- TVM Solver (PV/FV/PMT/NPER/RATE)
Solve PV, FV, PMT, NPER, and RATE in one place for loans or investments.
- XIRR Calculator (Irregular Cash Flows) – Paste CSV
Calculate XIRR from irregular dated cash flows online. Paste CSV/TSV, choose day-count basis, tune initial guess, and review convergence warnings.
- XNPV Calculator (Dated NPV for Irregular Cash Flows)
Calculate XNPV for irregular dated cash flows online. Paste CSV/TSV rows, choose day count basis, and compare discounted vs undiscounted totals with base date instantly.
- Simple & Compound Interest, NPV & IRR Calculator
Compare simple and compound present/future values alongside cash-flow NPV and IRR.
- NPV Profile Calculator – Discount Rate Sensitivity & IRR
Generate an NPV profile by sweeping discount rates. Plot NPV vs rate, export tables, share links, and identify IRR candidates via sign changes.
- APR to APY (EAR) Calculator
Use this interest rate converter to switch between APR, APY/EAR, monthly, and daily rates, or run the reverse conversion to compare loans, cards, and savings.
- Interest Rate Calculator (RATE) — Solve APR from Payments
Solve interest rate from loan amount, payments, and term (Excel RATE equivalent).
- Loan calculator (monthly payment, interest, payoff)
Calculate monthly loan payment, total interest, and payoff timeline from principal, APR, and term.