81 ETH to BTC

81 ETH Ethereum = 3.13 BTC Bitcoin at the rate on .

1 ETH = 0.04 BTC +0.0003 BTC (+0.66%) at the rate on 2025-09-09.

The cost of 81 Ethereums in Bitcoins today is 3.13 BTC according to the “Open Exchange Rates”, compared to yesterday, the exchange rate increased by 0.66% (by +0.0003 BTC). The exchange rate of the Ethereum in relation to the Bitcoin on the chart, the table of the dynamics of the cost as a percentage for the day, week, month and year.

Currency Converter

Ethereum
ETH Ethereum Cryptocurrency
Bitcoin
BTC Bitcoin Cryptocurrency

With the currency converter, you can convert 81 Ethereums to Bitcoins and find out how much eighty-one ethereums is currently worth in Bitcoins. Also, you can make a reverse calculation and find out the current value of 81 Bitcoins in Ethereums.

79 ETH to BTC 80 ETH to BTC 81 ETH to BTC 82 ETH to BTC 83 ETH to BTC
3.05 BTC 3.09 BTC 3.13 BTC 3.17 BTC 3.21 BTC

Graph of change in 81 Ethereums to Bitcoins rate

Select the period for plotting the chart:

The Ethereum to Bitcoin exchange rate on the chart allows you to track changes over different periods and draw conclusions about possible forecasts of the exchange rate of one currency in relation to another.

Dynamics of the cost changes of 81 Ethereums (ETH) in Bitcoins (BTC)

Compare the cost of 81 Ethereums in Bitcoins in the past with the current price at the moment.
Changes for the week (7 days)
Date Day of the week 81 ETH to BTC Changes Changes %
September 3, 2025 Wednesday 81 ETH = 3.23 BTC +0.08 BTC +2.55%
September 4, 2025 Thursday 81 ETH = 3.16 BTC -0.08 BTC -2.48%
September 5, 2025 Friday 81 ETH = 3.15 BTC -0.0028 BTC -0.09%
September 6, 2025 Saturday 81 ETH = 3.15 BTC -0.01 BTC -0.23%
September 7, 2025 Sunday 81 ETH = 3.14 BTC -0.01 BTC -0.27%
September 8, 2025 Monday 81 ETH = 3.11 BTC -0.03 BTC -0.85%
September 9, 2025 (today) Tuesday 81 ETH = 3.13 BTC +0.02 BTC +0.66%
The cost of 81 Ethereums (ETH) in Bitcoins for a week (7 days) decreased by -0.10 BTC (zero bitcoin one hundred thousand bits).
Changes for the month (30 days)
Date Day of the week 81 ETH to BTC Changes Changes %
August 10, 2025 Sunday 81 ETH = 2.89 BTC -0.07 BTC -2.56%
September 9, 2025 (today) Tuesday 81 ETH = 3.13 BTC +0.24 BTC +7.72%
The cost of 81 Ethereums (ETH) in Bitcoins for a month (30 days) increased by +0.24 BTC (zero bitcoin two hundred forty thousand bits).
Changes for the year (365 days)
Date Day of the week 81 ETH to BTC Changes Changes %
September 9, 2024 Monday 81 ETH = 3.34 BTC -0.07 BTC -2.09%
September 9, 2025 (today) Tuesday 81 ETH = 3.13 BTC -0.21 BTC -6.58%
The cost of 81 Ethereums (ETH) in Bitcoins for a year (365 days) decreased by -0.21 BTC (zero bitcoin two hundred ten thousand bits).

Cross rate of 81 ETH to other currencies