When to use which
Use the XIRR calculator to measure a return you have already earned from several dated investments. Use the SIP calculator to project what a regular investment might become at an assumed return. Use the EMI calculator to see what a loan costs each month and in total.
Want to go further? SampattiTrack tracks real SIPs, loans and cards from your own transactions, privately on your iPhone. Learn the ideas first in What Is XIRR? or XIRR vs CAGR.
These calculators give estimates for learning and planning. They are not investment, tax, legal or financial advice.