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-rw-r--r--src/main/resources/unitsfile.txt7
1 files changed, 7 insertions, 0 deletions
diff --git a/src/main/resources/unitsfile.txt b/src/main/resources/unitsfile.txt
index ecd9bb6..dc33abd 100644
--- a/src/main/resources/unitsfile.txt
+++ b/src/main/resources/unitsfile.txt
@@ -165,6 +165,7 @@ gregorianyear 365.2425 day
gregorianmonth gregorianyear / 12
# Other non-SI "metric" units
+are 100 m^2
litre 0.001 m^3
liter litre
l litre
@@ -188,11 +189,17 @@ inch foot / 12
in inch
yard 3 foot
yd yard
+chain 66 ft
+ch chain
+furlong 10 chain
mile 1760 yard
mi mile
ftin foot; inch
ydftin yard; foot; inch
+# Imperial area units
+acre chain * furlong
+
# Compressed notation
kph km / hour
mph mile / hour