为什么投资者和交易者选择 CryptoMathly
始终计入手续费
交易所手续费会悄悄侵蚀收益。每个计算器都把它算进去，您看到的就是实际到手的利润。
真实历史价格
定投计算器使用真实的周线或月线行情回放您的计划，而不是假设的增长率。
最新税务规则
美国 2026 年税级、英国 18%/24% 资本利得税及 3,000 英镑免税额，以及加拿大 50% 计入比例。
隐私优先
所有计算都在您的浏览器中完成。我们看不到也不会存储您输入的任何金额。
最新指南
查看全部指南 →（英文）
How to Calculate Crypto Profit and Loss (With Fees Included)
Learn the exact formula for crypto profit and loss including buy and sell fees, with worked examples, common mistakes and a free calculator.
Profit & ROIHow to Calculate Your Crypto Break-Even Price
Find the exact price your coin must reach to recover your money after fees. Formula, examples for one and multiple buys, and why break-even is higher than you think.
Profit & ROIHow to Calculate Your Average Buy Price in Crypto
Calculate your average purchase price across multiple crypto buys, including fees. Weighted average formula, worked examples and how it differs from tax cost basis.
Profit & ROICrypto ROI: How to Calculate Return on Investment (and What Counts as Good)
How to calculate crypto ROI, annualized return and return multiples, with examples. Plus how to judge whether a return is actually good once risk and time are included.
Profit & ROICrypto Exchange Fees Explained: Maker, Taker, Spread and Hidden Costs
Understand every crypto trading cost — maker and taker fees, spreads, deposit and withdrawal fees, funding and slippage — and how to calculate their real impact on returns.
Profit & ROIRealized vs Unrealized Gains in Crypto (and Why the Difference Matters)
The difference between realized and unrealized crypto gains, how each is calculated, when tax applies and how to avoid confusing paper profits with real ones.
常见问题
这些加密货币计算器免费吗？
是的。CryptoMathly 的所有计算器均免费使用，无需账户，没有限制。
实时价格从哪里来？
实时价格和历史 K 线来自 Binance 公共行情 API，比特币全网算力来自 mempool.space。如果数据无法加载，您可以手动输入。
税务计算器是官方税务建议吗？
不是。它根据已公布的 2026 年税率提供教育性估算。请务必向专业人士或税务机关确认。
你们会保存我输入的数据吗？
不会。计算完全在浏览器中进行，不会向我们的服务器发送任何内容。