Compare the plug shapes, voltage and frequency in Singapore and Fiji, and find out which adapter you need before you travel.
Adapter required
Yes — coming from Singapore, you will need a travel adapter for Fiji. Singapore uses Type G plugs, and Fiji uses Type I, so the pin shapes will not fit any wall socket.
Singapore (home)
Fiji (destination)
Electrical specifications in Fiji
Voltage
Frequency
More about plugs in Fiji
In Fiji, the standard power plug is Type I. The country runs on 240 volts at 50 Hz. That means every wall socket in Fiji is the same shape — Type I, and your plug needs to physically match the socket to fit.
Full Fiji plug guide