diff --git a/src/lib.rs b/src/lib.rs
index dd42f08..6e2d58c 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -86,4 +86,17 @@ mod test {
 		assert_eq!(run(""), Err("Expected quantity or quantities to convert".to_string()));
 		assert_eq!(run("6 ft 1 lbs"), Err("Incompatible units: feet, pounds".to_string()));
 	}
+
+	#[test]
+	fn conversions() {
+		// Length
+		assert_eq!(run("1 in"), Ok("2.54 cm".to_string()));
+		assert_eq!(run("1 ft"), Ok("30.48 cm".to_string()));
+		assert_eq!(run("1 yard"), Ok("91.44 cm".to_string()));
+		assert_eq!(run("1 mile"), Ok("1.609 km".to_string()));
+		// Weight
+		assert_eq!(run("1 oz"), Ok("28.35 g".to_string()));
+		assert_eq!(run("1 lb"), Ok("453.6 g".to_string()));
+		assert_eq!(run("1 st"), Ok("6.35 kg".to_string()));
+	}
 }