How to Pay Off Debt
Which debt to attack first, what the order actually costs you, and the one number that decides whether a balance ever clears at all.
The tools in this guide
All free, no signup. Each one has a printable sheet too.
- Debt Snowball vs Avalanche CalculatorAvalanche saves $866 on these numbers. Snowball clears your first debt 21 months sooner. That is the whole trade-off, in two figures.
- Credit Card Payoff CalculatorHow long a balance takes to clear at a fixed monthly payment, what it costs in interest, and how much of this month's payment never touches the balance.
- Loan Payoff CalculatorHow long a balance takes at a given payment - and the point below which it never clears at all, which is the number worth seeing first.
- Car Loan CalculatorYour monthly payment, and the number the dealer will not lead with - what the car costs in total once the interest is counted.
Most debt advice starts with an argument about snowball versus avalanche. That is the wrong place to start, because it is the third decision, not the first — and for a lot of people it turns out to matter less than the thing nobody checks.
Here is the order that actually works.
1. Find out whether your payment is big enough to ever finish
Before you optimise anything, check that the plan finishes at all.
Every debt has a payment below which the balance never clears — the interest added each month matches or beats what you pay, and you can keep paying forever without arriving. The Loan Payoff Calculator reports that threshold directly, and it is the number worth seeing before any other. If you are under it, no strategy helps. You need a bigger payment, a lower rate, or a different arrangement, and that is the real problem to solve.
If you are only just above it, that is worth knowing too. A payment that clears a balance in nineteen years is technically a plan, but it is not the plan you think you have.
2. See what the minimum is really doing
The Credit Card Payoff Calculator shows something the statement does not put in front of you: how much of this month's payment never touches the balance.
This is the number that changes behaviour. Paying the minimum feels like progress because the balance moves. Seeing that most of the payment went to interest, and only a sliver came off what you owe, is a different experience — and it is usually what makes someone find another fifty a month from somewhere.
Do this before you pick a strategy. It reframes what you are choosing between.
3. Then choose your order
Now the famous argument, and it is a genuine trade-off rather than a right answer.
- Avalanche — highest interest rate first. Costs the least.
- Snowball — smallest balance first. Clears your first debt soonest.
The Debt Snowball vs Avalanche Calculator puts both numbers side by side, which is the only honest way to have this conversation. At the figures it opens with, avalanche saves $866 in interest, and snowball clears the first debt twenty-one months sooner. That is the whole trade-off in two numbers: some money, against the feeling of finishing something.
Anyone who tells you the answer is obvious is answering for themselves. If you have abandoned payoff plans before, the twenty-one months may be worth more to you than the $866 — a plan you stick to beats a cheaper plan you quit. If you have never had trouble staying with a plan, take the money.
Put your own balances in. The gap between the two strategies varies enormously with the spread in your interest rates; sometimes it is hundreds, sometimes it is close to nothing, and when it is close to nothing the choice is easy.
4. Do not add a new one halfway through
The Car Loan Calculator belongs in a debt guide for one reason: a car is where a working payoff plan usually goes to die.
It reports the monthly payment, and then the number the dealer will not lead with — what the car costs in total once the interest is counted. Negotiations happen in monthly payments because a longer term makes any price sound affordable. The total is what you are actually agreeing to.
If you are mid-payoff, run the total before you run the monthly.
What this guide does not do
It does not know your situation. These tools estimate; they do not advise, and there are circumstances — collections, secured debts at risk, anything involving a court — where the arithmetic is not the important part. For those, talk to a qualified adviser or a non-profit credit counselling service rather than a calculator.
The short version
- Check the balance can clear at all — Loan Payoff.
- See what the minimum is really buying — Credit Card Payoff.
- Pick your order with both numbers in front of you — Snowball vs Avalanche.
- Do not take on a car payment in the middle of it — Car Loan.
Every one of these has a printable sheet, so you can fill it in once and keep it somewhere you will see it.
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