Convert Firkins to Jiggers
Convert Firkins (fir) to Jiggers (jig) instantly and accurately.
Conversion Formula
jig = fir × 768
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 Jiggers
A jigger = 1.5 US fl oz ≈ 44.36 mL, the standard bartending measure. The double-ended tool has a 1.5 oz large cup and a 1 oz 'pony' cup. Classic cocktails are specified in jiggers: margarita 1.5 jig tequila; negroni 1 jig each of gin, Campari, and vermouth. Required equipment in any licensed bar. 1 jig = 1.5 fl oz ≈ 44.36 mL.
Quick Reference Table
| Firkins (fir) | Jiggers (jig) |
|---|---|
| 1 fir | 768 jig |
| 2 fir | 1536 jig |
| 5 fir | 3840 jig |
| 10 fir | 7680 jig |
| 25 fir | 19200 jig |
| 50 fir | 38400 jig |
| 100 fir | 76800 jig |