Currency converter
STD to OP

50 STD to OP

Convert São Tomé and Príncipe dobras to Optimism at the live mid-market rate.

Amount

From

50 São Tomé and Príncipe dobras =

0.0178 OP +3.94% today

1 STD = 0.00035605 OP · 1 OP = 2,808.62 STD

Mid-market rate, updated 23:57 UTC. Paid plans update as often as every 60 seconds. Get this rate via API

STD to OP over the last year

52-week high: 0.00056875
52-week low: 0.00006256
52-week average: 0.00031933
Change over the year: +406.46%

Conversion tables

STD to OP
STD	OP
1 STD	0.000356 OP
5 STD	0.00178 OP
10 STD	0.00356 OP
25 STD	0.008901 OP
50 STD	0.0178 OP
100 STD	0.0356 OP
250 STD	0.08901 OP
500 STD	0.178 OP
1,000 STD	0.356 OP
5,000 STD	1.78023150 OP
10,000 STD	3.56046300 OP
50,000 STD	17.80231500 OP

OP to STD
OP	STD
1 OP	2,808.62 STD
5 OP	14,043.12 STD
10 OP	28,086.24 STD
25 OP	70,215.59 STD
50 OP	140,431.18 STD
100 OP	280,862.37 STD
250 OP	702,155.92 STD
500 OP	1,404,311.83 STD
1,000 OP	2,808,623.67 STD
5,000 OP	14,043,118.33 STD
10,000 OP	28,086,236.65 STD
50,000 OP	140,431,183.27 STD

STD to OP via API

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

Get a free API key API documentation

curl https://api.currencyapi.com/v3/latest \
  -G -d base_currency=STD -d currencies=OP \
  -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=OP \
  -d date=2025-09-29 \
  -H "apikey: YOUR-API-KEY"

Popular São Tomé and Príncipe dobra conversions

Questions about STD to OP

How much is 50 STD in OP?

50 São Tomé and Príncipe dobras is 0.0178 Optimism at the mid-market rate of 29 September 2026, 23:57 UTC, when 1 STD = 0.00035605 OP.

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

Over the last 52 weeks 1 STD ranged from 0.00006256 to 0.00056875 OP, 0.00031933 OP on average.

Which exchange rate is this?

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