Convert 100 Gold Ounce (XAU) to Old São Tomé Dobra (STD)

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

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 XAU to STN.

Amount

From

100 Gold Ounces =

9,024,298,172.66 STD −0.67% today

1 XAU = 90,242,981.73 STD · 1 STD = 0.00000001 XAU

Mid-market rate, updated 09:47 UTC. Paid plans update as often as every 60 seconds. Get XAU→STD rates via API

XAU to STD over the last year

52-week high: 114,260,320.74
52-week low: 81,417,255.76
52-week average: 94,564,454.74
Change over the year: +10.84%

Conversion tables

XAU to STD
XAU	STD
1 XAU	90,242,981.73 STD
10 XAU	902,429,817.27 STD
100 XAU	9,024,298,172.66 STD
1,000 XAU	90,242,981,726.64 STD
10,000 XAU	902,429,817,266.44 STD
50,000 XAU	4,512,149,086,332.22 STD
100,000 XAU	9,024,298,172,664.44 STD

STD to XAU
STD	XAU
1 STD	0.00000001 XAU
10 STD	0.00000011 XAU
100 STD	0.00000111 XAU
1,000 STD	0.0000111 XAU
10,000 STD	0.000111 XAU
50,000 STD	0.000555 XAU
100,000 STD	0.00111 XAU

Get XAU→STD rates via API

The live rate, the rate on any past day or a whole range, for STD 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=XAU -d currencies=STD \
  -H "apikey: YOUR-API-KEY"

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

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Questions about XAU to STD

How much is 100 XAU in STD?

100 Gold Ounces is 9,024,298,172.66 old São Tomé dobras at the mid-market rate of 4 October 2026, 09:47 UTC, when 1 XAU = 90,242,981.73 STD.

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

Over the last 52 weeks 1 XAU ranged from 81,417,255.76 to 114,260,320.74 STD, 94,564,454.74 STD on average.

Which exchange rate is this?

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