (imp) | 5.418 in³ |
| 6 tbsp (imp) | 6.502 in³ |
| 7 tbsp (imp) | 7.586 in³ |
| 8 tbsp (imp) | 8.669 in³ |
| 9 tbsp (imp) | 9.753 in³ |
| 10 tbsp (imp) | 10.837 in³ |
| 11 tbsp (imp) | 11.92 in³ |
| 12 tbsp (imp) | 13.004 in³ |
| 13 tbsp (imp) | 14.088 in³ |
| 14 tbsp (imp) | 15.171 in³ |
| 15 tbsp (imp) | 16.255 in³ |