Convert 1 Optimism (OP) to Tether (USDT)

Convert Optimism to Tethers at the live mid-market rate. Reverse: USDT to OP

Amount

From

1 Optimism =

0.1333 USDT −2.27% today

1 OP = 0.133275 USDT · 1 USDT = 7.50329 OP

Mid-market rate, updated 11:05 UTC. Paid plans update as often as every 60 seconds. Get OP→USDT rates via API

OP to USDT over the last year

52-week high: 0.75812
52-week low: 0.08208
52-week average: 0.19928
Change over the year: −81.59%

Conversion tables

OP to USDT
OP	USDT
1 OP	0.1333 USDT
10 OP	1.33 USDT
100 OP	13.33 USDT
1,000 OP	133.27 USDT
10,000 OP	1,332.75 USDT
50,000 OP	6,663.74 USDT
100,000 OP	13,327.49 USDT

USDT to OP
USDT	OP
1 USDT	7.50329014 OP
10 USDT	75.03290144 OP
100 USDT	750.32901438 OP
1,000 USDT	7,503.29014380 OP
10,000 USDT	75,032.90143800 OP
50,000 USDT	375,164.50719000 OP
100,000 USDT	750,329.01438000 OP

Get OP→USDT rates via API

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

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

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Questions about OP to USDT

How much is 1 OP in USDT?

1 Optimism is 0.1333 Tethers at the mid-market rate of 4 October 2026, 11:05 UTC, when 1 OP = 0.133275 USDT.

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

Over the last 52 weeks 1 OP ranged from 0.0820808 to 0.758117 USDT, 0.199284 USDT on average.

Which exchange rate is this?

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