Free Financial Calculators
Quick, private calculators for everyday money math — no sign-up, no data leaves your device.
Every calculation runs entirely in your browser — nothing you type is ever sent anywhere.
SIP Calculator
Estimate what a monthly mutual fund SIP could grow to, with a growth chart.
GST Calculator
Add or remove GST instantly for any slab, with a CGST/SGST or IGST split.
EMI Calculator
Calculate your monthly EMI for a home, car, or personal loan, with the full amortization schedule.
Free calculators, no sign-up
Each calculator on this page runs entirely as JavaScript in your browser — there's no account to create, no daily limit, and nothing you type is sent to a server. That matters for financial numbers especially: your income, loan amount, or investment plans stay on your own device the whole time, the same principle behind every tool on PDFForYou.
These cover the day-to-day money math that usually means opening a spreadsheet or hunting down a bank's calculator page: working out what a monthly SIP could realistically grow into over several years, checking whether a quoted price already includes GST or still needs it added, and comparing what a loan actually costs month to month before signing up for it. None of these calculations are complicated on their own, but getting them right by hand — especially the compounding math behind SIP returns, or a reducing-balance EMI schedule — is easy to get subtly wrong, which is the whole reason a dedicated calculator is worth using over a rough mental estimate.
If you're filing rent receipts for an HRA declaration or need a proper invoice for a client, those live as their own dedicated tools rather than calculators — see Rent Receipt Generator and Invoice Generator, linked below.