24 Calk24

Finance Calculators

Loans, interest rates, compound interest, mortgage financing, amortisation plans, inflation and savings calculators for personal finance in Germany.

Consumer Loan Calculator

Calculate monthly payments, total costs and amortization schedule for your loan. With interest rate, term and extra payments.

Open calculator

Interest & Compound Interest Calculator 2026 — Free Online

Calculate compound interest with the Rule of 72: capital doubles in 14 years at 5% p.a. Add monthly savings, get full amortization. Free, no registration.

Open calculator

Home Purchase Financing Calculator

Calculate your mortgage with repayment, fixed-rate period and extra payments. Including amortization schedule and remaining balance.

Open calculator

Compound Interest Calculator

Calculate the compound interest effect over any period. See how your wealth grows exponentially. Free with amortization schedule, interest comparison, examples.

Open calculator

Savings Calculator

Calculate how regular savings develop over time. With interest and compound interest. Online calculator with current 2026 market rates and clear breakdown.

Open calculator

ETF Savings Plan Calculator

Calculate the performance of your ETF savings plan. With returns, costs and taxes. Free with amortization schedule, interest comparison, examples for 2026.

Open calculator

Return Calculator

Calculate the actual return on your investment. With costs, taxes and inflation. Online calculator with current 2026 market rates and clear breakdown.

Open calculator

Amortization Calculator

Create a detailed amortization schedule for your loan. With extra payments and remaining balance. Online calculator with current 2026 market rates and clear.

Open calculator

Mortgage Calculator

Calculate your mortgage for property purchase. With interest rate, repayment and monthly installment. Free with amortization schedule, interest comparison,.

Open calculator

Loan Conditions Calculator

Calculate conditions for your loan. Monthly payment, total costs and effective interest rate. Online calculator with current 2026 market rates and clear.

Open calculator

Installment Loan Calculator

Calculate payments and costs for your installment loan. With effective annual interest rate and total burden. Free with amortization schedule, interest.

Open calculator

Discount Calculator

Calculate the final price after discount or the percentage price reduction. Online calculator with current 2026 market rates and clear breakdown.

Open calculator

Household Budget Calculator

Create an overview of your income and expenses. Find savings potential in your household. Free with amortization schedule, interest comparison, examples for.

Open calculator

Budget Calculator

Plan your monthly budget using the 50-30-20 rule or custom categories. Online calculator with current 2026 market rates and clear breakdown.

Open calculator

Fund Calculator

Compare fund performance. With front-end load, management fee and returns. Online calculator with current 2026 market rates and clear breakdown.

Open calculator

Overnight Deposit Calculator

Calculate the interest on your overnight deposit. With current interest rate and compound interest effect. Free with amortization schedule, interest.

Open calculator

Fixed Deposit Calculator

Calculate the return on your fixed deposit. Compare terms and interest rates. Online calculator with current 2026 market rates and clear breakdown.

Open calculator

Withdrawal Plan Calculator

Plan regular withdrawals from your assets. Calculate how long your capital will last. Free with amortization schedule, interest comparison, examples for 2026.

Open calculator

Inflation Calculator Germany 2026 — Purchasing Power Loss

Calculate purchasing power loss due to inflation. German CPI 2026: ~2.3%. Rule: 2% inflation = 18% loss over 10 years. Compare past and future values.

Open calculator

Stock Calculator

Calculate profit or loss on stock transactions. With purchase and selling price, fees and taxes. Online calculator with current 2026 market rates and clear.

Open calculator

Retirement Provision Calculator

Plan your private retirement provision. Calculate the required savings rate for your desired income in retirement. Free with amortization schedule, interest.

Open calculator

Riester Pension Calculator 2026 — Bonus 175 € + 300 €/Child

Calculate Riester subsidy and minimum contribution: 175 € basic bonus + 300 € per child (born after 2008). Min 4% of gross pay. Tax benefit included.

Open calculator

Building Savings Calculator

Calculate your building savings contract. With savings amount, savings phase, loan interest and repayment. Free with amortization schedule, interest.

Open calculator

Investment Property Calculator

Check the profitability of a property as investment. With rental yield, tax effects and value appreciation. Online calculator with current 2026 market rates.

Open calculator

Goal Savings Calculator

Calculate the monthly savings rate to reach your savings goal. With term and interest rate. Free with amortization schedule, interest comparison, examples.

