Convert Firkins to Cubic Inches
Convert Firkins (fir) to Cubic Inches (in³) instantly and accurately.
Conversion Formula
in³ = fir × 2079
About Firkins
A firkin (fir) ≈ 34.07 L (9 US gallons) - the most common cask for British real-ale delivery (9 imperial gallons = 40.91 L). A busy pub cellar cycles through several firkins per week. Craft breweries stage 'firkin tappings' of limited experimental ales. The name comes from Middle Dutch 'vierdekijn' (little fourth), as a firkin was one quarter of a barrel. 1 fir = 9 US gal ≈ 34.07 L.
About Cubic Inches
A cubic inch (in³) is the volume of a cube with sides of one inch (25.4 mm), equal to approximately 16.387 mL. It is widely used in US engineering and manufacturing - engine displacement was traditionally described in cubic inches (a 350 in³ V8 engine displaces 5.7 liters), and product specifications for items sold in the US frequently reference cubic inches. Speaker cabinet volumes, wine bottle capacities in older US standards, refrigerator compartment sizes, and box shipping calculations in imperial units all use cubic inches. One liter equals approximately 61.024 cubic inches.
Quick Reference Table
| Firkins (fir) | Cubic Inches (in³) |
|---|---|
| 1 fir | 2079 in³ |
| 2 fir | 4158 in³ |
| 5 fir | 10395 in³ |
| 10 fir | 20790 in³ |
| 25 fir | 51975 in³ |
| 50 fir | 103950 in³ |
| 100 fir | 207900 in³ |