To measure your hand to determine your handle size use the following diagram.
My hand measures 3 5/8″ across and fits a handle size Small. Often a size Medium fits me well too if its a bigger saw and I have to saw a lot at a time.
Xx-small 2 7/8″ – 3 1/8”
X-small 3 1/8” – 3 3/8”
Small 3 3/8” – 3 5-8”
Medium 3 5/8” – 3 7/8”
Large 3 7/8″ – 4 1/8”
X- Large 4 1/8” – ->