Convert 10,000 Optimism (OP) to Old Zambian Kwacha (ZMK)

Convert Optimism to old Zambian kwachas at the live mid-market rate. Reverse: ZMK to OP

The Old Zambian Kwacha is no longer in use

Old Zambian Kwacha (ZMK) was replaced by the Zambian Kwacha (ZMW) in 2013. For today’s money, convert OP to ZMW.

Amount

From

10,000 Optimism =

11,906,059 ZMK −3.16% today

1 OP = 1,190.61 ZMK · 1 ZMK = 0.00083991 OP

Mid-market rate, updated 11:33 UTC. Paid plans update as often as every 60 seconds. Get OP→ZMK rates via API

OP to ZMK over the last year

52-week high: 6,820.04
52-week low: 739.60
52-week average: 1,794.83
Change over the year: −81.73%

Conversion tables

OP to ZMK
OP	ZMK
1 OP	1,191 ZMK
10 OP	11,906 ZMK
100 OP	119,061 ZMK
1,000 OP	1,190,606 ZMK
10,000 OP	11,906,059 ZMK
50,000 OP	59,530,294 ZMK
100,000 OP	119,060,588 ZMK

ZMK to OP
ZMK	OP
1 ZMK	0.0008399 OP
10 ZMK	0.008399 OP
100 ZMK	0.08399 OP
1,000 ZMK	0.8399 OP
10,000 ZMK	8.39908500 OP
50,000 ZMK	41.99542500 OP
100,000 ZMK	83.99085000 OP

Get OP→ZMK rates via API

The live rate, the rate on any past day or a whole range, for ZMK 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=ZMK \
  -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=ZMK \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about OP to ZMK

How much is 10,000 OP in ZMK?

10,000 Optimism is 11,906,059 old Zambian kwachas at the mid-market rate of 4 October 2026, 11:33 UTC, when 1 OP = 1,190.61 ZMK.

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

Over the last 52 weeks 1 OP ranged from 739.599 to 6,820.04 ZMK, 1,794.83 ZMK on average.

Which exchange rate is this?

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