Free Online Finance Calculators

14 free tools — Mortgage, EMI, SIP, FD, PPF, GST, VAT, profit margin and more

Mortgage Calculator

Calculate mortgage payments. See monthly principal & interest, total cost, PMI threshold, and a 12-month amortization schedule.

Loan EMI Calculator

Calculate Equated Monthly Installment (EMI) for personal, car or home loans. Shows monthly payment, total interest and total payable.

SIP Calculator

Calculate Systematic Investment Plan returns. See invested amount, estimated returns and total maturity value with a yearly growth view.

FD Calculator

Calculate fixed deposit maturity. Compound interest with monthly, quarterly, half-yearly or yearly compounding.

PPF Calculator

Calculate Public Provident Fund maturity. Annual compounding with a year-wise schedule across the 15-year term.

GST Calculator

Add or remove GST from any price. Supports India GST slabs (5%, 12%, 18%, 28%) and shows CGST/SGST/IGST split.

VAT Calculator

Add or remove VAT from any price. Presets for UK 20% and common EU rates. Shows net, VAT amount and gross.

Sales Tax Calculator

Calculate US sales tax. Pick a state for the preset rate or enter your own. Shows subtotal, tax and total.

Salary to Hourly Converter

Convert annual salary to hourly, daily, weekly and monthly pay — or convert an hourly rate back to an annual salary.

Break Even Calculator

Find the break-even point: how many units you must sell to cover fixed and variable costs. Shows units, revenue and contribution margin.

Profit Margin Calculator

Calculate gross profit margin and markup percentage. Reverse mode: set a target margin and find the selling price.

Inflation Calculator

See what a past US dollar amount is worth today. Uses historical CPI to calculate purchasing power between any two years.

Stock Profit Calculator

Calculate stock trade profit, loss and percentage return. Includes commission, holding-period annualization and short selling.

Currency Converter

Convert an amount between world currencies using live reference exchange rates, with quick dropdowns for the most-used ISO 4217 codes and a swap button.

About Finance Tools

Finance calculators here cover the everyday money decisions where a quick, precise number actually matters: working out a mortgage payment before you make an offer, sizing a SIP to hit a goal, modelling an EMI before signing a loan agreement, splitting a GST or VAT amount on an invoice, or checking what last year's salary is worth in today's dollars. Every calculator runs entirely in your browser — the amounts you type never reach a server.

The mortgage calculator shows monthly P&I, full PITI with property tax / insurance / PMI, and a 30-year amortization schedule. The SIP and FD tools use the standard future-value formulas with selectable compounding. GST and VAT tools work in both directions — add tax on top of a net price, or extract tax from a tax-inclusive total — and the GST tool splits CGST / SGST / IGST for intra- vs inter-state supply. The US sales tax tool ships with state-level rates for all 50 states. The inflation calculator uses BLS CPI-U annual averages from 1913 onward.

These are general-purpose planning tools. For mortgage applications, business tax filings, retirement projections, or large investment decisions, verify the numbers with a qualified financial professional. The math here is correct — but real-world deals have fees, taxes and edge cases this site doesn't model.