NichesTools

Everyday Finance calculators

Interest, tips, leases and savings — the everyday math. 5 tools.

Mortgage Amortization Planner

A precise calculation of the amount you will pay each month on a…

Retirement Savings Goal Calculator

This retirement savings goal calculator determines how much you need to…

Service-Level Tip Calculator

The Service‑Level Tip Calculator is a precise arithmetic tool that…

Simple vs Compound Interest Comparison Tool

This calculator compares the earnings you would receive when investing…

Vehicle Lease Payment Calculator

Transforms the raw numbers that appear on a dealership’s contract—MSRP…