Free tool

Peer-to-peer loan simulator.

Instantly estimate the monthly payment, interest and total cost of a loan between loved ones. Compliant with the legal usury rate in force, no sign-up required.

check_circleReal-time calculation · Month-by-month breakdown

Simulation

Set up your loan

Adjust the amount, duration and rate. Everything else is calculated for you.

€1,000

Between €100 and €2,000 for this simulation

12 months

Between 1 and 60 months

3.00 %

Legal cap (usury rate): 23.00%

Result

Your simulation

Monthly payment

€84.69

× 12 months

Principal€1,000.00
Total interest+ €16.32
Total cost€1,016.32
drawFormalize this loan on KredyCompare plans

The legal framework

Lending between loved ones, the legal way

In France, lending money between individuals is perfectly legal — provided three simple rules are followed.

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01

A written contract from €1,500

Beyond €1,500, French civil law requires a written instrument (acknowledgment of debt or loan contract) for the transaction to be enforceable in court. Kredy generates it automatically, signed electronically by both parties.

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02

A rate capped by law

The interest rate freely agreed between individuals cannot exceed the usury rate published quarterly by the Banque de France. For personal loans under €3,000, it sits around 22–23% in 2026.

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03

A tax declaration from €5,000

Beyond €5,000 lent to the same borrower in a year, the lender must declare the transaction to the tax authorities via form no. 2062 — generated and pre-filled by Kredy for you.

Key differences

Bank loan or peer-to-peer loan?

Two radically different logics. Here's what actually changes.

CriteriaBank loanKredy peer loan
Interest rate3% to 7% depending on profileFree, capped at the usury rate
Setup fees0.5% to 1.5% of principalNone
Time to obtain2 to 6 weeksA few minutes
Scoring & refusalBank-defined criteriaFree decision between loved ones
Legal valueStandard bank contractContract enforceable in court
Role of the relationshipNoneAt the heart of the transaction

Frequently asked

What our simulator doesn't (yet) tell you

01How is the monthly payment calculated?add
We apply the standard fixed-payment amortization formula used by banks: M = P × r / (1 − (1+r)^−n), where P is the principal, r the monthly rate (annual rate ÷ 12) and n the number of payments. Each monthly payment is constant throughout the loan.
02Is the interest rate mandatory?add
No. A peer-to-peer loan can be granted at zero rate — this is in fact the most common case between loved ones. If you set a rate, it simply needs to stay below the quarterly usury rate published by the Banque de France.
03Do I need to declare interest income on my taxes?add
Yes. Interest received by the lender is classified as capital income, subject to a 30% flat tax in France. Each year, Kredy prepares the summary to attach to your tax return.
04Does this simulator replace a contract?add
No. The simulator is only an estimation tool. To formalize the loan, Kredy generates a contract compliant with French law, signed electronically, archived and enforceable in court.
05Can I modify an ongoing loan?add
Yes. From the Kredy app, you can agree with the borrower on an amendment: postponement, rescheduling or early repayment. The amendment is signed electronically and added to the original contract.
06What if the borrower doesn't repay?add
Kredy automatically sends friendly reminders, then, if needed, triggers a formal notice letter drafted by our legal team — enforceable in court — with no lawyer fees.

Ready to move from simulation to contract?

Everything you just calculated, Kredy formalizes in minutes: contract, signature, tracking, reminders. Free to start.

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