Finance calculators

Loans, investing, and the math behind everyday money decisions.

Run the numbers on mortgages, loans, credit cards, investments, and retirement — with transparent formulas and editable assumptions.

Calculators
27
Topics: All Mortgage (23) Loans (11) Investing (65) Retirement (8) Budgeting (27)
27 results
Finance / Budgeting

Lifetime Earnings Calculator

Project your cumulative lifetime earnings from your current annual salary, an expected annual raise, and the number of y...

basic
6,682 4.7 1 min
Finance / Budgeting

Income Tax Calculator

Estimate federal-style income tax using a simplified progressive bracket system, and see your effective rate alongside t...

Featured basic
3,921 4.8 1 min
Finance / Budgeting

Overtime Pay Calculator

Compute weekly gross pay including overtime pay above 40 hours/week (paid at 1.5× by default), and double-time hours abo...

basic
25,001 4.5 1 min
Finance / Budgeting

Sales Tax Calculator

Quickly work out sales tax on a purchase, or back out the tax from a tax-inclusive total.

basic
17,296 4.2 1 min
Finance / Budgeting

Budget Calculator

Split monthly take-home pay into needs, wants, and savings using the 50/30/20 rule.

basic
14,776 4.9 1 min
Finance / Budgeting

Salary Frequency Converter

Convert a single pay rate (hourly, weekly, biweekly, monthly, or annual) into all the others, using the chosen number of...

basic
15,382 4.1 1 min
Finance / Budgeting

VAT / GST Calculator

Add VAT/GST to a net price, or back the tax out of a tax-inclusive price, with any rate from 0 to 30%.

basic
2,267 4.7 1 min
Finance / Budgeting

Break-Even Calculator

Find the number of units you need to sell to cover your fixed costs, given the price per unit and the variable cost per...

basic
8,592 3.8 1 min
Finance / Budgeting

Opportunity Cost Calculator

Compute the future value forgone by spending an amount today rather than investing it at a given annual return for a cho...

basic
1,530 4.0 1 min
Finance / Budgeting

Profit Margin Calculator

Calculate the gross margin of a sale and find the selling price that hits a target margin given the cost of goods.

basic
14,881 4.5 1 min
Finance / Budgeting

Salary Raise Calculator

Translate a percentage raise into a new salary and a per-paycheck dollar amount, or back out the percentage change betwe...

basic
19,188 3.9 1 min
Finance / Budgeting

FICA Payroll Tax Calculator

Compute the FICA payroll tax owed by a US employee on annual gross wages: 6.2% Social Security up to the 2024 wage base...

basic
16,179 4.0 1 min
Finance / Budgeting

Net Worth Calculator

Add up assets and subtract liabilities for a clear one-number snapshot of your financial position.

basic
12,899 4.5 1 min
Finance / Budgeting

Paycheck Calculator

Estimate take-home pay from gross salary after simplified federal tax, FICA, and voluntary deductions.

basic
744 4.9 1 min
Finance / Budgeting

Monthly Water Bill Estimator

Estimate your monthly residential water bill from the number of gallons used per day, the per-thousand-gallons unit rate...

basic
18,798 4.4 1 min
Finance / Budgeting

Break-Even Units Calculator

Compute the number of units a business must sell to break even, given fixed costs, the per-unit selling price, and per-u...

basic
21,038 4.3 1 min
Finance / Budgeting

Credit Utilization Calculator

Compute your overall credit utilization ratio — total credit card balances divided by total credit limits — and compare...

basic
17,171 4.9 1 min