CalcFi
Free financial calculators that do the math for you.
CalcFi is a free collection of 312+ financial calculators covering mortgages, investing, taxes, retirement, crypto, debt, insurance, and business. Every calculator runs instantly in your browser — no signup, no ads, no paywalls. Built for people who want fast, accurate answers to real money questions.
Features
- 312+ calculators across 10 financial categories
- No signup or account required
- No ads, no paywalls — completely free
- Instant results with detailed breakdowns
- Available in English and Spanish
- Embeddable calculators for other websites
- Mobile-friendly responsive design
- State-specific tax and salary data for all 50 US states
Use Cases
- Calculate monthly mortgage payments before house hunting
- Compare Roth vs Traditional IRA for retirement planning
- Figure out how long to pay off credit card debt
- Estimate take-home pay after taxes in any US state
- Plan a FIRE retirement number
- Compare cost of living between cities
- Calculate crypto tax liability
- Run break-even analysis for a new business
Comments
Hey! 👋 I built CalcFi because I was tired of financial calculator sites loaded with ads, paywalls, and signup walls. CalcFi has 312+ free calculators covering everything from mortgages to crypto taxes — all instant, no account needed. Would love your feedback on which calculators you find most useful!
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Comments
Hey! 👋 I built CalcFi because I was tired of financial calculator sites loaded with ads, paywalls, and signup walls. CalcFi has 312+ free calculators covering everything from mortgages to crypto taxes — all instant, no account needed. Would love your feedback on which calculators you find most useful!
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