Finance & business tools

19 free calculators for GST, income tax, interest, SIP, FD, RD, CAGR, ROI, currency conversion, salary and CTC, loan affordability, profit margin, markup, break-even and pricing.

Note: All calculations run in your browser — nothing you enter is uploaded. Tax rates follow the Indian income-tax and GST rules and may change with each budget, so always re-check the latest slabs before filing.

Tax & invoicing

GST Calculator

Add or remove GST, split into CGST/SGST/IGST.

Income Tax Calculator

New vs old regime, cess and deductions.

GST Invoice Calculator

Line items with CGST, SGST or IGST totals.

Interest & growth

Simple Interest Calculator

Interest and total for P, R and T.

Compound Interest Calculator

Growth with annual to monthly compounding.

CAGR Calculator

Compound annual growth rate.

ROI Calculator

Return on investment, net profit, annualised.

Investment & savings

SIP Calculator

Future value of a monthly SIP.

Fixed Deposit Calculator

FD maturity value and interest.

Recurring Deposit Calculator

RD maturity from a monthly deposit.

Savings Goal Calculator

Monthly savings needed to hit a goal.

Inflation Calculator

Future and past value of money.

Loans & salary

Loan Affordability Calculator

Maximum loan from income and EMIs.

Salary & CTC Calculator

Take-home pay from a CTC.

Currency Converter

Live rates for 160+ currencies.

Pricing & profit

Profit Margin Calculator

Margin, markup and profit from cost and price.

Markup Calculator

Selling price from cost and markup.

Break-even Calculator

Units and revenue to break even.

Business Pricing Calculator

Cost, margin, tax and shipping to a price.