Swap Simon's Cat (CAT) for Bitcoin (BTC)

The calculator does the maths at the live rate, the page lists the limits and the timing. Your rate is locked the moment the order is created.

Rate as of Sep 17, 2026 03:28

Orders from: 99,800,399.2 CAT ≈ $197.60
Payout network: Bitcoin
24 hours: +0.11%

You send

CAT

You get 0.0259176

BTC

Start the order

Rate: 1 CAT = 0.000000000026 BTC
From: 99,800,399.2 CAT
Up to: 5,050,000,000,000 CAT

The figure is indicative; the exact amount is locked in the order.

The direction runs at 0.000000000026 BTC per CAT, or 38,583,778,780.81 CAT per BTC. Market over 24 hours: CAT against BTC plus 0.11%. The week added minus 0.25%.

The weekly corridor ran from 0.000000000025 to 0.000000000028 BTC, a spread of 10.85%. A single order takes 99,800,399.2 to 5,050,000,000,000 CAT. In dollars that is roughly $197.60.

By market cap Simon's Cat sits 993th ($14.83 M) and Bitcoin 1th ($1.53 T).

Who takes the CAT → BTC route

A hard cap on supplyThere will be 21 M BTC and not one more, and that cap is the whole case for holding Bitcoin long term.
Different basketsHolding part of the amount in Bitcoin loosens a portfolio's dependence on a single coin.
A road both waysThe BTC → CAT direction is open too, so going back into CAT takes the same route.

CAT → BTC rate and amounts

1 CAT = 0.000000000026 BTC

1 BTC = 38,583,778,780.81 CAT

Send CAT — receive BTC

CAT	BTC	≈ USD
100,000,000	0.00259176	$198.00
500,000,000	0.0129588	$990.00
1,000,000,000	0.0259176	$1,980.00
5,000,000,000	0.129588	$9,900.00
10,000,000,000	0.259176	$19,800.00
50,000,000,000	1.2959	$99,000.00

Need BTC — send this much CAT

BTC	CAT	≈ USD
0.005	192,918,893.9	$381.98
0.01	385,837,787.81	$763.96
0.05	1,929,188,939.04	$3,819.79
0.1	3,858,377,878.08	$7,639.59
0.5	19,291,889,390.41	$38,197.94
1	38,583,778,780.81	$76,395.88

How the CAT → BTC order runs

Work out the amount in the calculator: orders start at 99,800,399.2 CAT.
Enter a BTC address in Bitcoin and a way to reach you.
Send CAT in Simon's Cat for exactly the amount stated in the order.
Once the network confirms your transfer, Bitcoin leaves for your address. The order page tracks every step.

Swap CAT for BTC

Check this before sending CAT

The address network is Bitcoin. Sending through another network usually means losing the transfer.
The transfer must not be smaller than 99,800,399.2 CAT.
Copy the address whole, then compare the first and last characters after pasting.
Coins go through an AML check: a flagged transfer can be held until the check is finished.

Where the CAT to BTC rate has been

Week

high 0.000000000028 BTClow 0.000000000025 BTC

Sep 10, 2026 03:29Sep 17, 2026 03:29

24 hours: +0.11%
Week: −0.25%
Weekly high: 0.000000000028 BTC
Weekly low: 0.000000000025 BTC
Spread: 10.85%

Market data from CoinGecko as of Sep 17, 2026 03:24; the exchange rate is calculated separately and differs. Where these numbers come from

How far CAT/BTC travelled, by period

Period	High	Low	Middle	Net move
24 hours	0.000000000026	0.000000000025	0.000000000026	+0.11%
Week	0.000000000028	0.000000000025	0.000000000026	−0.25%

Figures are in BTC per unit sent, from market data.

The numbers on CAT and BTC

Simon's Cat CAT

Price: $0.00000198
24 hours: +0.98%
Week: −0.1%
Market cap: $14.83 M
24-hour turnover: $685.44 K
Rank by cap: #993
In circulation: 7.5 T CAT
Record price: $0.00006811

Bitcoin BTC

Price: $76,357.00
24 hours: +0.87%
Week: −2.3%
Market cap: $1.53 T
24-hour turnover: $31 B
Rank by cap: #1
In circulation: 20.09 M BTC
Record price: $126,080.00

Source: CoinGecko, Sep 17, 2026 03:24.

Simon's Cat against Bitcoin

	Simon's Cat (CAT)	Bitcoin (BTC)
Ticker	CAT	BTC
In circulation	7.5 T CAT	20.09 M BTC
Market cap	$14.83 M	$1.53 T
Rank by cap	#993	#1
Type	—	coin of its own network
Launched	—	2009
Built by	—	Satoshi Nakamoto
Consensus	—	Proof of Work (SHA-256)
Block	—	~10 min
Supply cap	—	21 M BTC
Privacy	—	transfers are public

Common questions: CAT → BTC

What rate does CAT to BTC run at?

As of Sep 17, 2026 03:28 it is 1 CAT = 0.000000000026 BTC. The figure recalculates on its own, and the calculator always shows the fresh one. In dollars that is around $0.00000197899.

What amounts does CAT → BTC accept?

From 99,800,399.2 to 5,050,000,000,000 CAT per order. The lower limit is roughly $197.60.

Where does the 99,800,399.2 CAT floor come from?

Network fees and order handling eat a small transfer alive — below 99,800,399.2 CAT the swap stops making sense for either side.

What else is taken on top of the rate?

The payout is already calculated at the rate in the calculator. On top of it you only pay the network fee for sending CAT, and that one goes to the blockchain, not to us.

How long does CAT to BTC take?

The clock starts with confirmations: the order goes into work once Simon's Cat confirms your transfer. After that it comes down to how busy the network is.

Which network will BTC arrive in?

Bitcoin leaves in its own Bitcoin network — a plain BTC address is all you need.

What if the rate moves while I am paying?

The rate is pinned to the order and does not move while the order is alive. It can be recalculated if the payment arrives late or for a different amount — so send the exact sum, and send it promptly.

Can I go back, BTC to CAT?

Yes, the reverse direction is open: 1 BTC = 38,894,935,158.27 CAT. The link sits right under the calculator.