Convert 100 Belarusian Ruble (BYN) to Old São Tomé Dobra (STD)

Convert Belarusian rubles to old São Tomé dobras at the live mid-market rate. Reverse: STD to BYN

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 BYN to STN.

Amount

From

100 Belarusian rubles =

722,211.45 STD −0.67% today

1 BYN = 7,222.11 STD · 1 STD = 0.00013846 BYN

Mid-market rate, updated 10:18 UTC. Paid plans update as often as every 60 seconds. Get BYN→STD rates via API

BYN to STD over the last year

52-week high: 7,836.76
52-week low: 6,163.59
52-week average: 7,156.20
Change over the year: +16.63%

Conversion tables

BYN to STD
BYN	STD
1 BYN	7,222.11 STD
10 BYN	72,221.15 STD
100 BYN	722,211.45 STD
1,000 BYN	7,222,114.55 STD
10,000 BYN	72,221,145.49 STD
50,000 BYN	361,105,727.45 STD
100,000 BYN	722,211,454.91 STD

STD to BYN
STD	BYN
1 STD	0.0001385 BYN
10 STD	0.001385 BYN
100 STD	0.01385 BYN
1,000 STD	0.1385 BYN
10,000 STD	1.38 BYN
50,000 STD	6.92 BYN
100,000 STD	13.85 BYN

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

Related conversions

Popular Belarusian Ruble conversions

Popular Old São Tomé Dobra conversions

Questions about BYN to STD

How much is 100 BYN in STD?

100 Belarusian rubles is 722,211.45 old São Tomé dobras at the mid-market rate of 4 October 2026, 10:18 UTC, when 1 BYN = 7,222.11 STD.

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

Over the last 52 weeks 1 BYN ranged from 6,163.59 to 7,836.76 STD, 7,156.20 STD on average.

Which exchange rate is this?

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