#financial-ratios
Key financial ratios like ROA, ROE, and profitability metrics for measuring business performance
The times interest earned (TIE) ratio — EBIT divided by interest expense — tells lenders how many times over your operating earnings cover your interest bill. Most lenders want at least 2.5–3.0; below 1.5 signals high default risk. Here's how to calculate it, where it falls short, and how to improve it before a loan application.
GMROI measures gross profit generated per dollar of average inventory cost; a GMROI above 3.0 is generally strong, below 1.0 means inventory is destroying margin dollars, and typical category ranges run from 1.2 in grocery to 6.5+ in electronics.
Effective March 1, 2026, SBA 7(a) and 504 loans require 100% of direct and indirect owners to be U.S. citizens or nationals with a U.S. principal residence — green card holders no longer qualify — and the FICO SBSS score is retired in favor of a 1.10 minimum debt service coverage ratio and full commercial credit analysis. Here's who's affected and how to prepare.
Days Inventory Outstanding (DIO) measures the average number of days it takes a business to sell through its inventory, calculated as average inventory divided by cost of goods sold, multiplied by the number of days in the period.
Days cash on hand measures how many days a business can pay operating expenses using only its current cash balance, with small businesses typically running 30–60 days and 90+ days considered a strong cushion.
A loan covenant breach can trigger default even without a missed payment; this guide explains DSCR, leverage, and current ratio covenants, cross-default and MAC clauses, and how to track compliance monthly instead of quarterly.
How independent and DSO-affiliated dental practices should record production, PPO contractual write-offs, management fees, and operatory depreciation under ASC 606 — plus the KPIs (collection ratio, overhead %, hygiene production ratio) that separate a 60% overhead office from a 75% one.
The Altman Z-Score combines five financial ratios into one number that predicted bankruptcy with 72% accuracy two years out. This guide covers the original formula, the Z' and Z'' versions for private and non-manufacturing firms, a worked example, and how to screen your own company, customers, and suppliers.
A worked guide to the cash conversion cycle and the three working-capital levers — DIO, DSO, and DPO — with industry benchmarks, the Amazon and Dell negative-CCC playbook, and the bookkeeping foundation small businesses need to shorten the gap.
A practical walkthrough of the cash conversion cycle (DIO + DSO − DPO) for small businesses — how to calculate each component, what counts as a healthy CCC by industry, and the order to pull the three levers that free trapped working capital without breaking supplier or customer relationships.
Two businesses with identical revenue and operating income can react very differently to the same 10% sales decline. This guide explains the three DOL formulas, walks through a worked SaaS example, identifies which industries carry the highest operating leverage, and lays out a five-step stress test for your own cost structure.
A practical guide to DuPont Analysis — how to split return on equity into net margin, asset turnover, and the equity multiplier (3-step), or further into tax and interest burdens (5-step), with worked examples, trade-offs, and the pitfalls that catch people who apply it mechanically.
