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Explore the latest published articles on finance, health, math, and engineering.

Filtered by:ideal body weightClear filter

2 JUL 2026

What Is Ideal Weight? The 4 Medical Formulas That Actually Answer It

Posted By: Marcus Webb

TL;DR — There is no single "ideal weight." Four doctor-used formulas give different answers for the same height: Hamwi (1964), Devine (1974), Robinson (1983), and Miller (1983...

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2JUL

Gear Ratio Explained: Formula, Speed vs Torque, and Real-World Tables

TL;DR — Gear ratio = driver teeth ÷ driven teeth. A rat...

Read: Gear Ratio Explained: Formula, Speed vs Torque, and Real-World Tables →

2JUL

BMI by Age and for Women: What the Charts Don't Tell You

TL;DR — The standard WHO BMI categories (18.5–24.9 heal...

Read: BMI by Age and for Women: What the Charts Don't Tell You →

2JUL

What Is Ideal Weight? The 4 Medical Formulas That Actually Answer It

TL;DR — There is no single "ideal weight." Four doctor-...

Read: What Is Ideal Weight? The 4 Medical Formulas That Actually Answer It →

1JUL

BMI Calculator for Women: Healthy Ranges, Age & Body Fat Explained

BMI works differently for women than men. Healthy body fat percentages are higher for women, BMI thresholds can vary with age, and pregnancy changes everything. This guide covers healthy BMI ranges by age, body fat comparison, and when BMI alone is insufficient.

Read: BMI Calculator for Women: Healthy Ranges, Age & Body Fat Explained →

1JUL

New BMI vs Old BMI: Which Formula Should You Use in 2026?

The "new BMI" corrects a 200-year-old height bias in the standard formula. We compare both formulas side by side, show worked examples for tall and short adults, and explain when the difference actually matters for your health.

Read: New BMI vs Old BMI: Which Formula Should You Use in 2026? →

1JUL

How to Calculate Gear Ratios: Simple, Compound & Planetary (With Examples)

Learn to calculate simple, compound, and planetary gear ratios with step-by-step worked examples, formulas, torque relationships, and a free gear ratio calculator.

Read: How to Calculate Gear Ratios: Simple, Compound & Planetary (With Examples) →

22JUN

How to Set Your Macros Based on TDEE: Cut, Bulk & Maintain

To set macros, start with your TDEE, apply a calorie target (deficit for fat loss, surplus for muscle), then split into protein, fat, and carbs (remainder).

Read: How to Set Your Macros Based on TDEE: Cut, Bulk & Maintain →

22JUN

Average Net Worth by Age in America (2026): Federal Reserve Data

The Federal Reserve's 2022 Survey of Consumer Finances shows median net worth for Americans under 35 is $39,000 while those 65–74 hold $409,900.

Read: Average Net Worth by Age in America (2026): Federal Reserve Data →

22JUN

Running Pace Guide: How to Calculate Your 5K, 10K & Marathon Time

Learn how to calculate your running pace, set race time goals, and train in the right heart rate zones. Includes pace tables for 5K, 10K, half marathon, and marathon.

Read: Running Pace Guide: How to Calculate Your 5K, 10K & Marathon Time →

22JUN

LTV Ratio Explained: Why It Affects Your Rate, PMI, and Approval

Loan-to-value ratio (LTV) is the percentage of a home's value you are borrowing. An 80% LTV means you are putting 20% down. It controls whether you pay PMI, what interest rate you get, and whether you qualify at all. Here is everything you need to know.

Read: LTV Ratio Explained: Why It Affects Your Rate, PMI, and Approval →

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