2026topopentools

Free Financial Calculators

Free financial calculators for loans, mortgages, debt, investments, retirement, and currency — accurate results with no spreadsheet needed.

EMI Calculator

Calculate monthly EMI for home, car, or personal loans with a full amortization schedule.

Use tool →

Mortgage Calculator

Estimate monthly mortgage payments with taxes, insurance, and HOA fees included.

Use tool →

House Affordability Calculator

Find out how much house you can afford from your income using the 28/36 rule.

Use tool →

Credit Card Payoff Calculator

See how long to clear a card balance and how much interest you save by paying more.

Use tool →

Compound Interest Calculator

See how your money grows with daily, monthly, or annual compounding.

Use tool →

ROI Calculator

Calculate return on investment and annualized ROI for any investment.

Use tool →

Retirement Savings Calculator

Project your retirement corpus from monthly savings and expected returns.

Use tool →

Currency Converter

Convert between 20+ major world currencies instantly.

Use tool →

Mortgage Refinance Calculator

Compare your current mortgage to a refinance and find the break-even point and savings.

Use tool →

Rental Property ROI Calculator

Calculate cap rate, cash-on-cash return, and monthly cash flow on a rental property.

Use tool →

Rent vs Buy Calculator

Compare the lifetime cost of renting versus buying a home.

Use tool →

Debt Snowball & Avalanche Calculator

Build a payoff plan comparing the snowball and avalanche methods.

Use tool →

Student Loan Payoff Calculator

See your payoff time and interest saved with extra payments.

Use tool →

Debt-to-Income Ratio Calculator

Compute your DTI ratio to check loan eligibility.

Use tool →

Paycheck Calculator

Estimate take-home pay after federal, FICA, and state taxes, and convert between hourly, monthly, and annual salary.

Use tool →

Auto Loan Calculator

Calculate your monthly car payment with down payment, trade-in, sales tax, and APR — plus total interest.

Use tool →

Sales Tax / VAT / GST Calculator

Add or remove sales tax, VAT, or GST from any amount, with presets for common rates and GST slabs.

Use tool →

FD Calculator

Calculate fixed-deposit maturity value and interest with monthly, quarterly, or annual compounding.

Use tool →

PPF Calculator (India)

Project your India Public Provident Fund (PPF) maturity over 15 years from yearly contributions and the current rate.

Use tool →

Gratuity Calculator (India)

Estimate your India gratuity payout from last-drawn salary and years of service under the Payment of Gratuity Act, 1972.

Use tool →

HELOC Calculator

Find your available home-equity line of credit from your home value, loan-to-value limit, and mortgage balance.

Use tool →

Personal Loan Calculator

Calculate monthly payments, total interest, and APR on a personal loan, including any origination fee.

Use tool →

NPS Calculator (India)

Project your India National Pension System corpus, annuity, and lump sum at retirement.

Use tool →

EPF Calculator (India)

Estimate your India Employees’ Provident Fund balance at retirement from salary and contributions.

Use tool →

RD Calculator

Calculate recurring-deposit maturity value and interest from your monthly deposit and rate.

Use tool →

Profit Margin Calculator

Calculate profit margin, markup, and profit from your cost and revenue or selling price.

Use tool →

Break-Even Calculator

Find the units and revenue you must sell to break even from fixed costs, price, and variable cost.

Use tool →

Simple Interest Calculator

Calculate simple interest and the total amount from principal, rate, and time.

Use tool →