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Convert 1 Old São Tomé Dobra (STD) to Silver Ounce (XAG)

Convert old São Tomé dobras to Silver Ounces at the live mid-market rate. Reverse: XAG 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 XAG.

1 Old São Tomé Dobra =

0.00000076 XAG +0.68% today

1 STD = 0.00000076 XAG · 1 XAG = 1,316,661.61 STD

Mid-market rate, updated 06:35 UTC. Paid plans update as often as every 60 seconds. Get STD→XAG rates via API

STD to XAG over the last year

0.00000040.00000060.00000080.000001Nov ’25Jan ’26Mar ’26May ’26Jul ’26Sep ’26
52-week high
0.00000100
52-week low
0.00000041
52-week average
0.00000071
Change over the year
−23.63%

Conversion tables

STD to XAG
STD XAG
1 STD 0.00000076 XAG
10 STD 0.0000076 XAG
100 STD 0.00007595 XAG
1,000 STD 0.0007595 XAG
10,000 STD 0.007595 XAG
50,000 STD 0.03798 XAG
100,000 STD 0.07595 XAG
XAG to STD
XAG STD
1 XAG 1,316,661.61 STD
10 XAG 13,166,616.07 STD
100 XAG 131,666,160.75 STD
1,000 XAG 1,316,661,607.49 STD
10,000 XAG 13,166,616,074.89 STD
50,000 XAG 65,833,080,374.44 STD
100,000 XAG 131,666,160,748.89 STD

Get STD→XAG rates via API

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

curl https://api.currencyapi.com/v3/latest \
  -G -d base_currency=STD -d currencies=XAG \
  -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=XAG \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about STD to XAG

How much is 1 STD in XAG?

1 Old São Tomé Dobra is 0.00000076 Silver Ounces at the mid-market rate of 4 October 2026, 06:35 UTC, when 1 STD = 0.00000076 XAG.

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

Over the last 52 weeks 1 STD ranged from 0.00000041 to 0.000001 XAG, 0.00000071 XAG on average.

Which exchange rate is this?

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