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FOIR Formula: Full Form, Calculation and Example

Published 17 September 2024 · Toolyt Pulse

FOIR full form is Fixed Obligation to Income Ratio. It is the share of a borrower's gross monthly income that already goes into fixed repayments. The FOIR formula is: FOIR = (Total fixed monthly obligations / Gross monthly income) x 100. Most banks and NBFCs in India approve loans when FOIR stays under 40-50%.

FOIR formula and calculation explained for lenders

01

FOIR formula

FOIR = (Total fixed monthly obligations / Gross monthly income) x 100

Fixed obligations counted in the numerator usually include:

Variable spends such as groceries, fuel or school fees are not counted, which is why FOIR reads lower than a household budget would suggest.

  • Running EMIs on home, auto, personal and consumer durable loans
  • Minimum due on credit cards, typically 5% of the outstanding balance
  • Rent, statutory deductions and court-mandated payments such as alimony
  • The EMI of the new loan being underwritten

02

FOIR calculation with example

Take a salaried applicant with a gross monthly income of INR 1,00,000, a running car loan EMI of INR 15,000 and a credit card minimum due of INR 10,000. Total fixed obligations are INR 25,000.

FOIR = (25,000 / 1,00,000) x 100 = 25%. One-fourth of the income is committed, leaving 75% headroom. If the proposed home loan EMI is INR 30,000, the post-sanction FOIR becomes (55,000 / 1,00,000) x 100 = 55%, which breaches most credit policies unless income is clubbed with a co-applicant or the tenure is stretched.

03

What is a good FOIR for loan approval?

Lenders read FOIR as repayment capacity, not intent. Typical thresholds in Indian credit policy:

Thresholds shift by product. Home loans allow a higher FOIR because of secured collateral and long tenure; unsecured personal loans and credit cards are stricter; microfinance follows the RBI cap on repayment outflow as a share of household income.

  • Below 40%: comfortable, usually the best pricing and fastest approval
  • 40-50%: acceptable for most personal and home loans with a clean bureau record
  • 50-60%: allowed for high income bands (often above INR 1 lakh a month) or with a co-applicant
  • Above 60%: generally declined, or approved only with lower tenure, higher margin or added collateral

04

FOIR meaning in banking: why underwriters rely on it

A credit score explains past behaviour. FOIR explains present cash flow. An applicant can hold a 780 bureau score and still be over-leveraged, which is why credit teams pair the two. A high score with a 65% FOIR signals a borrower who has serviced debt well so far but has no cushion for a salary delay or a medical event.

05

How borrowers can improve FOIR

  • Close or prepay small-ticket loans and consumer durable EMIs before applying
  • Clear revolving credit card balances so the minimum due drops out of the calculation
  • Add a co-applicant with steady income to widen the denominator
  • Choose a longer tenure to lower the EMI, accepting higher total interest
  • Declare variable pay, rental income or incentives with documentary proof so gross income is counted in full

06

FOIR vs DTI, LTV and IIR

Read together, these ratios give underwriters a full picture: FOIR for cash flow, LTV for collateral cover and bureau data for behaviour.

  • DTI (Debt to Income): includes total debt exposure, not only fixed monthly outflow; used widely outside India
  • LTV (Loan to Value): loan amount against asset value, applied to secured lending
  • IIR (Instalment to Income Ratio): only the proposed EMI against income, a narrower cut of FOIR

07

Where FOIR breaks down in field lending

Most FOIR errors are not maths errors. They come from incomplete income documents collected at the doorstep, obligations missed because the bureau pull happened before the latest disbursal, or salary slips re-keyed at the branch. Lending teams running assisted journeys on Toolyt capture payslips, bank statements and bureau data on the same mobile app, so FOIR is computed once, at the point of sourcing, instead of being re-worked at credit.

08

Frequently asked questions

What is the full form of FOIR?

FOIR stands for Fixed Obligation to Income Ratio, sometimes written as Fixed Obligations to Income Ratio.

How do you calculate FOIR?

Divide total fixed monthly obligations, including the proposed EMI, by gross monthly income and multiply by 100.

What FOIR percentage is acceptable for a home loan?

Most Indian lenders sanction home loans up to a FOIR of 50%, and stretch to 60% for higher income brackets or strong co-applicant profiles.

Can a loan be approved with a high FOIR?

Yes, but usually with conditions: a smaller loan amount, a longer tenure, a co-applicant, or additional security to offset the thin repayment cushion.

Editorial standards

Toolyt Pulse publishes analysis for Indian BFSI decision makers. We only state figures we can trace to a named public source, and we clearly separate reported facts from our own interpretation. Spotted something inaccurate? Write to hello@toolyt.com.

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