Mortgage Calculator
Use our mortgage calculator to estimate monthly payments, compare loan options, and plan your budget. Get accurate, quick calculations for any mortgage type.
Calculators
Calculators by Koody is a collection of beautifully designed personal finance calculators for the intelligent budgeter, saver, and investor.
Loans and Mortgages Trading and Investing Savings Budgeting TaxesLoans and Mortgages
Interest-Only Mortgage Calculator
Calculate your interest-only mortgage payments with our free online calculator. Understand the risks and benefits. Get detailed breakdowns and print results.
Loan Calculator
Calculate your loan repayments with our personal loan calculator. Enter loan amount, term, and interest rate to get instant estimates for monthly payments and costs.
Amortization Calculator
Use our free amortization calculator to estimate monthly loan payments, view detailed repayment schedules, and understand principal and interest breakdowns.
Trading and Investing
Compound Interest Calculator
Our Compound Interest Calculator is designed for people looking to understand how their savings, investments, and debt obligations might grow over time.
Forex Compounding Calculator
Our Forex Compounding Calculator is designed to help you forecast and visualise how the gains or losses on your forex trades could compound over a period of time.
Savings
ISA Calculator
Use our ISA calculator to project the growth of your savings with compounding interest. Effortlessly estimate future balances by inputting your starting balance, contributions, and interest rate.
Savings Calculator
Our Savings Calculator is designed for people who wish to understand, calculate, and visualise how their savings might grow over time.
Budgeting
50/30/20 Budget Calculator
Use our 50/30/20 budget calculator to manage your finances. Divide your income into needs, wants, and savings for a balanced financial plan.
Emergency Fund Calculator
Use our emergency fund calculator to determine the savings you need to cover three to six months of expenses. Start building your financial safety net today!
Net Worth Calculator
Calculate your net worth by entering your assets and liabilities. Use our net worth calculator to get a clear picture of your financial health.
Taxes
VAT Calculator
Use our online VAT Calculator to effortlessly add or reverse VAT at the standard, reduced, or custom rates for any purchase in the UK.