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

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

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 ZMW to OP.

Amount

From

10 old Zambian kwachas =

0.00827 OP +1.68% today

1 ZMK = 0.00082701 OP · 1 OP = 1,209.17 ZMK

Mid-market rate, updated 07:43 UTC. Paid plans update as often as every 60 seconds. Get ZMK→OP rates via API

ZMK to OP over the last year

52-week high: 0.00135208
52-week low: 0.00014663
52-week average: 0.00076488
Change over the year: +438.98%

Conversion tables

ZMK to OP
ZMK	OP
1 ZMK	0.000827 OP
10 ZMK	0.00827 OP
100 ZMK	0.0827 OP
1,000 ZMK	0.827 OP
10,000 ZMK	8.27012600 OP
50,000 ZMK	41.35063000 OP
100,000 ZMK	82.70126000 OP

OP to ZMK
OP	ZMK
1 OP	1,209 ZMK
10 OP	12,092 ZMK
100 OP	120,917 ZMK
1,000 OP	1,209,171 ZMK
10,000 OP	12,091,714 ZMK
50,000 OP	60,458,571 ZMK
100,000 OP	120,917,142 ZMK

Get ZMK→OP rates 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. See the exchange rate API.

Get a free API key API documentation

curl https://api.currencyapi.com/v3/latest \
  -G -d base_currency=ZMK -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=ZMK -d currencies=OP \
  -d date=2025-10-04 \
  -H "apikey: YOUR-API-KEY"

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Questions about ZMK to OP

How much is 10 ZMK in OP?

10 old Zambian kwachas is 0.00827 Optimism at the mid-market rate of 4 October 2026, 07:43 UTC, when 1 ZMK = 0.00082701 OP.

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

Over the last 52 weeks 1 ZMK ranged from 0.00014663 to 0.00135208 OP, 0.00076488 OP on average.

Which exchange rate is this?

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