Finance Calculators
Plan loans, savings, investments, salaries, taxes, retirement, budgets, interest, and mortgage payments with free finance calculators.
Choose a tool and get an instant result
BlinkCalc tools are designed to be fast, practical, privacy-conscious, and easy to understand. Every result is calculated in your browser.
401(k) Calculator
Project your 401(k) balance at retirement with employer match and contribution scenarios.
Annuity Calculator
Calculate the present and future value of any annuity payment stream.
APR Calculator
Calculate the Annual Percentage Rate on any loan, including fees and costs.
Auto Loan Calculator
Calculate monthly car payments, total interest, and true cost of any auto loan.
Break-Even Calculator
Calculate how many units you need to sell to cover your costs.
CAGR Calculator
Find the Compound Annual Growth Rate of any investment over any period.
Canada Income Tax Calculator
Estimate Canadian federal and provincial income tax, taxable income, marginal rate, effective rate, and take-home income.
CD Calculator
Calculate the maturity value and interest earned on a certificate of deposit.
Compound Interest Calculator
See how your savings grow over time with compound interest.
Credit Card Payoff Calculator
See exactly how long to pay off your credit card and total interest paid.
Crypto Profit Calculator
Calculate crypto profit, loss, ROI, break-even price, trading fees, and estimated after-tax return.
Currency Converter
Convert between 20 major currencies using live mid-market rates.
Debt-to-Income Calculator
Calculate your DTI ratio to understand your borrowing capacity.
Dividend Yield Calculator
Calculate the dividend yield percentage and annual dividend income from any stock.
Emergency Fund Calculator
Find out how much you need in your emergency fund based on monthly expenses.
EMI Calculator
Calculate monthly EMI, total interest, total repayment, and amortization summary for loans.
EPF Calculator
Estimate your EPF retirement balance with employee + employer contributions, EPS allocation, VPF, salary growth, and EPFO interest.
Freelance Rate Calculator
Calculate the hourly rate you need to charge to hit your income goal as a freelancer.
Future Value Calculator
Calculate the future value of any investment with regular contributions.
Gratuity Calculator
Estimate your gratuity in India using the Payment of Gratuity Act formula, with service rounding, eligibility check, the ₹20 lakh statutory cap, and Section 10(10) tax exemption.
GST Calculator
Add GST to a price or remove it from a total.
Hourly to Salary Calculator
Convert between hourly rate and annual salary.
India Income Tax Calculator
Estimate India income tax under the old or new tax regime, including rebate, cess, taxable income, and take-home income.
Inflation Calculator
See how inflation erodes purchasing power over time.
Investment Return Calculator
Project investment growth with a year-by-year breakdown.
Lease Calculator
Calculate monthly lease payments for a car or equipment lease.
Life Annuity Calculator
Estimate monthly retirement income from a lump sum using life annuity assumptions.
Living Annuity Calculator
Estimate how long retirement capital may last with drawdowns, investment returns, inflation, and fees.
Loan Calculator
Estimate monthly payments, total interest, and repayment totals for a loan.
Loan Payoff Calculator
Estimate your loan payoff date, total interest, and how extra payments can help you pay off debt faster.
Margin Calculator
Calculate gross profit, margin percentage, and markup.
Meeting Cost Tracker
Estimate meeting cost from duration, attendees, hourly rates, salaries, loaded cost multiplier, and recurring meeting frequency.
Mortgage Calculator
Estimate monthly mortgage payments, total interest, and repayment totals.
Net Worth Calculator
Add up your assets and liabilities to calculate your total net worth.
Overtime Calculator
Calculate regular and overtime pay for any hourly rate and hours worked.
Paycheck Calculator
Estimate your take-home pay after federal and state taxes, Social Security, and Medicare.
Present Value Calculator
Calculate the present value of a future sum discounted at a given interest rate.
Rent vs Buy Calculator
Compare the true cost of renting vs buying a home over time.
Retirement Calculator
Project your retirement savings and see if you're on track to retire.
ROI Calculator
Calculate return on investment. Enter initial investment and final value.
Salary Calculator
Calculate take-home pay after tax for 12 countries.
Savings Calculator
Calculate how your savings grow over time with starting balance, regular contributions, compound interest, inflation, and tax estimates.
Savings Goal Calculator
Find out how much to save per month to reach any financial goal.
Simple Interest Calculator
Calculate interest earned on a principal at a fixed annual rate.
SIP Calculator
Calculate SIP maturity value, returns, benchmark comparison, step-up growth, and inflation-adjusted value.
Stamp Duty & Registration Calculator India
Estimate stamp duty, registration fees, surcharge, cess, and total property registration cost in India.
Stock Profit Calculator
Calculate profit, loss, and return on investment for any stock trade.
Tax Bracket Calculator
See exactly which US federal tax brackets your income falls into and your effective rate.
Tip Calculator
Calculate tip amounts and split bills fairly.
UK Income Tax Calculator
Estimate UK income tax, personal allowance, taxable income, marginal rate, effective rate, and take-home income.
US Income Tax Calculator
Estimate US federal income tax, taxable income, marginal rate, effective rate, and take-home income.
VAT Calculator
Add or remove VAT for 20+ countries. Choose a country preset or custom rate.
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Converters
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Date & Time
Free date and time tools to convert Unix timestamps, calculate the difference between dates, count down to a deadline, switch time zones, and convert military time.
Everyday
Practical everyday calculators for paint coverage, concrete and gravel volumes, electricity costs, wind chill, heat index, fuel cost, ABV, and more.
Developer Tools
Free online developer tools including JSON formatters, encoders, converters, validators, generators, regex testers, and debugging utilities. No signup, runs in your browser.
Frequently asked questions
Are these finance calculators accurate?
They use the standard formulas for each calculation (compound interest, mortgage amortisation, APR). Always verify a real-world quote with your lender or financial advisor. These tools are for planning and comparison, not regulated financial advice.
Can I use these calculators for any currency?
Yes. Most calculators are currency-agnostic. Enter the figures in any currency and the results come back in the same currency. The currency converter uses live mid-market rates.
Do you store the numbers I enter?
No. Every finance calculator runs locally in your browser. The values you enter never leave your device.