Every number you need, before you sign anything.
FinToolkit turns the math behind your next money decision into a straight answer — EMIs, SIPs, taxes and retirement, worked out in plain rupees.
What are you planning today?
Popular calculators
From "what if?" to "here's the plan."
No jargon, no false precision. Every calculator shows its formula, its assumptions, and a plain-language note on where the numbers are approximate — so you know exactly what you're looking at.
Why FinToolkitSee the logic
Every result comes with the underlying formula and a note on its assumptions — never a black box.
Type or slide, your call
Enter exact numbers with the keyboard, or drag a slider to explore scenarios — switch anytime.
Your numbers stay yours
Every calculation runs in your browser. Nothing you type is stored or sent anywhere.
There's a calculator for that.
Clarity should include the fine print.
A few things we think every financial tool should say out loud.
Yes. All 60 FinToolkit calculators are free, with no sign-up, for personal education and planning.
No. Every calculation runs entirely in your browser — nothing you type is sent to a server or stored.
No. They're educational estimates to help you think through a decision. For anything with real money at stake, verify with your bank, advisor or a tax professional.
If you're borrowing, start with EMI. If you're investing, start with SIP. If tax season is near, the Income Tax calculator compares both regimes for you.