Financial
Intelligence.
Instant Decisions.
Professional calculators for entrepreneurs, e-commerce sellers, and investors. Loan, Tax, Mortgage, Amazon FBA — instant results, no signup.
Every Financial Decision, Calculated
From loan amortization to global tax brackets — our tools are built for accuracy, speed, and professional-grade results.
Net Worth Calculator
Asset & debt tracking, liquid net worth, wealth benchmarks
Loan Calculator
Amortization schedules, what-if scenarios, CSV export
Global Tax Calculator
21 countries, 2020–2025 brackets, FICA & National Insurance
Mortgage Calculator
PITI payments, PMI, down payment, insurance
Etsy Fee Calculator
Listing, transaction, payment & offsite ads breakdown
Amazon FBA Calculator
Referral fees, FBA tiers, net profit margin
Shopify & Stripe
Gateway fee comparison, net revenue, processing rates
POD Profit Calculator
Printify, Printful unit margins & break-even pricing
ROAS Calculator
Break-even ad spend, target CPA, return on investment
Built for Professionals
The same depth and accuracy you'd expect from a Bloomberg Terminal — at zero cost.
Zero Latency Engine
All formulas execute instantly in your browser — no API calls, no waiting. Calculations are memoized for maximum performance.
21 Countries
The Global Tax Calculator supports localized brackets for the US, UK, Canada, Australia, and 17+ more countries with 2020–2025 tax years.
Your Data Stays Local
Every calculation runs entirely in your browser — your financial inputs are never sent to our servers. No account required, no financial data collected.
Export Everything
Download amortization schedules as CSV, print beautiful PDF reports, or share your results with a link. Built for teams.
Interactive Dashboards
Every calculator features live Recharts visualizations — pie charts, line charts, bar charts — that respond to your inputs instantly.
What-If Scenarios
Compare alternative financial paths instantly. See how a 1% rate change or extra $100/month payment affects your total cost.
Ready to make smarter
financial decisions?
No credit card. No signup. Open a calculator and start making better decisions in seconds.