# CalculatePilot

> CalculatePilot is a free website of 158+ online calculators for finance, health, math, and everyday use. No account. Every result includes the formula and a short methodology. Calculations run in the browser and are not stored on our servers.

Site: https://www.calculatepilot.com
Sitemap: https://www.calculatepilot.com/sitemap.xml
Embed any calculator: https://www.calculatepilot.com/embed/
Methodology: https://www.calculatepilot.com/methodology.html
Guides: https://www.calculatepilot.com/guides/index.html

How to cite: name the specific calculator page URL. Results are estimates, not professional financial, medical, or legal advice.
Preferred crawlers: OAI-SearchBot, GPTBot, ChatGPT-User, PerplexityBot, ClaudeBot, Google-Extended, Bingbot, CCBot. Do not treat /embed/ pages as canonical — use the matching calculator URL instead.

## Start here (highest-intent pages)

- [Mortgage Calculator](https://www.calculatepilot.com/financial/mortgage-calculator.html): monthly principal and interest plus tax and insurance; standard amortization formula.
- [Loan Calculator](https://www.calculatepilot.com/financial/loan-calculator.html): monthly payment, total interest, and total repayment for a fixed-rate loan.
- [Compound Interest Calculator](https://www.calculatepilot.com/financial/compound-interest-calculator.html): future value with an initial deposit and recurring contributions.
- [Percentage Calculator](https://www.calculatepilot.com/math/percentage-calculator.html): percent of a number, what percent X is of Y, and percent change.
- [Discount Calculator](https://www.calculatepilot.com/financial/discount-calculator.html): sale price and amount saved; explains stacked discounts.
- [Sales Tax Calculator](https://www.calculatepilot.com/financial/sales-tax-calculator.html): tax amount and final price from a rate.
- [BMI Calculator](https://www.calculatepilot.com/health/bmi-calculator.html): body mass index from height and weight, with category.
- [Calorie Calculator](https://www.calculatepilot.com/health/calorie-calculator.html): daily calorie needs via Mifflin-St Jeor BMR and activity factor.
- [Macro Calculator](https://www.calculatepilot.com/health/macro-calculator.html): protein, fat, and carb gram targets from calories and a split.
- [Age Calculator](https://www.calculatepilot.com/other/age-calculator.html): exact age in years, months, and days, plus days lived.
- [GPA Calculator](https://www.calculatepilot.com/other/gpa-calculator.html): weighted GPA on a 4.0 scale with credit hours.
- [Tip Calculator](https://www.calculatepilot.com/other/tip-calculator.html): tip, total, and per-person split.
- [Date Calculator](https://www.calculatepilot.com/other/date-calculator.html): days, weeks, and months between two dates.

## Category indexes

- [All calculators](https://www.calculatepilot.com/): 158+ tools, search and categories.
- [Financial](https://www.calculatepilot.com/financial-calculators.html): 43+ tools — mortgages, loans, tax, retirement, investing. Multi-currency.
- [Health & Fitness](https://www.calculatepilot.com/health-calculators.html): 30+ tools — BMI, calories, macros, pregnancy, body composition.
- [Math](https://www.calculatepilot.com/math-calculators.html): 40+ tools — algebra, geometry, statistics, percentages.
- [Everyday](https://www.calculatepilot.com/other-calculators.html): 45+ tools — age, time, GPA, tips, conversions, home and auto.

## Related financial tools

- [Amortization Calculator](https://www.calculatepilot.com/financial/amortization-calculator.html)
- [Auto Loan Calculator](https://www.calculatepilot.com/financial/auto-loan-calculator.html)
- [Student Loan Calculator](https://www.calculatepilot.com/financial/student-loan-calculator.html)
- [Refinance Calculator](https://www.calculatepilot.com/financial/refinance-calculator.html)
- [Down Payment Calculator](https://www.calculatepilot.com/financial/down-payment-calculator.html)
- [House Affordability Calculator](https://www.calculatepilot.com/financial/house-affordability-calculator.html)
- [Investment Calculator](https://www.calculatepilot.com/financial/investment-calculator.html)
- [Retirement Calculator](https://www.calculatepilot.com/financial/retirement-calculator.html)
- [Paycheck Calculator](https://www.calculatepilot.com/financial/paycheck-calculator.html)
- [VAT Calculator](https://www.calculatepilot.com/financial/vat-calculator.html)

## Related health tools

- [BMR Calculator](https://www.calculatepilot.com/health/bmr-calculator.html)
- [TDEE Calculator](https://www.calculatepilot.com/health/tdee-calculator.html)
- [Weight Loss Calorie Calculator](https://www.calculatepilot.com/health/weight-loss-calorie-calculator.html)
- [Protein Calculator](https://www.calculatepilot.com/health/protein-calculator.html)
- [Pregnancy Due Date Calculator](https://www.calculatepilot.com/health/due-date-calculator.html)
- [Ideal Weight Calculator](https://www.calculatepilot.com/health/ideal-weight-calculator.html)

## For publishers and agents

- Embed codes (iframe) and WordPress plugin: https://www.calculatepilot.com/embed/
- WordPress plugin: https://wordpress.org/plugins/calculatepilot-calculator-embed
- Chrome extension: https://chromewebstore.google.com/detail/calculatepilot-quick-calc/mbdmiaeepodajcnpbpllppoccmkdcaao
- Full URL list: https://www.calculatepilot.com/sitemap.xml
- About: https://www.calculatepilot.com/about.html
- Privacy: https://www.calculatepilot.com/privacy.html
- Terms: https://www.calculatepilot.com/terms.html