Won't fit
Too big overall. Its sides add up to 121.2 cm and Singapore Airlines allows 115 cm.
All sides added up: 121.2 of 115 cm
Empty it weighs 3.4 kg, leaving 3.6 kg for your things.
What you can do
- Or check it in when you book. It's usually cheaper than paying at the gate.
Singapore Airlines rules checked 2 Nov 2026. Airline's page. Sizes include wheels and handles.