Singapore Dollar Exchange Rate Today: 1 SGD to IDR & Why It’s Rising
If you’re exchanging Singapore dollars for Indonesian rupiah, the numbers can feel like they change every time you refresh a screen. As of June 22, 2025, Bank Indonesia’s official reference rate puts 1 SGD at 13,861.91 IDR, while live converters like Wise show a slightly different mid-market figure.
1 SGD to IDR: 13,812.47 ·
100 SGD to IDR: 1,381,247 ·
1000 SGD to IDR: 13,812,470 ·
24-hour change: +0.14% ·
Source: Wise (mid-market rate)
Quick snapshot
- 1 SGD = 13,812.47 IDR on Wise (mid-market) and 13,861.91 IDR on Bank Indonesia (official reference rate)
- BCA sell rate on June 22, 2025: 13,895.74 IDR per SGD (BCA)
- SGD appreciated about 2% against IDR in the past month (ExchangeRates.org.uk 30-day trend)
- Whether SGD will keep rising depends on future MAS policy (monetary authority) and decisions by the US Federal Reserve
- Impact of Indonesia’s current account deficit on long-term rupiah weakness remains uncertain (MAS policy (monetary authority))
- June 2025: SGD/IDR hit 13,812 – highest since March 2025 (ExchangeRates.org.uk)
- May 2025: SGD strengthened on hawkish MAS stance (MAS)
- Q1 2025: Pair fluctuated between 13,400 and 13,600 (ExchangeRates.org.uk historical data)
- OFX projects SGD/IDR could reach 13,932 by end of 2025 (OFX forecast)
- Watch for MAS policy statements and US interest rate moves (OFX forecast)
- Use mid-market services like Revolut to avoid retail spreads
Six conversion amounts, one pattern: the difference between the official reference and the mid-market rate is modest, but retail bank spreads can cost you 2–5%.
| Amount | Equivalent in IDR (mid-market) |
|---|---|
| 1 SGD | 13,812.47 |
| 100 SGD | 1,381,247 |
| 1000 SGD | 13,812,470 |
| 5000 SGD | 69,062,350 |
| BI official rate (1 SGD) | 13,861.91 (Bank Indonesia) |
| 24-hour change | +0.14% |
For a traveler sending SGD 1,000 to Indonesia, using the mid-market rate via Wise instead of a bank’s sell rate saves about IDR 83,000 – enough for a decent meal in Jakarta.
How Much Is 1, 100, 1000, 5000 Singapore Dollar in Indonesian Rupiah Today?
Current live conversion rates
- 1 SGD = 13,812.47 IDR (mid-market, June 22, 2025)
- 1 SGD = 13,861.91 IDR (Bank Indonesia official reference)
- 1 SGD = 13,785.44 IDR (Xe as of June 20)
Conversion table for common amounts
For quick reference, here are the mid-market equivalents for frequently exchanged amounts (using the Wise rate of 1 SGD = 13,812.47 IDR).
| SGD Amount | IDR Value |
|---|---|
| 1 | 13,812.47 |
| 10 | 138,124.70 |
| 50 | 690,623.50 |
| 100 | 1,381,247 |
| 500 | 6,906,235 |
| 1000 | 13,812,470 |
| 5000 | 69,062,350 |
The trade-off: The official BI rate is about 0.36% higher than the mid-market rate, while bank sell rates can be up to 2% above mid-market. Using a service that offers the true mid-market rate saves you real money.
Why Is the Singapore Dollar Strengthening Against the Rupiah?
Interest rate differential between Singapore and Indonesia
Singapore’s Monetary Authority of Singapore (MAS) manages the SGD against a trade-weighted basket rather than setting a short-term policy rate. Indonesia, by contrast, has a higher benchmark rate (BI rate) but also a persistent current account deficit. The gap in real yields attracts capital to Singapore, supporting the SGD.
When global uncertainty rises, investors flee riskier currencies like the rupiah and flock to the safe-haven SGD, pushing the pair higher.
Trade surplus and safe-haven demand
Singapore’s consistent trade surplus and strong external position make the SGD a regional safe-haven. In contrast, Indonesia’s reliance on commodity exports and capital inflows means any global risk-off sentiment can weaken the rupiah. The SGD/IDR pair has risen 2% in the past month as global trade tensions simmered.
Monetary policy of the Monetary Authority of Singapore
MAS carries out monetary policy by setting a policy band for the SGD. In recent months, MAS has maintained a “slightly appreciated” slope of the policy band, which encourages SGD strength. This is in contrast to Bank Indonesia, which intervenes to smooth rupiah volatility but does not target appreciation. The net effect pushes SGD/IDR higher.
The implication: As long as MAS stays hawkish and Indonesia’s external position remains under pressure, SGD/IDR is likely to stay elevated.
Where to Check the Latest SGD/IDR Exchange Rate
Live rate on Wise and Investing.com
Wise provides the mid-market rate with no markup – what you see is what you get. Investing.com (financial data platform) offers interactive charts and historical data. Both are free and updated multiple times per minute.
Bank Indonesia official rates
Bank Indonesia publishes a daily transaction rate for SGD. You can also use the BI exchange-rate calculator to convert any amount at the official rate.
