8 free tools

Clear numbers.
Proper decisions.

Current rates and rules are built in. Every result is shareable as a link.

Mortgage & home buying

2
Mortgage calculator Popular
Full mortgage with fees, variable rates, stress testing, and amortization schedule.
First-time buyer calculator
PITI, closing costs, and PMI impact for US home buyers.

Finance

2
Loan repayment calculator
Annuity or linear repayment with full amortization table.
VAT calculator
Add or extract value-added tax. Supports multiple rates.

Date & time

4
Age calculator
Exact age in years, months, and days. Next birthday countdown.
Date difference
Days, weeks, or months between any two dates.
Business days
Count working days between two dates, excluding weekends.
Due date calculator
Expected due date based on conception or last menstrual period.

Need a guide?

Explore home buying guides for US first-time buyers, or check the mortgage comparison template.

Frequently asked questions

Are these calculators free?

Yes, all calculators are completely free with no signup required. We don't collect personal data — all calculations run in your browser.

Can I share my results?

Yes. Every calculator has a button to copy a link with your exact result. Send it to anyone — the numbers will load automatically when they open it.

Do they work on mobile?

Yes, all calculators are responsive and work on phones, tablets, and desktops. You can also print results directly from your browser.

How accurate are the results?

Our calculators use current rates and formulas. We update them regularly, but for specific financial decisions always consult a qualified professional.