Digital entrepreneur since 2012. Building SEO-driven tools like calk.nz and finance platforms for global markets.

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Konstantin Iakovlev  • Peerlist

<h3>Free Crypto Calculators for Everyone</h3>CryptoCalk offers a comprehensive suite of 93 free cryptocurrency calculators designed to assist traders, investors, and researchers. These tools cover a wide range of essential financial calculations, including profit and loss analysis, mining profitability, Dollar-Cost Averaging (DCA) simulation, tax estimation for multiple countries, staking rewards projection, and risk-adjusted performance metrics like Sharpe ratio, Sortino ratio, and Value at Risk (VaR). Additionally, users can find calculators for DeFi yield comparisons, position sizing, liquidation points, and gas fees.Key Features:<ul><li>Extensive Calculator Library: Access 93 specialized calculators, with over 1,100 pages of tools and educational content.</li><li>Privacy-First Approach: All calculations are performed client-side in your browser, ensuring no data leaves your device and no signup is required.</li><li>Speed and Performance: Built with static HTML and minimal JavaScript, pages load in under 1 second, even on slower connections.</li><li>Multilingual Support: Available in 6 languages: English, Spanish, Portuguese, Turkish, Hindi, and Russian.</li><li>Mobile Ready: Features a responsive design with touch-optimized controls for use on any device.</li><li>Data Accuracy: Utilizes standard financial formulas and real-time market data from CoinGecko for accurate estimations.</li></ul>CryptoCalk is built with documented formulas and integrates with CoinGecko for real-time market data. It aims to provide reliable financial insights without intrusive signup processes, premium tiers, or tracking cookies. The entire codebase is open-source and publicly available on GitHub.

CryptoCalk — 93 Free Crypto Calculators

Calk AU is a localized online calculator platform built specifically for users in Australia. It provides free and practical calculators for everyday financial, property, business, lifestyle, and general-purpose decisions.The platform helps users quickly answer common questions: how much tax they may pay, what their take-home salary looks like, how mortgage repayments compare, how GST affects a price, how much stamp duty applies, whether renting or buying makes more sense, and how superannuation may grow over time.Calk AU covers Australian-specific categories such as tax, pay and salary, mortgage, superannuation, loans, property, business, health, auto, energy, and general tools. Popular tools include the income tax calculator, pay calculator, GST calculator, mortgage repayment calculator, stamp duty calculator, superannuation calculator, first home buyer calculator, rental yield calculator, negative gearing calculator, car loan calculator, ABN lookup tool, and vehicle registration calculators.The project is designed around the Australian market, using local terminology, financial rules, tax-year logic, and user search intent. It references official Australian sources such as ATO and government publications, with calculators aligned to the 2025–26 financial year.Privacy and simplicity are core product principles. Calculations run directly in the browser, so users can get instant results without creating an account or sending sensitive inputs to a server.Calk AU is part of a broader network of localized calculator platforms for different markets. The project combines SEO-driven content architecture, practical UX, scalable calculator templates, and market-specific data structures. The goal is to build a trusted Australian calculator hub that helps users make faster and clearer everyday decisions.

Calk AU — Australian Calculators

Built a calculator platform for New Zealand users, available as both a web product and an app. Led the project end-to-end, including structure, content direction, UX, SEO, and monetization.