Toolminex

Free Finance Tools

Free financial calculators to help you plan loans, investments, and everyday spending. Calculate EMI for any loan, compute GST, find percentage values, see how compound interest grows your money, and calculate discounts instantly.

26 free tools, no signup required

Percentage Calculator

Calculate percentages, increase or decrease values by a percentage. Perfect for calculating discounts, tips, tax, or any percentage-based calculations. Fast, secure, and runs entirely in your browser.

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Find Percentage Calculator

Calculate what percentage one number is of another. Enter any two numbers to instantly find the percentage. Free, instant, runs in your browser.

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Percentage Increase Calculator

Calculate the new value after increasing a number by a percentage. Perfect for price increases, salary raises, and growth calculations. Free, instant, runs in your browser.

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Percentage Decrease Calculator

Calculate the new value after decreasing a number by a percentage. Perfect for discounts, sales, and price reductions. Free, instant, runs in your browser.

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Percentage Difference Calculator

Calculate the percentage change between two values. Find how much a value increased or decreased as a percentage. Free, instant, runs in your browser.

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GST Calculator

Calculate GST for Indian products and services. Supports the current GST slabs: 0%, 5%, 18% and 40%. Add GST to base price or exclude GST from total price. Fast, secure, and runs entirely in your browser.

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Add GST Calculator

Add GST to a base price to get the total amount including tax. Supports all Indian GST slabs. Free, instant, runs in your browser.

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Exclude GST Calculator

Remove GST from a total price to find the base amount before tax. Supports all Indian GST slabs. Free, instant, runs in your browser.

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Discount Calculator

Calculate the final price after discount. Enter the original price and discount percentage to see how much you'll save and what you'll pay. Perfect for shopping sales, promotions, and offers. Fast, secure, and runs entirely in your browser.

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EMI Calculator

Calculate your monthly EMI for home loans, car loans, and personal loans. See total interest payable and full amortization schedule.

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SIP Calculator

Calculate returns on your SIP (Systematic Investment Plan) investments. See maturity amount, total invested, and wealth gained over time. Free, instant, runs in your browser.

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Loan & Mortgage Calculator

Calculate monthly payments, total interest, and amortization schedule for any loan or mortgage. Supports home loans, car loans, and personal loans. Free, instant, runs in your browser.

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Home Loan Calculator

Calculate your home loan or mortgage EMI, total interest, and amortization schedule. Pre-filled with typical home loan rates. Free, instant, runs in your browser.

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Car Loan Calculator

Calculate your car loan EMI, total interest, and repayment schedule. Pre-filled with typical auto loan rates. Free, instant, runs in your browser.

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Personal Loan Calculator

Calculate your personal loan EMI, total interest, and repayment schedule. Pre-filled with typical personal loan rates. Free, instant, runs in your browser.

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Business Loan Calculator

Calculate your business or MSME loan EMI, total interest, and amortization schedule. Free, instant, runs in your browser.

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Invoice Generator

Create professional invoices instantly. Add items, taxes, and discounts, then download as PDF. Free, no signup, runs entirely in your browser.

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Compound Interest Calculator

Calculate compound interest on your investments. See how your money grows over time with different compounding frequencies.

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Investment Growth Calculator

Calculate SIP and lump sum investment growth with year-by-year projections. Factor in inflation and plan your target corpus. Free, runs in your browser.

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Rental Income Growth Calculator

Project rental income growth with annual rent hikes, vacancy rates, and expenses. See net yield, cash flow, and ROI year by year. Free, runs in your browser.

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Simple Interest Calculator

Calculate simple interest on loans or investments. Instantly find interest amount, total amount, and rate of return.

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Currency Converter

Convert between 160+ world currencies with live exchange rates. Fast, accurate, and free, no signup required.

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PPF Calculator

Calculate your Public Provident Fund (PPF) maturity amount, total interest earned, and year-by-year growth. Free, instant, runs in your browser.

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FD Calculator

Calculate Fixed Deposit maturity amount and interest earned. Supports monthly, quarterly, half-yearly, and annual compounding. Free, instant, runs in your browser.

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ROI Calculator

Calculate return on investment instantly. Enter your investment cost and returns to get ROI percentage, net profit, and payback period. Free, no signup.

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Salary to Hourly Converter

Convert annual salary to hourly, daily, weekly, and monthly pay. Works in reverse too, enter hourly rate to get annual salary. Free, instant, runs in your browser.

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Which calculator answers your question?

Borrowing

The EMI Calculator gives the monthly payment for one loan, with an amortisation table showing how much of each payment is interest. On a ₹30 lakh, 20-year home loan at 8.5%, the EMI is about ₹26,035 and roughly 81% of the first year's payments go to interest. The Loan Calculator pages cover home, car, personal and business loans, each with its own starting rate you can change.

EMI Calculator →Loan Calculator →

Saving and investing

Use the SIP Calculator for a fixed monthly amount, the Compound Interest calculator for a lump sum, and the FD and PPF calculators when the rate is fixed by the bank or government. Projections assume a steady return every year, which markets never deliver; treat equity figures as a range, not a promise.

SIP Calculator →PPF Calculator →

Tax and billing

The GST Calculator adds or removes GST at the standard slabs and splits CGST and SGST. If you're billing a client, the Invoice Generator builds a GST invoice you can save as a PDF from the browser's print dialog, no account needed.

GST Calculator →Invoice Generator →

These are estimates

None of these calculators know your tax bracket, processing fees or the exact way your bank rounds. They're for comparing options before you talk to a lender or adviser, not for final figures.

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