FOIR meaning and formula
FOIR = total monthly fixed obligations ÷ monthly income × 100.
Fixed obligations are every EMI you pay, plus the proposed EMI. Some lenders use gross income, some use net income. No RBI rule defines FOIR. It is lender practice, and each lender sets its own limit (No official definition).
How lenders use FOIR
FOIR is mostly used for individual and small proprietorship borrowers, where business income and personal income sit close together. For a company or a larger business, lenders lean more on DSCR, which works from the business's cash accruals.
Example
Example figures: monthly income of ₹2,00,000 and existing EMIs of ₹40,000. The new loan is ₹10,00,000 over 36 months at an example rate of 14%, so its EMI is ₹34,178 (Standard loan EMI formula).
FOIR = (₹40,000 + ₹34,178) ÷ ₹2,00,000 = 37.1%.
If that is above the lender's limit, a longer tenor lowers the EMI and so the FOIR.
Related terms
- DSCR: the cash-flow test for businesses.
- Business loan eligibility and the eligibility calculator.
Frequently asked questions
Fixed Obligations to Income Ratio.
It varies by lender and by income type. No regulator sets one number.
Some lenders count rent and other fixed payments; others count only loan EMIs. Ask the lender which method it uses.
Sources
- FOIR is lender practice; no RBI or ICAI definition was found



