10 powerful calculation modules. Multi-user. Secure. Save and revisit every calculation from any device.
Start for Free Sign InFull amortization schedules for mortgages, loans, leases. Solve for payment, rate, term, or principal.
Simple & compound interest. Fixed or variable rate. Multiple day-count conventions.
Track overdue payments and calculate accruing interest on arrears automatically.
Lump sum and annuity PV/FV. Solve for any variable with customizable compounding.
Compute effective annual return or IRR for irregular cash flows.
Convert between nominal and effective rates across any compounding frequency.
Adjust amounts for inflation or custom index rates with year-by-year breakdown.
Convert payments between frequencies using PV equivalence or simple ratio.
Calculate tax on net or extract tax from gross. Support multiple tax layers.
Days between dates using multiple conventions. Add or subtract periods precisely.