Convert Firkins to Cubic Miles
Convert Firkins (fir) to Cubic Miles (mi³) instantly and accurately.
Conversion Formula
mi³ = fir × 8.173517251e-12
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 Miles
A cubic mile (mi³) ≈ 4.168 km³ = 4.168 × 10¹² L. Lake Superior: ~2,900 mi³ (world's largest freshwater lake by surface area). Total volume of all glaciers and ice caps (excl. Antarctica and Greenland): ~170,000 mi³. Volcanic magma chamber sizes and major US aquifer volumes are sometimes quoted in cubic miles in American geoscience literature. 1 mi³ ≈ 4.168 km³.
Quick Reference Table
| Firkins (fir) | Cubic Miles (mi³) |
|---|---|
| 1 fir | 8.174 × 10-12 mi³ |
| 2 fir | 1.635 × 10-11 mi³ |
| 5 fir | 4.087 × 10-11 mi³ |
| 10 fir | 8.174 × 10-11 mi³ |
| 25 fir | 2.043 × 10-10 mi³ |
| 50 fir | 4.087 × 10-10 mi³ |
| 100 fir | 8.174 × 10-10 mi³ |