Convert Cubic Miles to Firkins
Convert Cubic Miles (mi³) to Firkins (fir) instantly and accurately.
Conversion Formula
fir = mi³ × 122346349700
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.
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.
Quick Reference Table
| Cubic Miles (mi³) | Firkins (fir) |
|---|---|
| 1 mi³ | 1.223 × 1011 fir |
| 2 mi³ | 2.447 × 1011 fir |
| 5 mi³ | 6.117 × 1011 fir |
| 10 mi³ | 1.223 × 1012 fir |
| 25 mi³ | 3.059 × 1012 fir |
| 50 mi³ | 6.117 × 1012 fir |
| 100 mi³ | 1.223 × 1013 fir |