Loan calculator

Personal loan calculator for discover personal loans and more

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Set the amount, term and APR to see your estimated payment, total repaid and total interest. Nothing you enter is saved.

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Payment calculator

Estimate your payment

Move the sliders to see an estimated payment, total repaid and total interest. Nothing you enter is saved or sent anywhere.

Monthly payment (estimate)$106.73
Total repaid$2,561.59
Total interest$561.59

Estimates use the amount, term and APR you set. Your actual rate, fees and payment come from the lender’s offer.

01

How to use the calculator

Enter the loan amount, choose a term, set the APR and pick how often you are paid. The calculator shows an estimated payment, the total you would repay and the total interest, using the standard amortization formula.

Start with the amount you need, including any origination fee a lender will deduct. If you do not know your APR yet, leave the sample rate in place or use a figure from a prequalified offer. Switching to every-two-weeks payments shows the effect of paying half the monthly amount on a biweekly schedule.

Many visitors arrive looking for a discover personal loan calculator. Ours works with any lender’s numbers, so you can enter a Discover quote and an offer from another lender and compare them on the same screen. We are not affiliated with Discover.

02

What the results mean

The payment is the fixed amount due each period, the total repaid is every payment added together, and the total interest is the total repaid minus the amount borrowed. All three are estimates until a lender makes an offer.

Your actual payment can differ slightly because of rounding, the exact first payment date and any fee added to the balance. The lender’s Truth in Lending disclosure shows the official APR, finance charge and total of payments; compare those with the calculator to check an offer.

If the total interest seems high, try a shorter term or a lower APR. If the payment seems high, try a longer term, then plan extra payments to bring the total back down.

03

Example payments at a 24.99% sample APR

At a 24.99% sample APR, a $1,000 loan over 12 months costs about $95.04 a month, and a $2,500 loan over 24 months about $133.42. The table shows common combinations so you can compare at a glance.

LoanAPRTermMonthly paymentTotal repaidTotal interest
$50024.99%6 months$89.51$537.07$37.07
$1,00024.99%12 months$95.04$1,140.47$140.47
$1,50024.99%12 months$142.56$1,710.71$210.71
$2,00024.99%18 months$134.37$2,418.73$418.73
$2,50024.99%24 months$133.42$3,201.99$701.99
$5,00024.99%36 months$198.77$7,155.82$2,155.82

Each amount has its own guide with use cases and requirements: the $1,000 loan, $1,500 loan, $2,000 loan and $2,500 loan pages.

04

How APR and term change the cost

A higher APR raises the payment and the total interest, and a longer term lowers the payment but raises the total interest. The two effects compound, so a long term at a high APR costs the most.

On $2,000 over 24 months, moving from 12.99% to 35.99% adds about $23 to the payment and about $552 in interest. On the same $2,000 at 24.99%, stretching from 12 to 36 months cuts the payment by about $110 but adds about $580 in interest. Use the sliders to see where the trade-off feels right for your budget.

Our rates guide explains how lenders set APRs and what can move yours lower.

05

Tips for comparing offers

Run each offer through the calculator using its APR and term, then compare the total repaid. The offer with the lowest total for a payment you can afford is usually the best choice, whatever the lender.

  • Use the APR from the offer, not the interest rate.
  • Enter the full amount being repaid, including any fee added to it.
  • Compare totals at the same term to see which lender is cheaper.
  • Then compare different terms to choose the right length.

If you are comparing discover personal loans with smaller lenders, enter each offer’s numbers in turn and note the totals. Our compare lenders page lists published ranges so you can see whether an offer is competitive.

06

Monthly or every-two-weeks payments

Paying every two weeks means 26 half-payments a year, the same as 13 monthly payments, so a personal loan paid biweekly usually ends a little sooner and costs a little less than the same loan paid monthly.

The calculator’s every-two-weeks option spreads the same term across biweekly payments and shows the per-payment amount. On $2,000 at 24.99% over 24 months, the biweekly payment is about half the monthly figure, and the loan finishes about two months early when the lender applies each payment as it arrives.

Not every personal loan lender offers biweekly schedules. Some only accept monthly payments, and some hold half-payments until a full payment arrives, which removes the benefit. Ask before you rely on it. If your lender is monthly-only, you can get a similar effect by adding one extra payment a year toward principal.

07

Planning extra payments

Extra principal payments shorten a personal loan and cut total interest, and they save the most when made early in the term. The calculator shows the base schedule; any extra you add on top of it reduces the cost further.

A simple plan is to round each payment up to the next $25 or $50, or to send part of a tax refund or bonus straight to principal. On a $2,500 loan over 24 months, adding $25 a month trims a few payments from the end and saves a noticeable share of the interest. Most personal loans have no prepayment penalty, but check your agreement and ask the lender to apply extra amounts to principal.

08

What the calculator does not include

The calculator assumes a fixed rate, equal payments and no fees added to the balance. It does not include late fees, optional add-ons or state-specific charges, and it cannot predict the APR a lender will offer you.

Treat the results as a planning estimate. A personal loan offer will show the exact APR, fees, payment and total of payments on its Truth in Lending disclosure, and those are the figures that count. If an offer’s payment differs from your estimate by more than a few cents, check whether a fee was added to the principal or the term is different.

People who use a bank’s own personal loan calculator will see the same math; only the rate ranges differ by lender.

09

Ready to see real offers?

When you are ready, send one request through our form and lenders in our network will show any offer with the APR, fees and payment before you commit. There is no fee to use our service and no obligation to accept.

The form takes about five minutes. Have your income details ready, and request the amount you tested here plus any fee. Start on our application page, or check what lenders look for on our eligibility page.

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It takes about five minutes, there is no fee to use our service and you are never obligated to accept an offer.

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