Free Finance Calculators
Simplify your financial planning with our 100% free tools. Get instant, accurate calculations for your Loans, Business Taxes, Salary, and Investments to make smarter money decisions.
Category Updated: May 18, 2026
Loans & Mortgages
Taxes, Salary & Business
GST Calculator
Easily calculate GST-inclusive and exclusive prices with accurate tax breakdowns.
Calculate NowIncome Tax Calculator
Quickly estimate your annual tax liability with the latest slabs and exemptions.
Calculate NowInvoice Generator
Create professional, GST-compliant invoices online—download or share instantly.
Create NowReverse Sales Tax Calculator
Find the pre-tax price of any item by removing sales tax. Perfect for accurate billing.
Calculate Now8th Pay Commission Salary Calculator
Calculate your salary under the 8th Pay Commission, including Basic Pay, HRA, and DA.
Calculate NowTIP Calculator
Easily calculate restaurant tips, exclude local taxes, and split dining bills evenly with friends instantly.
Calculate Tip NowInvestments, FD & Crypto
Mutual Fund SIP Calculator
Estimate your mutual fund returns, SIP growth, and future wealth with ease.
Calculate NowFixed Deposit Calculator
Calculate FD maturity amount and interest earned using accurate compounding formulas.
Calculate NowPost Office FD Calculator
Calculate maturity amount and total interest earned using quarterly compounding.
Calculate NowSSY Calculator
Calculate maturity amount, total interest, and savings using the 21-year scheme period.
Calculate NowLIC Jeevan Labh (936) Calculator
Calculate premium, maturity amount, and bonuses for LIC Jeevan Labh.
Calculate NowShare Incentive Plan Calculator
Estimate returns, taxes, and take-home value from your employee share plans.
Calculate NowZerodha Brokerage Calculator
Easily calculate all Zerodha trading charges—brokerage, STT, transaction fees, etc.
Calculate NowShiba Inu Profit (Crypto) Calculator
Calculate potential profits, ROI, and growth projections for cryptocurrency investments.
Calculate NowFrequently Asked Questions
Are these finance calculators accurate?
Yes, our tools use standard financial formulas (such as compound interest and RBI guidelines). However, they are for estimation purposes. Always consult a financial advisor for exact figures.
Do you save my financial data?
No. All calculations are performed locally in your web browser. We do not store, save, or track your financial inputs on our servers.
Are the tax calculators updated for 2026?
We strive to keep our GST, Income Tax, and Salary calculators updated with the latest slabs and regulations announced by the government.
Can I request a custom financial tool?
Absolutely! If you need a specific business or investment calculator that isn't listed here, contact us and we will build it.
More Calculators Coming Soon!
Have a suggestion, found an error, or want a completely new calculator? We're all ears.
Contact Our TeamCite this content, page or calculator as:
Himanshu Grewal, "Finance" at https://freeaicalculator.com/finance/ from Free AI Calculator, https://freeaicalculator.com - Online Calculators, Generators & Web Tools.