So being fairly mathematically challenged and loving a bit of a shop, I didn’t want to rely on a calculator with all those zeros. I used to write up a little cheat sheet on the back of a business card and take it in my wallet everywhere. It was awesome to pull out when negotiating at the markets or sometimes when browsing at high end boutiques, finding something I loved only to discover it wasn’t the bargain I had initially miscalculated the price to be. You could round it down to the nearest 10 000 and kind of looked like this –

Quick Reference Card
Indo Rupiah AUD
10 700 $1
53 500 $5
107 000 $10
214 000 $20
525 000 $50
1, 070 000 $100

Happy Shopping

Love LMB xxx