Loan Calculator
Calculate monthly payments, total interest, and the overall cost of any loan using our simple calculator.
Loan Details
Calculator guide
Loan Calculator
Estimate the equal monthly payment for a fixed-rate loan from its amount, annual interest rate, and term. The term can be entered in months or years. The result includes a monthly payment, total interest, and overall amount paid.
How to use the calculator
- 1Enter the amount borrowed and the annual interest rate as a percentage.
- 2Enter the repayment term and select whether that number represents months or years.
- 3Calculate and review payment and total cost. Check whether the quoted rate is fixed and whether fees are separate.
Important details to understand
1.Start with the right inputs
Check every number, date, unit, and selected mode before calculating. A correct formula can still give a misleading answer when an input is missing, entered in the wrong unit, or based on a different time period.
2.Know what the calculation includes
The method below describes what this tool uses. Real situations can involve extra rules, costs, calendar conventions, or personal details that are not part of the form, so compare the assumptions with your actual question.
3.Read the unit and rounding
Look at the label as well as the displayed number. Rounding can change the last digits, and results in different units or time periods are not directly comparable until you convert them consistently.
4.Treat the result as a useful check
Use the output to understand a calculation, explore a scenario, or make an initial estimate. When a result affects a formal deadline, a health decision, a contract, or a large payment, confirm it with the relevant source or qualified professional.
How the calculation works
The tool converts a year term to months and calculates an amortizing monthly installment. For a monthly rate r and n payments, payment = P × r(1+r)^n ÷ ((1+r)^n−1). Total paid is monthly payment × n, and interest is total paid minus principal. At zero interest, principal is divided evenly.
A worked example
A $10,000 loan at a hypothetical 6% annual rate for 5 years uses 60 monthly installments. The payment is above $166.67 because interest is included.
When this calculator is useful
Compare installment amounts for different loan terms and interest-rate assumptions.
Planning ahead
Try a few realistic input values to see how a change in an amount, measurement, date, or rate affects the answer.
Learning the method
Follow the explanation and example to understand which inputs matter and how they are combined.
Checking your own work
Compare the result with a hand calculation, a worksheet, or a trusted source when you need an independent sense check.
Explaining a result
Keep the original inputs and units with the output so another person can understand what was calculated.
Tips for a more reliable answer
- Enter the values from the same source and keep units consistent throughout the calculation.
- Check that you selected the mode or option that matches the question you are trying to answer.
- Use the worked example to confirm you understand the inputs and the kind of result the tool returns.
- Save the inputs with the result so you can review or repeat the calculation later.
Limitations and assumptions
This assumes fixed annual interest and regular monthly payments. It excludes origination fees, insurance, variable rates, payment holidays, and lender rounding. Actual contracts may use a different schedule or add costs.
Every result depends on the information entered and the method described above. The calculator cannot confirm that the inputs are complete or that its assumptions match a particular provider, policy, location, body, or real-world situation.
Frequently asked questions
Does the calculator include loan fees?
No. It calculates from the entered principal, interest rate, and term.
Why does a longer term often cost more overall?
More periods can mean interest is charged for longer, even if the monthly payment is lower.
What is EMI?
It is an equal monthly installment that combines principal repayment and interest in an amortizing loan.
Why might my result differ from another calculator?
Tools can use different assumptions, units, date conventions, included costs, or rounding rules. Compare the inputs and method descriptions before deciding that one result is wrong.
What should I check if the answer looks wrong?
Review the selected mode, each entered value, the units, and any optional fields. Then compare a simple example with the method described in this guide.
Can I rely on the result for an official or high-impact decision?
Use the result as an estimate or explanation and check the limitations listed for this tool. Confirm important decisions with the relevant official source or a qualified professional.