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Emergency Loan Calculator

An emergency loan calculator estimates the monthly payment, total interest, and total cost of a short-term loan. Enter the amount, APR, term in months, and any flat origination fee to see what the loan really costs.

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Advertising disclosure: EmergencyLoaning may receive a referral fee if you apply through the link above. That fee does not change the rate you are offered, and it does not change our content. We are not a lender. The lowest rates are only available to the most qualified applicants. Read the full disclosure.

  • Runs in your browser
  • No sign-up
  • Free

By the EmergencyLoaning Editorial Team · Last updated 2026-09-16

Enter your numbers and press Calculate. Nothing you type leaves your browser.

How this calculator works

An emergency loan is a short-term installment loan repaid in equal monthly payments. This calculator uses the standard amortization formula for the monthly payment:

M = P * r * (1 + r)^n / ((1 + r)^n - 1)

Total interest is M * n - P. A flat origination fee is added to the cost of credit, and the amount you receive is the loan amount minus that fee. The effective APR solves for the rate that makes the present value of your payments equal the cash you actually receive.

Enter the rate and fee from your own offer. Lenders set both based on credit profile, loan amount, and term, so the result is an estimate rather than a quote.

How to use this calculator

  1. Enter your numbers

    Everything runs in your browser. Nothing you type is sent to us.

  2. Read the result

    The result shows the headline figure and the numbers behind it, so you can see where the cost comes from.

  3. Check the rules before you apply

    State caps and licensing decide what a lender may offer you. The state reference lists both with their sources.

Before you apply, run the numbers

The calculators are free and run in your browser. When you are ready to look at real offers, the link below goes to our referral partner.

Compare loan offers Run the numbers first

Advertising disclosure: EmergencyLoaning may receive a referral fee if you apply through the link above. That fee does not change the rate you are offered, and it does not change our content. We are not a lender. The lowest rates are only available to the most qualified applicants. Read the full disclosure.

Frequently asked questions

How is the monthly payment calculated?
The calculator uses the standard amortization formula M = P * r * (1 + r)^n / ((1 + r)^n - 1), where r is the annual rate divided by 12 and then by 100, and n is the number of monthly payments.
Does the origination fee change the monthly payment?
No. The fee does not change the monthly payment, but it reduces the cash you receive and is added to the total cost of credit. The effective APR rises to reflect that.
What rate should I enter?
Use the APR from an offer you have received or a rate you want to test. Rates vary by lender, credit history, amount, and term, so treat the rate as an assumption.
Why does the effective APR differ from the rate I entered?
When a flat fee is deducted from the amount you receive, the same payments cost more relative to the cash you actually got. The effective APR is the rate that makes the payments equal that net amount.

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