Financial calculators
Investing, mortgage, tax and FIRE tools designed for Spain.
27 calculators
- Investing & compound interest
Compound interest
Project your investment growth with regular contributions.
Open → - FIRE & planning
Financial independence (FIRE)
Work out your FIRE number and how many years until you can live off your assets.
Open → - FIRE & planning
FIRE Monte Carlo simulator
Probability of reaching FIRE and of your money lasting through retirement, across thousands of scenarios.
Open → - Mortgage & housing
Fixed-rate mortgage
Monthly payment, total interest and amortization schedule.
Open → - Investing & compound interest
Simple interest
Basic simple-interest calculation.
Open → - Investing & compound interest
Average down (DCA)
Weighted average price of your purchases.
Open → - Investing & compound interest
Stock dividends
Dividend income and withholding.
Open → - Investing & compound interest
ROI
Return on investment.
Open → - Investing & compound interest
Staking interest (crypto)
Yield from crypto staking.
Open → - FIRE & planning
Retirement savings
How much to save for retirement.
Open → - FIRE & planning
Monthly budget
Organize income and expenses (50/30/20 rule).
Open → - Mortgage & housing
How much mortgage can I afford?
Maximum amount based on your income.
Open → - Mortgage & housing
Buy vs rent
Buying or renting: a comparison.
Open → - Mortgage & housing
Early repayment
Reduce payment or term by repaying early.
Open → - Mortgage & housing
Rental yield
Gross and net yield of a property.
Open → - Mortgage & housing
Holiday rental yield
Yield of a holiday let.
Open → - Savings & deposits
Fixed-term deposit
Interest on a bank deposit.
Open → - Savings & deposits
High-yield account
Return of a high-yield savings account.
Open → - Taxes (Spain)
Gift tax
Estimate by region and kinship.
Open → - Taxes (Spain)
Wealth tax
Estimate by wealth and region.
Open → - Taxes (Spain)
Pension plan tax relief
Tax savings from pension contributions.
Open → - Taxes (Spain)
Gross to net salary
From gross to net monthly salary.
Open → - Taxes (Spain)
Payroll income tax
Income-tax withholding on payroll.
Open → - Taxes (Spain)
Self-employed income tax
Income tax for the self-employed.
Open → - Debt
Credit card interest
Cost of revolving debt.
Open → - Tools
Inflation (CPI)
Purchasing power over time.
Open → - Tools
Financial health test
A quiz about your finances.
Open →