Mobile apps and widgets
Revolut offers live conversion and spending in IDR with mid-market rates. BCA’s app shows its own buy/sell rates. Comparing at least two sources gives you leverage to negotiate or choose the best offer.
The catch: Retail bank rates on apps include a spread. Always check the mid-market rate first so you know the true cost.
For similar guides on other exchange rates, see our SGD to MYR Rate Today and SGD to PHP Rate Today.
Historical SGD/IDR Exchange Rate: Past 30 Days and Yearly Trends
30-day trend
SGD/IDR has climbed from around 13,500 in late May 2025 to above 13,800 in late June – a gain of about 2.2%. The pair has been trending upward as MAS signals continued tightening.
Yearly high/low
- 2025 low: 11,824.07 on January 4, 2025 (ExchangeRates.org.uk)
- 2025 average: 12,610.47 (same source)
- 2025 high so far: 13,932.72 projected by OFX for end of year (OFX)
Comparison with USD/SGD
The SGD/IDR pair often correlates with USD/SGD. When the US dollar strengthens, the SGD tends to weaken, but the rupiah weakens even more, pushing SGD/IDR higher. The correlation is imperfect but useful for forecasting.
The pattern: The SGD has strengthened significantly from its 2025 low, benefiting Singapore travelers but increasing costs for Indonesian importers.
Tips for Converting SGD to IDR at the Best Rate
Avoid airport currency exchanges
Airport kiosks and hotel counters typically add a 5-10% margin. Always check the mid-market rate on Wise or Xe before you travel so you know the baseline.
Use online transfer services
Services like Wise, Revolut, and OFX use the mid-market rate and charge a low, transparent fee. Bank wires often include a 2-3% markup plus a fixed fee. For a transfer of SGD 5,000, the savings can exceed IDR 1 million.
Compare rates before converting
Check Bank Indonesia’s official rate and BCA’s sell rate to see the retail spread. Then use a mid-market converter to see what a fair rate would be. This comparison gives you confidence to negotiate or choose the cheapest option.
Always check whether the quoted rate includes all fees. Some services advertise “zero commission” but hide the cost in a poor exchange rate. The mid-market rate is your only truthful benchmark.
The catch: Even with mid-market services, always verify the final cost including fees.
Recent SGD/IDR Timeline
- Q1 2025: Pair fluctuated between 13,400 and 13,600.
- May 2025: SGD strengthened after MAS signalled hawkish stance. Rate broke above 13,600.
- June 2025: SGD/IDR reached 13,812 (high since March). Bank Indonesia official rate at 13,861.91.
- Late 2025 (forecast): OFX projects 13,932.72; some analysts see risk of 14,000 if global uncertainty persists.
What’s Confirmed and What’s Still Unclear
Confirmed facts
- 1 SGD equals 13,812.47 IDR (Wise mid-market) and 13,861.91 IDR (BI official) as of June 22, 2025.
- Singapore dollar has appreciated about 2% against IDR in the past month.
- MAS uses an exchange-rate-centred monetary policy, not a short-term rate.
- BCA’s SGD buying rate on June 22, 2025 was 13,690.68; selling rate was 13,895.74 (BCA).
What’s unclear
- Whether the SGD will continue to strengthen against IDR depends on future MAS policy and US Fed decisions.
- The precise impact of global economic slowdown on Indonesia’s trade balance is uncertain.
Expert Perspectives
Mid-market rate as of June 22, 2025: 1 SGD = 13,812.47 IDR.
The SGD is benefiting from strong trade data and a cautious MAS. Investors see SGD as a safe haven in a volatile region.
What This Means for Travelers and Senders
The current strength of the Singapore dollar gives Singaporean travellers more spending power in Indonesia. For those sending money from Singapore to Indonesia, using a mid-market service can save hundreds of thousands of rupiahs on a typical transfer. For Indonesian businesses paying suppliers in SGD, the opposite is true: every point higher adds cost. For the traveller sending SGD 1,000, the choice is clear: use a mid-market service like Wise, or lose up to IDR 500,000 to retail bank margins.
For a more detailed breakdown of the current SGD to IDR rate guide, including historical trends and conversion tips, this guide offers practical insights.
Frequently Asked Questions
How often does the SGD/IDR exchange rate change?
The mid-market rate updates continuously during market hours. Official BI rates are set once per business day.
Is it better to exchange money in Singapore or Indonesia?
Generally, exchanging in Singapore gives you a slightly better rate because Indonesian banks add a spread. Compare before you travel.
What is the mid-market rate?
The mid-market (or interbank) rate is the rate at which banks trade currencies among themselves. It’s the fairest benchmark. Consumer exchange services mark up from this rate.
Can I use Singapore dollars in Indonesia?
Rupiah is the sole legal tender. You must convert SGD to IDR. Some tourist shops may accept SGD but at poor rates.
How much commission do banks charge for SGD/IDR conversion?
Banks typically charge 2-5% in the form of a spread. Online services like Wise charge 0.5-1% transparent fee.
What is the 1-year forecast for SGD/IDR?
Analysts predict the pair will remain elevated, possibly touching 14,000 by end of 2025, depending on global factors.
Why is the Indonesian rupiah weaker than the Singapore dollar?
Singapore has a stronger trade surplus, higher reserves, and a managed currency. Indonesia runs a current account deficit and faces capital outflow pressures.
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