#financial-ratios
Financial Ratios
Key financial ratios like ROA, ROE, and profitability metrics for measuring business performance
Return on Invested Capital: The One Number That Tells You If Your Business Is Actually Worth Running
ROIC measures how efficiently a business turns debt and equity into after-tax operating profit — NOPAT divided by invested capital. Learn the formula, why it beats ROI and ROE, the WACC benchmark that separates value creators from value destroyers, and the five calculation mistakes owners make most.
Sustainable Growth Rate Explained: How Fast Your Business Can Grow Without New Debt or Equity
The sustainable growth rate (SGR = retention rate × ROE) sets the maximum revenue growth a business can fund from its own profits without new debt or equity, with most healthy companies landing between 10% and 25% a year.
Times Interest Earned Ratio Explained: The Number Lenders Check First
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 Explained: The Gross Margin Return on Inventory Investment Formula and 2026 Benchmarks
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.
SBA 7(a) and 504 Loan Eligibility in 2026: New Citizenship Rules and the End of SBSS Credit Scoring
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): Formula, Benchmarks, and Why It Matters
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: The Liquidity Metric That Predicts Business Survival
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.
Understanding Loan Covenants: What Every Small Business Owner Signs Away (Without Realizing It)
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.
Dental Practice Bookkeeping: ASC 606, DSO Affiliation, and the KPIs That Reveal Profitability
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: A Five-Ratio Early Warning System for Business Failure
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.
Why Profitable Businesses Run Out of Cash: The Cash Conversion Cycle, Explained
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.
The Cash Conversion Cycle: How Small Businesses Free Cash Trapped in Operations
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.