Convert 100,000 Thai Baht (THB) to Old São Tomé Dobra (STD)

Convert Thai baht to old São Tomé dobras at the live mid-market rate. Reverse: STD to THB

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 THB to STN.

Amount

From

100,000 Thai baht =

64,990,425.25 STD −0.67% today

1 THB = 649.904 STD · 1 STD = 0.00153869 THB

Mid-market rate, updated 06:20 UTC. Paid plans update as often as every 60 seconds. Get THB→STD rates via API

THB to STD over the last year

52-week high: 680.10
52-week low: 638.23
52-week average: 656.14
Change over the year: +0.30%

Conversion tables

THB to STD
THB	STD
1 THB	649.90 STD
10 THB	6,499.04 STD
100 THB	64,990.43 STD
1,000 THB	649,904.25 STD
10,000 THB	6,499,042.53 STD
50,000 THB	32,495,212.63 STD
100,000 THB	64,990,425.25 STD

STD to THB
STD	THB
1 STD	0.001539 THB
10 STD	0.01539 THB
100 STD	0.1539 THB
1,000 STD	1.54 THB
10,000 STD	15.39 THB
50,000 STD	76.93 THB
100,000 STD	153.87 THB

Get THB→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=THB -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=THB -d currencies=STD \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about THB to STD

How much is 100,000 THB in STD?

100,000 Thai baht is 64,990,425.25 old São Tomé dobras at the mid-market rate of 4 October 2026, 06:20 UTC, when 1 THB = 649.904 STD.

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

Over the last 52 weeks 1 THB ranged from 638.229 to 680.099 STD, 656.138 STD on average.

Which exchange rate is this?

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