Open calculator

Annuity Calculator

Calculate the annuity of your loan. Equal installments with interest and principal portions. Free with amortization schedule, interest comparison, examples.

Open calculator

Leasing Calculator

Calculate the monthly leasing rate and total costs. Compare leasing with buying. Online calculator with current 2026 market rates and clear breakdown.

Open calculator

Debt Restructuring Calculator

Check whether refinancing your loan is worthwhile. Compare old and new conditions. Online calculator with current 2026 market rates and clear breakdown.

Open calculator

Early Repayment Penalty Calculator

Calculate the early repayment penalty for premature loan repayment. Free with amortization schedule, interest comparison, examples for 2026.

Open calculator

Follow-up Financing Calculator

Plan the follow-up financing for your property. Compare prolongation and refinancing. Free with amortization schedule, interest comparison, examples for 2026.

Open calculator

Auto Loan Calculator

Calculate the financing for your desired vehicle. Monthly payment, interest and total costs. Online calculator with current 2026 market rates and clear.

Open calculator

Overdraft Calculator

Calculate the costs of your overdraft facility. See how expensive overdrawing your account is. Free with amortization schedule, interest comparison, examples.

Open calculator

Cash Discount Calculator

Calculate whether cash discount is worthwhile for you. Compare cash discount advantage with payment term. Free with amortization schedule, interest comparison,.

Open calculator

Margin Calculator

Calculate trade margin, profit margin and markup for your products or services. Online calculator with current 2026 market rates and clear breakdown.

Open calculator

PayPal Fee Calculator

Calculate PayPal transaction fees. For personal and business payments domestically and internationally. Free with amortization schedule, interest comparison,.

Open calculator

IBAN Calculator

Calculate and verify IBAN numbers. Convert account number and bank code to IBAN. Online calculator with current 2026 market rates and clear breakdown.

Open calculator

Default Interest Calculator

Calculate default interest on late payments. According to BGB for consumers and businesses. Online calculator with current 2026 market rates and clear.

Open calculator

Rental Deposit Calculator

Calculate the rental deposit and potential interest income. Maximum three months' net cold rent. Free with amortization schedule, interest comparison, examples.

Open calculator

ROI Calculator

Calculate the return on investment for your business investments and projects. Online calculator with current 2026 market rates and clear breakdown.

Open calculator

Contribution Margin Calculator

Calculate the contribution margin of your products. For cost and price calculations. Free with amortization schedule, interest comparison, examples for 2026.

Open calculator

Price Increase Calculator — % Rise, Rent Increase, Tariff

Calculate price increase in percent: old price to new price or % difference. For rent increase (20% cap), fees, tariffs. Free and instant calculation.

Open calculator

Insurance Calculator

Compare insurance premiums and find the optimal insurance coverage. Online calculator with current 2026 market rates and clear breakdown.

Open calculator

Life Insurance Calculator

Calculate the surrender value or maturity benefit of your life insurance. Free with amortization schedule, interest comparison, examples for 2026.

Open calculator

Bond Calculator

Calculate the yield of bonds. With coupon, remaining maturity and current price. Free with amortization schedule, interest comparison, examples for 2026.

Open calculator

Rebalancing Calculator

Optimize your portfolio composition. Calculate the required reallocation for your target allocation. Online calculator with current 2026 market rates and clear.

Open calculator

Forward Loan Calculator

Lock in current interest rates for the future. Calculate conditions for your forward loan. Online calculator with current 2026 market rates and clear breakdown.

Open calculator

Cash Counter — Count Coins and Bills (Till Reconciliation)

Count cash quickly: sum coins (1¢ to 2€) and notes (5€ to 500€) automatically. Perfect for till reconciliation, daily takings and piggy banks. Free online.

Open calculator

EBIT Margin Calculator

Calculate the EBIT margin and profitability of your company from the annual accounts. Online calculator with current 2026 market rates and clear breakdown.

Open calculator

Trade Calculation Calculator

Create a forward or backward calculation. From purchase price to selling price. Online calculator with current 2026 market rates and clear breakdown.

Open calculator

Storage Interest Calculator

Calculate the storage interest and warehouse costs for your inventory. Free with amortization schedule, interest comparison, examples for 2026.

Open calculator

Change Calculator — Coins and Bills to Return (Cashier)

Calculate change instantly: difference between bill amount and money received. Optimally split into coins and bills. Ideal for cashiers and sales.

Open calculator