diff --git a/src/UnitfulAtomic.jl b/src/UnitfulAtomic.jl
index caa588c..38efc60 100644
--- a/src/UnitfulAtomic.jl
+++ b/src/UnitfulAtomic.jl
@@ -243,6 +243,7 @@ julia> austrip(20u"nm")
 ```
 """
 austrip(x) = ustrip(auconvert(x))
+austrip(u::Units, x::Number) = auconvert(u::Units, x::Number) |> ustrip
 
 # In order to enable precompilation, some things need to be set at runtime
 __init__() = Unitful.register(UnitfulAtomic)