Friendly Calculator provides practical browser-based calculators for everyday users, independent professionals and growing businesses. The main calculator experience is available directly from the homepage.
Available calculators
- GST Calculator
- Loan EMI Calculator
- Fixed Deposit Calculator
- Discount Calculator
- PF / EPF Calculator
- Bank Savings Account Interest Calculator
- Salary Calculator
- SIP Calculator
- Inflation Calculator
- BMI Calculator
- Fuel Cost Calculator
- Basic Income Tax Calculator (India)
- Age Calculator
- Electricity Bill Calculator
- TDS Calculator on Salary
- Profit & Loss Calculator
How the tools work
The main website calculators are designed to process entered values in the visitor's browser. Enquiry forms, where enabled, may transmit the information deliberately submitted by the visitor to the service backend so the enquiry can be reviewed and answered. Please do not submit passwords, OTPs, payment-card details, government identity numbers or other sensitive information.
Business and developer services
Potential business models include advertising, affiliate partnerships, premium tools, calculator widgets, white-label licensing, custom calculator development and API access. These are not all active services. API access is limited, subject to manual review and documented at the API documentation page. See Business Models & Partnerships for status information.
Accuracy and responsible use
Calculator outputs are estimates based on the values and assumptions entered. They are not professional tax, legal, accounting, lending, investment or medical advice. Verify important decisions with a qualified professional or the relevant provider.
What visitors can expect
Each calculator page is intended to explain its purpose, the inputs it uses, the calculation method and important limitations. Results are generated from the values entered by the visitor and should be treated as estimates unless the page explicitly states otherwise. A calculator is not a substitute for a bank statement, tax assessment, utility bill, medical assessment or professional service.
Sources, assumptions and corrections
Financial, tax and utility rules can change. Where a tool depends on external rules or rates, visitors should check the relevant official department, provider or current product terms before acting. The Calculation Methodology & Sources page explains how to interpret formulas and assumptions. If you notice a calculation issue or unclear instruction, contact us with the page URL and a sample input that does not contain personal or confidential information.
Navigation and accessibility
Visitors can reach the main tools from the homepage, browse all calculator pages in the Calculator Directory, and use the shared navigation and footer links to reach About, Methodology, Privacy and Terms. Calculator inputs are labelled to make their purpose clear, and important results should be reviewed before use.
Contact
For questions, use the enquiry options shown on the homepage.