Compound Interest Calculator
Calculate the compound interest effect on your wealth. Visualize exponential growth, compare with simple interest, and understand the power of compound interest.
The finance calculators help with tax questions, loan planning and commercial arithmetic. Every result is shown with its formula and worked solution, so the numbers stay transparent and easy to check.
Calculators and tools in the Investments & Wealth section.
Calculate the compound interest effect on your wealth. Visualize exponential growth, compare with simple interest, and understand the power of compound interest.
Read compound and present value factors by rate and year, or compare capital growth with optional savings payments.
Calculate credit interest, overdraft interest, excess overdraft interest, and account fees for your current account — free with calculation steps and day-exact precision.
Calculate early-withdrawal interest with standard assumptions or your contractual rate, remaining days and 360/365 basis.
Calculate APR for known loan payments under Section 16 PAngV, including discount and mandatory costs; simplified IRR remains available.
Calculate your expected ETF wealth, the required savings rate, term or return – including the TER cost effect, partial exemption, capital gains tax and inflation-adjusted purchasing power.
Calculate fixed deposit interest with annual payout, reinvestment, or maturity payment. With capital gains tax and comparison of interest modes.
German Vorabpauschale model using a year-specific reference rate, appreciation cap, distributions and partial exemption.
Simplified German Abgeltungsteuer model for positive investment income using the entered saver allowance, solidarity surcharge and optional church-tax interaction.
Compare Germany's subsidised retirement investment account available from 2027 with a regular ETF portfolio using the same personal outlay, including allowances, taxes, costs and payout.
Calculate the purchasing power loss due to inflation. How much will your money be worth in the future? Real value, future amount, and progress table — with calculation steps and chart.
Calculate final capital, initial capital, interest rate, or duration with the interest calculator. With compound interest, sub-annual compounding, tax calculation, and step-by-step solution.
Calculate overnight deposit interest with promotional rates, interest crediting intervals, and capital gains tax. With calculation steps and progress table.
Calculate the annual return (CAGR) of your investment. Enter start value, end value, and holding period — with calculation steps, chart, and progress table.
Calculate savings book interest with optional savings rate and capital gains tax. Annual interest crediting per bank convention with progress table.
Calculate final capital, initial capital, savings rate, dynamic increase, interest rate, or duration with the savings calculator. With rate dynamics, pre-/post-payment and capital gains tax.
Calculate how your savings plan grows. Determine final capital from savings rate or calculate the required savings rate for a goal — with chart and progress table.
Calculate how long your capital lasts, how much you can withdraw or how much starting capital is needed – period-accurate, in advance/in arrears, with remaining capital, inflation, additional income and a Monte Carlo simulation.
Calculators and tools in the Loans & Financing section.
Calculate your amortization schedule with monthly payment, total interest, and remaining balance. Simulate annuity loans with prepayments — free and instant.
Compare buying a property with renting over the long term: net-worth development, total spending and the break-even year, transparently using shared purchase-cost and annuity logic.
Calculate car financing as a classic instalment loan or a balloon financing with a final payment: monthly payment, interest and amortisation schedule.
Assess a leasing offer or estimate a leasing rate in a model: leasing factor, total costs and effective monthly burden - clearly separated from financing.
Calculate the monthly loan payment, maximum loan amount, or duration of your loan. With amortization schedule, interest cost overview, and full calculation steps.
Model a German property financing from capital need, equity, borrowing rate and initial repayment or desired payment, including balance and schedule.
Plan transfer tax, buyer's broker fee, notary, land register and other costs together with equity and financing needs.
Calculate the yield of a let property: gross and net rental yield, price-to-rent ratio, cash flow before and after financing, return on equity and total return with value development.
Calculators and tools in the Taxes section.
Calculate the German VAT, sales tax, gross, net, and tax amount with 19 percent or 7 percent.
Calculate the annual German vehicle tax (Kfz-Steuer) for cars from engine displacement, CO2 emissions and first registration, or for electric vehicles based on weight and exemption.
Calculate the tax base and transfer tax using the centrally maintained rates for all German federal states and a visible reference date.
Calculators and tools in the Business Finance section.
Calculate cash discount amount, payment after discount, original invoice amount, or discount percentage with calculation steps.
Calculators and tools in the Banking & Payments section.
Convert amounts between the euro and 30 world currencies using the daily euro reference rates of the European Central Bank - with a visible rate date and source, without fees or surcharges.
Calculate day counts between two dates using ACT/ACT, ACT/360, ACT/365, 30/360, and 30E/360. Compare all methods at a glance — with optional interest amount calculation.
Check an IBAN's length, country format and check digits (ISO 13616, Modulo 97) locally in your browser.
Calculate late payment interest per Section 288 BGB for consumers and businesses. Automatic period splitting upon base rate changes, with full calculation steps and sub-period table.