Money math, made calm.
Free, fast calculators for SIPs, loans, tax and salary — built for India. No sign-up, no ads in your face, and nothing you type ever leaves your device.
Investment
SIP calculator
Future value of monthly investing — or the SIP you need for a goal.
SWP calculator
How long your corpus lasts with a monthly withdrawal.
Banking
Loan EMI calculator
EMI, total interest and a full repayment schedule.
Credit card payoff
The real cost of paying only the minimum due.
Tax & GST
Income tax calculator
Old vs new regime for FY 2026-27, with slab-wise breakup.
GST calculator
Add or remove GST, with CGST/SGST/IGST split.
Salary & utility
CTC to in-hand
See your real monthly salary from a CTC offer.
Inflation calculator
What your money will be worth — and what things will cost.
Why Paisa
Private by design
Every calculation runs in your browser. We don’t store or see your numbers.
Shows its working
Each calculator explains the formula and assumptions it uses.
Easy on the eyes
Calm colours with a light and dark theme. Tap the icon at the top to switch.