Release Date Calculator

Age at sentencing

Some release rules differ for those sentenced as children (under 18). The youth exception under section 244ZA(6) affects release fractions.

18 or over Under 18 Not sure

What type of sentence is this?

If you're not sure, check your sentencing paperwork or select "I'm not sure".

Standard Determinate Sentence (SDS) Fixed-term sentence with automatic release (currently 40%, one-third under SA 2026) Serious SDS (SDS+ / Section 244ZA) Serious violent or sexual offence (currently two-thirds, one-half under SA 2026) Section 250 Detention (Youth) Youth detention for serious offences – releases at one-half (unchanged by SA 2026) Extended Determinate Sentence (EDS) Extended sentence with extended licence period Life Sentence Indeterminate sentence with minimum term IPP (Imprisonment for Public Protection) Indeterminate sentence (no longer issued but still applies to some) Terrorism / Serious Organised Crime Special release provisions apply I'm not sure We'll help you work it out

Quick Start Templates

Choose a pre-built scenario to quickly populate the calculator with typical values. You can modify any values after selecting a template.

Templates provide starting points only. Always verify your specific details before relying on any calculation.

Quick Start Templates

First-Time SDS Offender

SDS With Remand Credit

SDS+ (Section 244ZA) Offence

SDS With Added Days

Young Offender (Under 21)

Complex Case