Letter deliveries have changed

From 15 April 2024, estimated delivery timeframes for regular and priority letters have changed. Please note, letters may be delivered earlier than the timeframes shown on our website as we make progressive delivery model changes across the country through to the end of 2025.

Calculate the postage of your letter

Postage for sending a regular letter is determined by size, thickness and weight.

Find the correct postage for your regular letter

Delivery estimates
Letter size Max. dimensions

Regular delivery timetable

(incl. GST)

Equivalent number of $1.50 stamps
Small letter or postcard (250g)

Max. dimensions

130 x 240 x 5mm

Regular delivery timetable (incl. GST)

$1.50

Equivalent number of $1.50 stamps

1

Large letter (125g)

Max. dimensions

260 x 360 x 20mm

E.g. C5, C4, B4 size envelopes

Regular delivery timetable (incl. GST)

$3.00

Equivalent number of $1.50 stamps

2

Large letter (250g)

Max. dimensions

260 x 360 x 20mm

E.g. C5, C4, B4 size envelopes

Regular delivery timetable (incl. GST)

$4.50

Equivalent number of $1.50 stamps

3

Large letter (500g)

Max. dimensions

260 x 360 x 20mm

E.g. C5, C4, B4 size envelopes

Regular delivery timetable (incl. GST)

$7.50

Equivalent number of $1.50 stamps

5

If you have received an invoice for underpaid mail and have additional questions, you'll find more information on our Underpaid mail page.

Post your letter