Mortgage, 401k, SIP, investment returns, loans, retirement and more. Instant results, no sign-up, works worldwide.
Whether you are planning a 401k contribution in the US, calculating stamp duty in the UK, estimating SIP returns in India, or working out a mortgage payment anywhere in the world, you will find a purpose-built tool here. Every calculator is free, instant, and works on any device.
Every page is served from Cloudflare's global edge network so your calculations load in under a second anywhere in the world. We keep JavaScript minimal, ship zero tracking by default, and render results in real time as you move a slider.
Our calculators are tuned for the financial products people actually use โ US 401k and Roth IRA rules, UK stamp duty bands, Indian mutual fund SIPs and tax slabs, and universal tools like compound interest, mortgage, and ROI that work for anyone.
Our most popular tools are the SIP Calculator, Mortgage Calculator, and 401k Calculator. Each takes a few inputs and instantly shows you the numbers that matter โ no sign-up, no ads wall.
New to finance? Check our Financial Glossary for 65+ investment terms explained simply. Browse All 100+ Calculators.