💰 Free Finance Calculators

Free Finance Calculators

Make smarter money decisions with our free finance calculators. From loan payments and investment returns to tax brackets and budgeting, every tool works instantly in your browser — no app, no signup.

26+Tools
FreeAlways
0Signups needed
✅ Last updated: August 12, 2026
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Loan Payment Calculator

Calculate monthly EMI for home, car, or personal loans

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Mortgage Calculator

Monthly payment, amortization, and total interest

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SIP Calculator

Monthly investment returns and wealth projection

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Compound Interest

See how your money grows over time

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Income Tax Calculator 2024

Federal tax brackets and effective tax rate

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Salary Calculator

Annual to hourly conversion and take-home pay

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Budget Calculator

50/30/20 rule monthly budget planner

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Currency Converter

USD, EUR, GBP, INR and 50+ currencies

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Percent Off Calculator

Sale price and savings calculator

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Percentage Calculator

All 6 percentage formulas in one tool

🍽️

Tip Calculator

Split bill and calculate gratuity

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Sales Tax Calculator

Add or remove tax for any US state

🔄

ROI Calculator

Return on investment percentage

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Investment Calculator

Future value and investment returns

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Retirement Calculator

How much you need to retire

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Savings Calculator

Goal-based savings projections

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Inflation Calculator

Purchasing power over time

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Profit Margin Calculator

Gross and net margin analysis

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Break-Even Calculator

Units and revenue to break even

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Personal Loan Calculator

Monthly payment and total cost

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Personal Loan EMI

Interest and repayment breakdown

🚗

Car Loan Calculator

Auto loan monthly payment

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Simple Interest

SI formula calculator

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Unit Price Calculator

Find best value per unit

Gas Cost Calculator

Road trip fuel cost estimator

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Stock Return Calculator

CAGR and investment gains

Frequently Asked Questions

Yes. All calculators use standard mathematical formulas. For financial decisions, always verify with a licensed financial advisor as results are for informational purposes.
No. Every calculator on Calcus is completely free with no account required. Just open the tool and start calculating.
Yes. All tools are fully responsive and work on phones, tablets, and desktops. No app download needed.

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