1 STD to SGD1 São Tomé and Príncipe Dobra (pre-2018) = 0.00005728 Singapore Dollar
🏳️ 1 São Tomé and Príncipe Dobra (pre-2018) (STD1) is worth 🇸🇬 0.00005728 Singapore Dollar (S$0.00005728) at the current exchange rate of 1 STD = 0.00005728 SGD. Rates were last updated Sep 21, 2026, 11:00 PM UTC.
Over the last 30 days, the STD to SGD rate fell 4.17% (high 0.0000603 on September 5, 2026, low 0.00005728 on September 21, 2026, average 0.00005955). Over the last 90 days, the STD to SGD rate fell 4.44% (high 0.00006036 on August 15, 2026, low 0.00005728 on September 21, 2026, average 0.00005977).
Looking for the reverse? SGD to STD
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Convert 1 São Tomé and Príncipe Dobra (pre-2018) to Singapore Dollar
1 STD = S$0.00005728 SGD
1 SGD = STD17,458.42 STD
- 30-day change
- -4.17%
- 90-day high
- 0.00006036
- 90-day low
- 0.00005728
Last updated: Sep 21, 2026, 11:00 PM UTC
Convert São Tomé and Príncipe Dobra (pre-2018) to Singapore Dollar
| STD | SGD |
|---|---|
| STD1 STD | S$0.00005728 SGD |
| STD5 STD | S$0.0002864 SGD |
| STD10 STD | S$0.0005728 SGD |
| STD25 STD | S$0.001432 SGD |
| STD50 STD | S$0.002864 SGD |
| STD100 STD | S$0.005728 SGD |
| STD500 STD | S$0.02864 SGD |
| STD1,000 STD | S$0.05728 SGD |
| STD5,000 STD | S$0.2864 SGD |
| STD10,000 STD | S$0.5728 SGD |
Convert Singapore Dollar to São Tomé and Príncipe Dobra (pre-2018)
| SGD | STD |
|---|---|
| S$1 SGD | STD17,458.42 STD |
| S$5 SGD | STD87,292.11 STD |
| S$10 SGD | STD174,584.22 STD |
| S$25 SGD | STD436,460.55 STD |
| S$50 SGD | STD872,921.10 STD |
| S$100 SGD | STD1,745,842.21 STD |
| S$500 SGD | STD8,729,211.03 STD |
| S$1,000 SGD | STD17,458,422.07 STD |
| S$5,000 SGD | STD87,292,110.34 STD |
| S$10,000 SGD | STD174,584,220.68 STD |
STD to SGD exchange rate history
STD to SGD – last 90 days
STD to SGD – last 12 months
STD to SGD exchange rate history
Over the last 90 days, the São Tomé and Príncipe Dobra (pre-2018) traded between 0.00005728 and 0.00006036 Singapore Dollar, averaging 0.00005977. The STD/SGD rate is down 4.44% over that period.
Over the last 12 months, the highest STD to SGD rate was 0.00006168 (April 23, 2026) and the lowest was 0.00005728 (September 21, 2026). The rate is down 6.23% year on year, meaning the São Tomé and Príncipe Dobra (pre-2018) has lost value against the Singapore Dollar.
| Date | 1 STD in SGD | Change |
|---|---|---|
| September 20, 2026 | 0.00005967 | -0.18% |
| August 30, 2026 | 0.00005978 | -0.19% |
| July 31, 2026 | 0.0000599 | +0.22% |
| June 28, 2026 | 0.00005977 | -1.30% |
| May 23, 2026 | 0.00006055 | -1.82% |
| April 23, 2026 | 0.00006168 | +2.74% |
| March 24, 2026 | 0.00006003 | -0.97% |
| February 22, 2026 | 0.00006062 | 0.00% |
| January 23, 2026 | 0.00006063 | -0.52% |
| December 24, 2025 | 0.00006094 | +0.10% |
| November 24, 2025 | 0.00006088 | -0.17% |
| October 25, 2025 | 0.00006098 | -0.16% |
| September 25, 2025 | 0.00006108 | – |
Historical figures use daily reference rates: sampled every three days for the 90-day view and monthly for the 12-month view, plus today's live rate.
The São Tomé and Príncipe Dobra (pre-2018) (STD) is traded against the Singapore Dollar and other world currencies. See the STD page for its live rates against major currencies.
More about STD →The Singapore Dollar is the official currency of Singapore, issued under the oversight of the Monetary Authority of Singapore (MAS). It has been in use since 1967 and is divided into 100 Cent.
Singapore is a major global financial center, and the SGD is among the top 10 most traded currencies. The MAS uses an exchange rate-based monetary policy rather than interest rates.
More about SGD →How to convert São Tomé and Príncipe Dobra (pre-2018) to Singapore Dollar
- Enter the amount of STD you want to convert in the “Amount” box.
- Check that STD is selected as the source and SGD as the target (use the swap button to reverse them).
- See the SGD value update instantly, or press Convert to open a shareable page for that exact amount.
Frequently asked questions about STD to SGD
How much is 1 São Tomé and Príncipe Dobra (pre-2018) in Singapore Dollar?
As of September 21, 2026, 1 São Tomé and Príncipe Dobra (pre-2018) (STD) = 0.00005728 Singapore Dollar (SGD). The rate comes from the mid-market reference rate and is refreshed hourly.
How much is 100 São Tomé and Príncipe Dobra (pre-2018) in Singapore Dollar?
As of September 21, 2026, 100 STD is equal to 0.005728 SGD, based on a rate of 0.00005728 SGD per STD.
How much is 1 Singapore Dollar in São Tomé and Príncipe Dobra (pre-2018)?
As of September 21, 2026, 1 Singapore Dollar (SGD) = 17,458.42 São Tomé and Príncipe Dobra (pre-2018) (STD).
What has the STD to SGD exchange rate done recently?
Over the last 30 days the STD/SGD rate changed by -4.17%, ranging from 0.00005728 to 0.0000603. Over the last 90 days it ranged from 0.00005728 to 0.00006036 and changed by -4.44%.
Which is stronger, the São Tomé and Príncipe Dobra (pre-2018) or the Singapore Dollar?
The Singapore Dollar is currently worth more per unit than the São Tomé and Príncipe Dobra (pre-2018): 1 STD = 0.00005728 SGD, and 1 SGD = 17,458.42 STD. A higher number per unit does not by itself mean a stronger economy; it also reflects how each currency is denominated.
When is the best time to convert STD to SGD?
Currencies trade 24 hours a day from Monday morning in Sydney to Friday evening in New York, and rates move by the minute while markets are open. Liquidity is usually highest around 1–4 PM GMT, when the London and New York sessions overlap. Watching the 90-day range above helps you judge whether today's rate is high or low compared with recent weeks.
Is this the rate I will get at a bank or exchange service?
No. The figures on this page are mid-market reference rates used for information. Banks, cash exchanges and money-transfer services add a margin or fee, so the amount you actually receive is usually a little lower than the converted amount shown here.