Finance Calculators
Financial calculators for mortgages, loans, and bonds.
Borrowing money — whether for a home, a car, or another major purchase — comes with numbers that are easy to underestimate: interest compounding over years, fees layered on top of a loan, or how a small rate change shifts a monthly payment. This category helps you see the real cost of a financial decision before you commit to it, expressed in plain numbers rather than fine print.
Mortgage Calculator
Estimate your monthly mortgage payment including principal, interest, property taxes, home insurance, PMI, and HOA fees, with a full amortization schedule.
Loan Calculator
Calculate payments for amortized loans, deferred lump-sum loans, and bonds, with configurable compounding and payment frequency.
Auto Loan Calculator
Free car loan calculator: estimate your monthly vehicle payment, or find the car price you can afford, with sales tax, fees, trade-in and an amortization schedule.
Australia Income Tax Calculator
Work out your Australian income tax and take-home pay for 2026–27 or 2025–26, with Medicare levy, low income tax offset, HELP repayments and super.
Amortization Schedule
Build a full loan amortization schedule with payment dates, monthly or bi-weekly payments, extra payments, interest saved, and a CSV download.
Student Loan Calculator
Work out your student loan payment, payoff time and total interest, see how extra payments help, or project a UK Plan 1, 2, 4, 5 or postgraduate loan.
Debt-to-Income Calculator
Calculate your front-end and back-end debt-to-income (DTI) ratio from your monthly income and debt payments.
Debt Snowball vs. Avalanche Calculator
Compare the debt snowball and debt avalanche payoff strategies across your debts to see which pays off faster and costs less interest.
Rule of 72 Calculator
Estimate how long it takes an investment to double using the Rule of 72, alongside the exact logarithmic calculation.
Simple Interest Calculator
Calculate simple interest and total amount owed or earned on a principal, given a rate and time period in years, months, or days.
Compound Interest Calculator
Compute compound interest with monthly contributions. See the compound interest formula and your balance and accumulated interest year by year.
ROI Calculator
Calculate return on investment (ROI) and annualized ROI from the amount invested, the amount returned and the investment length or dates.
Savings Goal Calculator
Find out how much you need to save each month to reach a savings goal by a target date, accounting for interest earned along the way.
UK Statutory Redundancy Pay Calculator
Calculate UK statutory redundancy pay using the age-banded formula from the Employment Rights Act 1996, with separate Great Britain and Northern Ireland weekly pay caps, a tax-free/taxable breakdown, and your statutory notice period.
UK Holiday Entitlement Calculator
Calculate UK statutory holiday entitlement under the Working Time Regulations 1998, pro-rated for a partial year and tracked as accrued-to-date, with an optional bank-holiday and hours-based breakdown.
UK Statutory Sick Pay (SSP) Calculator
Calculate UK Statutory Sick Pay under the post-reform rules in force from 6 April 2026, using the lower of the statutory flat rate or 80% of average weekly earnings, with no earnings threshold and no waiting days.
Germany Income Tax Calculator
Calculate your German net salary from gross pay using the official 2026 income tax tariff (§32a EStG), plus pension, health, care, and unemployment insurance, the solidarity surcharge, and church tax.
UK Salary Calculator
Calculate your UK take-home pay from gross salary using official 2026/27 PAYE income tax bands (England, Wales, Scotland, Northern Ireland), employee and employer National Insurance, workplace pension treatment, and student loan repayments.
US Income Tax Calculator
Calculate your US take-home pay from gross salary using official 2026 and 2025 IRS federal tax brackets, Social Security and Medicare (FICA) taxes, standard or itemized deductions, and pre-tax 401(k) and HSA contributions.