Toolkit

Everyday Utilities Toolkit

The little calculators you reach for at the checkout, the restaurant, or in a quick spreadsheet. Useful, fast, and offline-friendly.

Tools in this kit

Find the final price after a percentage discount and exactly how much you save.

Three percentage operations in one: X% of Y, X is what % of Y, and % change.

Split a bill cleanly with a tip — total, per person, and tip amount in one view.

Add or remove GST on any amount across the 5%, 12%, 18% and 28% slabs.

2 min read

Common mistakes in budgeting (and how to fix them)

Six small, persistent errors that quietly break personal budgets — and the simple shifts that fix them.

Quick tips