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    CalcGate

    Free Online Calculators Finance, Health & Everyday

    99+ free tools for loans, tax, fitness, education, and daily math. Finance and tax pages cite their formulas and sources.

    🔥 Popular Calculators

    EMI Calculator
    Monthly loan payment
    BMI Calculator
    Body mass index check
    Mortgage Calculator
    Home loan payment
    Compound Interest
    Investment growth
    TDEE Calculator
    Daily calorie needs
    Percentage
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    UK Take-Home Pay
    See exactly how much of your salary you keep after income tax, National Insurance, student loan repayments and pension contributions.
    Stamp Duty Calculator
    Calculate Stamp Duty Land Tax on residential property purchases in England and Northern Ireland.
    UK VAT Calculator
    Instantly add or remove 20% standard-rate VAT for UK businesses and invoices.
    Redundancy Pay Calculator
    Calculate your statutory redundancy pay using official GOV.UK age bands, service years, and the weekly pay cap.
    Self-Employed Tax Calculator
    Estimate income tax and Class 2 & 4 National Insurance on self-employed trading profit using HMRC rates.
    Pension vs ISA Calculator
    Compare tax-efficient pension (SIPP) contributions vs a Stocks & Shares ISA using the same gross salary amount.
    Capital Gains Tax
    Estimate federal tax on stock and investment gains — short-term vs long-term rates and NIIT.
    Federal Income Tax
    Calculate federal income tax using IRS brackets and the standard deduction.
    Self-Employment Tax
    Estimate SE tax (Social Security + Medicare) and federal income tax on 1099 / freelance profit.
    EU VAT Calculator
    Add or remove VAT using standard rates for all EU member states.
    View All
    +23 more

    Country-Specific Calculators

    Local tax, salary, and finance tools where rules differ by country.

    🇬🇧

    United Kingdom

    Take-home pay, stamp duty, VAT and property calculators for the UK.

    6 calculators

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    🇺🇸

    United States

    Tax, mortgage, retirement and paycheck calculators for the United States.

    17 calculators

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    🇪🇺

    European Union

    Salary and VAT calculators for Germany, Netherlands, France and EU residents.

    5 calculators

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    🇮🇳

    India

    Income tax, GST, PPF, NPS, HRA and gratuity calculators for India.

    6 calculators

    View calculators

    📚 Popular Guides & Articles

    The Power of Compound Interest: How Your Money Grows

    Discover how compound interest works, learn the magic formula, and see real examples of how your money can grow exponentially over time.

    12 mininvestment

    Simple Interest vs Compound Interest: Key Differences

    Understand the crucial differences between simple and compound interest with real examples, formulas, and interactive comparisons.

    10 minfinance

    Rule of 72: Quick Way to Calculate Investment Doubling

    Master the Rule of 72 - the simple mental math trick to calculate how many years it takes to double your money.

    8 mininvestment

    Understanding Loan Amortization: Where Your Payment Goes

    Learn how loan amortization works, why early payments are mostly interest, and how to save thousands on your loan.

    11 minfinance

    How to Calculate Your Monthly Loan Payment

    Master the loan payment formula with step-by-step examples. Calculate EMI for any loan type - mortgage, auto, personal.

    10 minfinance

    Fixed vs Variable Interest Rate: Which is Better?

    Compare fixed and variable interest rates, understand when each makes sense, and make smarter borrowing decisions.

    9 minfinance

    What you get on every page

    Clear inputs, instant results, and — on finance and tax tools — formulas and linked sources so you can verify the numbers.

    99+ Calculators

    Across 14 categories — finance, health, loans, everyday

    40+ Cited sources

    Tax and finance pages link to official rate publications

    Instant results

    Outputs update as you change amounts, rates, or dates

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    Use every tool without creating an account

    💡 Quick Financial Tips

    💰 Rule of 72

    Divide 72 by your interest rate to find how many years it takes to double your money. At 8% return, your money doubles in ~9 years!

    📊 50/30/20 Budget Rule

    Allocate 50% for needs, 30% for wants, and 20% for savings. A simple framework for financial balance!

    🏠 28/36 Mortgage Rule

    Housing costs should be ≤28% of gross income, total debt ≤36%. Use our mortgage calculator to check affordability!