What's the cheapest way to send money from Singapore to Indonesia?

Providers that use the mid-market SGD/IDR rate with a transparent flat fee (e.g. Wise) almost always beat a bank, which hides its margin in a worse exchange rate. Always compare the amount that actually lands in IDR, not the advertised "no fee".

What is the mid-market rate?

The mid-market (interbank) rate is the real midpoint between buy and sell prices for SGD/IDR — the rate you see on Google. It carries no margin; the markup is what most banks add on top.

Why does the amount received differ between providers?

Two levers: the exchange rate margin (a hidden % on top of mid-market) and explicit fees. A 3–5% rate margin on a large transfer usually costs far more than a visible flat fee.

Singapore→

Indonesia

Send money from Singapore to Indonesia (SGD→IDR)

The real SGD/IDR mid-market rate, what a typical bank's hidden margin costs you, and the cheapest way to move money on this route.

Data signals

The real rate vs the hidden cost

Today's real rate
The mid-market rate is 1 SGD = 12069.0 IDR.
Send 1,000 SGD
At the real rate, 1,000 SGD should arrive as about 12,068,966 IDR in Indonesia.
The hidden cost
A typical bank or legacy app bakes in a ~4% exchange-rate margin — on this transfer that's roughly 482,759 IDR less than the mid-market rate, before any flat fee.

Worked example

Sending 1,000 SGD

Your amount (SGD):

At the real (mid-market) rate

12,068,966 IDR

Via a typical bank (~4% margin)

11,586,207 IDR

You lose to the spread

482,759 IDR

before flat fees

Illustrative: the ~4% margin is a typical legacy-bank exchange-rate markup, not a quote. Mid-market rate as of 2026-06-10.

How the margin scales

What a ~4% margin costs as you send more

You send	Real rate (mid-market)	Typical bank	You lose
1,000 SGD	12,068,966 IDR	11,586,207 IDR	−482,759 IDR
5,000 SGD	60,344,828 IDR	57,931,035 IDR	−2,413,793 IDR
10,000 SGD	120,689,655 IDR	115,862,069 IDR	−4,827,586 IDR

Step by step

How to send money to Indonesia cheaply

Check the live SGD/IDR mid-market rate (the one shown above) so you know the fair benchmark.
Compare what actually arrives in IDR across providers — not the advertised fee. A specialist using the mid-market rate usually beats a bank's hidden margin.
Confirm the recipient details and any local receiving fees in Indonesia, then send; transfers on this route typically settle within 1–2 business days.

Move SGD → IDR at the real rate

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Wise

Move money across borders without losing 3–5% to your bank

Real mid-market FX rates, no hidden spread.

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FAQ

What's the cheapest way to send money from Singapore to Indonesia?: Providers that use the mid-market SGD/IDR rate with a transparent flat fee (e.g. Wise) almost always beat a bank, which hides its margin in a worse exchange rate. Always compare the amount that actually lands in IDR, not the advertised "no fee".
What is the mid-market rate?: The mid-market (interbank) rate is the real midpoint between buy and sell prices for SGD/IDR — the rate you see on Google. It carries no margin; the markup is what most banks add on top.
Why does the amount received differ between providers?: Two levers: the exchange rate margin (a hidden % on top of mid-market) and explicit fees. A 3–5% rate margin on a large transfer usually costs far more than a visible flat fee.