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Loan Calculator

Estimate monthly repayment, total interest, fees, effective annual cost and cash-flow affordability before taking a business or personal loan.

Loan Calculator

Understand the whole cost of a loan

Enter the quoted loan amount, rate, tenure and fees. The calculator shows the monthly instalment, all-in repayment, effective annual cost, affordability pressure and a month-by-month repayment schedule.

  • Flat rate and reducing balance loans
  • Processing and monthly fees
  • Cash-flow affordability check
  • Amortisation schedule with CSV export

Loan details

  • Enter the approved or quoted principal before fees. Example: if the lender says the loan is S$50,000, enter 50000.

  • months

    Use the full repayment period in months. 3 years = 36 months, 5 years = 60 months.

  • Interest rate setup The method and rate below are used together to calculate monthly repayment.

    Choose reducing balance for most bank-style term loans. Choose flat only if interest is quoted on the original loan amount.

    % p.a.

    Enter the advertised yearly interest rate. Example: 8 for 8% p.a.

Fees and cash received

  • Upfront fee setup Enter the upfront fees, then choose how the lender collects them.
    %

    Percentage fee on the loan amount. Enter 0 if none.

    One-off dollar fees, such as admin or legal fees. Enter 0 if none.

    This applies to the processing fee and fixed upfront fee above. Deducted means you receive less cash.

  • Enter any fixed monthly account, admin or servicing fee. This is added to the monthly cash outflow.

Affordability check

  • Enter the realistic monthly cash buffer available after normal operating or personal expenses.

  • Include current loan, credit card, hire purchase or other debt payments that must still be paid each month.

Monthly cash outflow $0.00 Instalment plus monthly fees
Total amount repaid $0.00 All instalments and fees
Effective annual cost 0.00% IRR-based estimate after fees
Cash received $0.00 After upfront fee treatment

Loan Principal Used

$0.00

Monthly Instalment
Before monthly admin fee

$0.00

Total Interest

$0.00

Total Fees

$0.00

Total Cost Above Cash Received

$0.00

Interest Share

0.00%

Monthly Affordability Ratio
Cash available / total debt payments

-
Principal
$0
Interest
$0
Fees
$0
Enter a loan quote and click calculate.

Repayment schedule

See how each payment is split between principal, interest, fees and remaining balance.

Month Payment Principal Interest Fees Balance

The schedule updates after calculation.

How to read this loan calculator

This calculator separates four things that are often mixed together: the quoted loan amount, the cash you actually receive, the instalment you pay each month, and the total amount you repay by the end of the loan.

For business owners, this matters because a loan can look affordable by headline rate but still pressure monthly cash flow after fees and existing debt are included. Use the affordability ratio as a quick stress check, then build a proper cash-flow forecast before signing.

What each output means

  • Monthly cash outflow: the instalment plus monthly admin fees.
  • Total amount repaid: all instalments, interest and fees paid across the loan.
  • Cash received: the amount available to use after deducted fees, or the loan amount if fees are paid separately.
  • Effective annual cost: an estimate of the all-in annualised cost after repayment timing and fees.
  • Affordability ratio: monthly cash available divided by total monthly debt payments after this loan.

Flat rate vs reducing balance loans

A reducing balance loan charges interest on the outstanding balance. As the balance falls, the interest portion normally falls too. A flat rate loan calculates interest on the original principal for the full tenure, so the advertised rate often looks lower than the real effective cost.

If you are comparing two offers, do not compare only the advertised rate. Enter the fee structure and rate type into this calculator, then compare monthly outflow, total cost and effective annual cost.

Business loan vs personal loan

If the money is for business operations, check business financing first. A personal loan may be faster, but the repayment obligation sits with the individual owner. If the business does not recover, the personal debt remains.

For a broader decision framework, read our guides to business loan options in Singapore and personal loans for business owners.

Loan Calculator FAQ

What does this loan calculator show?

It estimates monthly repayment, total interest, total fees, total amount repaid, cash received after fees, effective annual cost and an amortisation schedule for a business or personal loan.

Can I compare flat rate and reducing balance loans?

Yes. Select flat rate when the quoted rate is charged on the original principal, or reducing balance when the quoted annual rate is applied to the outstanding loan balance.

Why is effective annual cost different from the advertised rate?

The effective annual cost includes repayment timing and fees. A loan with a low advertised rate can be more expensive after processing fees, monthly fees or fee deductions are included.

Is this calculator suitable for Singapore business loans and personal loans?

It can estimate both, but it is not a loan approval tool. Business owners should still compare lender terms, check whether fees are deducted upfront, and verify whether personal guarantees or personal liability apply.

Does this calculator include grants or government-supported loans?

No grant is a loan repayment. For government-supported business loans, enter the lender quote into this calculator after a participating financial institution provides the rate, tenure and fees.

Useful references before taking a loan

  1. Enterprise Singapore Enterprise Financing Scheme
  2. MinLaw Registry of Moneylenders borrower guide
  3. MinLaw list of licensed moneylenders

Disclaimer for this loan calculator

This tool is an educational estimate. It does not approve loans, quote any lender, include every possible fee, or replace financial advice. Always verify the final loan schedule, fees, early repayment terms, late charges and guarantee obligations with the lender before signing.

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