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Old São Tomé Dobra (STD) to Palladium Ounce (XPD)

Convert old São Tomé dobras to Palladium Ounces at the live mid-market rate. Reverse: XPD to STD

The Old São Tomé Dobra is no longer in use

Old São Tomé Dobra (STD) was replaced by the São Tomé and Príncipe Dobra (STN) in 2018. For today’s money, convert STN to XPD.

1 Old São Tomé Dobra =

0.00000004 XPD +0.77% today

1 STD = 0.00000004 XPD · 1 XPD = 25,573,001.91 STD

Mid-market rate, updated 09:12 UTC. Paid plans update as often as every 60 seconds. Get STD→XPD rates via API

STD to XPD over the last year

0.000000030.000000030.000000030.00000004Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.00000004
52-week low
0.00000002
52-week average
0.00000003
Change over the year
+2.62%

Conversion tables

STD to XPD
STD XPD
1 STD 0.00000004 XPD
10 STD 0.00000039 XPD
100 STD 0.00000391 XPD
1,000 STD 0.0000391 XPD
10,000 STD 0.000391 XPD
50,000 STD 0.001955 XPD
100,000 STD 0.00391 XPD
XPD to STD
XPD STD
1 XPD 25,573,001.91 STD
10 XPD 255,730,019.11 STD
100 XPD 2,557,300,191.05 STD
1,000 XPD 25,573,001,910.51 STD
10,000 XPD 255,730,019,105.12 STD
50,000 XPD 1,278,650,095,525.59 STD
100,000 XPD 2,557,300,191,051.18 STD

Get STD→XPD rates via API

The live rate, the rate on any past day or a whole range, for XPD and 170+ other currencies, as JSON. Free plan included. See the exchange rate API.

Get a free API key API documentation 
curl https://api.currencyapi.com/v3/latest \
  -G -d base_currency=STD -d currencies=XPD \
  -H "apikey: YOUR-API-KEY"

# the rate on a past day
curl https://api.currencyapi.com/v3/historical \
  -G -d base_currency=STD -d currencies=XPD \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about STD to XPD

How much is 1 STD in XPD?

1 Old São Tomé Dobra is 0.00000004 Palladium Ounces at the mid-market rate of 4 October 2026, 09:12 UTC, and 1 XPD is 25,573,001.91 STD.

What was the STD to XPD rate over the last year?

Over the last 52 weeks 1 STD ranged from 0.00000002 to 0.00000004 XPD, 0.00000003 XPD on average.

Which exchange rate is this?

The mid-market rate: the midpoint between what currency markets pay and ask for STD/XPD, without the margin a bank or card issuer adds, so the rate you are charged is usually a little worse.