Postage Rates 2025 Singapore Mail. Prices of selected domestic mail services will go up between 2 and 10 cents by 2025. $1.05 cents for mail up to 50g (from $1);
The rate for standard regular basic mail weighing up to 20g will be increased to 31 cents in 2023, and 32 cents in 2025, up from 30 cents in 2022. Singpost said the increase in price is in tandem with the increase in goods and services tax (gst).