Indonesian rupiah (IDR)
roughly Rp16,500 to US$1 — drop three zeros and divide by 16.5 for a quick read
Mixed. Cards and Apple Pay work in hotels, malls and chains, but much of daily life runs on cash and QRIS codes most foreign cards cannot scan.
Type C / F (two round pins, as in most of Europe)
230V, 50Hz
Do not drink tap water anywhere. Drink bottled or refill water; many hotels and cafés have refill stations. Ice in restaurants and cafés is normally factory-made.
Not expected, but welcome. Many restaurants add tax and service to menu prices (shown as “++”), so the bill can be 15–21% higher than the menu. Round up for drivers; Rp10,000–20,000 for good service.
Police 110 · Ambulance 118
112 · Works with no SIM, no signal
April–October, the dry season; May, June and September are quieter than the July–August peak
Most visitors (US, UK, EU, Australia, Canada, Japan, Korea and others) buy a Visa on Arrival: IDR 500,000 for 30 days, extendable once for another 30. Buy it beforehand as an e-VOA at evisa.imigrasi.go.id to skip the queue. ASEAN passports enter visa-free for 30 days. Your passport needs six months’ validity and you need an onward ticket. Everyone also completes the free All Indonesia arrival card in the 3 days before landing, and Bali adds a separate IDR 150,000 tourist levy.