Money & Work

AI Token Cost Calculator

Estimate API budgets for GPT, Claude and Gemini from token usage.

Airbnb ROI Analyzer

Cash flow, cap rate and profitability scenarios for short-term rentals.

Auto Loan Calculator

Monthly payment, total interest and the full amortization table.

Break-Even Calculator

Units you must sell to cover costs, from fixed costs, variable cost and price.

CAGR Calculator

Compound annual growth rate between a starting and ending value.

Compound Interest Calculator

Project investment growth with compounding frequency and recurring contributions.

Compound Interest Simulator

An animated chart of your savings growing year by year, split into contributions and interest.

Debt Payoff Planner

Plan and animate paying off your debts with the snowball or avalanche method.

Debt-to-Income Calculator

Work out the two ratios lenders actually look at, and see how much debt you would need to clear to get inside the limits.

Discount Calculator

Final sale price and savings, with optional stacked discounts.

Future Value Calculator

What a single lump sum grows to over time at a given rate.

Inflation Calculator

Convert a US dollar amount from a past year into today's money, using the official CPI-U index.

IRR Calculator

Internal rate of return from an initial investment and a series of cash flows.

Live Salary Counter

Watch your pay tick up in real time — how much you earn per second, hour and day.

Loan Interest Rate Calculator

Find the interest rate from a loan amount, payment and term.

Margin Calculator

Sale price from a target margin, or margin and markup from cost and price.

Mortgage Calculator

Monthly payment, animated amortization chart, 28/36 affordability check and extra payment simulator.

Net Worth Calculator

Your net worth from total assets minus total liabilities.

Opportunity Cost of Military Spending

Translate a public spending figure into schools, hospitals, teachers, homes or scholarships — with the formula and sources shown.

Price Change Calculator

Percentage change between two prices, or apply an increase or discount to a price.

Refinance Calculator

Compare your current loan with a refinance: new payment, savings, break-even.

Rental Yield Calculator

Gross and net rental yield from price, rent and annual costs.

Retirement Calculator

Project your retirement pot from savings, monthly contributions and return.

Sales Tax & VAT Calculator

Add or remove sales tax, VAT, GST or IVA with an editable rate.

Savings Goal Calculator

How much to save each month to reach a target by a set date.

Savings Goal Date

The exact month and year you'll reach your savings goal, animated to the finish line.

Split the Bill by Dish

Split a restaurant bill by what each person ate — tax, tip and shared plates, with a clear total per person.

Subscription Cost Tracker

Add your subscriptions and see the real monthly and yearly total, with a bar for each.

Tip Calculator

Tip amount and total, with per-person bill splitting.

WACC Calculator

Work out the weighted average cost of capital, and see how much of it each side contributes once the tax shield is applied.

Freelance Hourly Rate Calculator

The hourly rate to charge based on your target income and the hours you can really bill.

Freelance Rate to Salary Calculator

Compare a freelance hourly or day rate to an employee salary — both ways — accounting for unpaid time, self-employment costs and benefits.

Pallet Calculator

How many cases fit on a pallet and how many pallets fit in a truck or container, from your box and pallet sizes.

Salary Converter

Convert a wage between hourly, daily, weekly, monthly and annual.

Severance Pay Calculator

Estimate severance from salary, years of service and an editable factor.

Take-Home Pay Calculator

Net pay from gross salary with an editable deduction rate.

Work Hours Calculator

Hours worked and overtime pay from your start, end and break.

Work Tenure Calculator

Your exact time employed in years, months and days, plus estimated accrued vacation.