ProCalc.ai Blog
Calculator guides, data stories, and explainers across dozens of knowledge domains.
scienceexplainer
5 Solar Eclipses You Can't Miss Before 2030
The next five years bring some of the most dramatic solar eclipses in living memory. Here are the five you should plan for now.
8 min read🔗 1 calculators
Astronomyexplainer
When Is the Next Solar Eclipse? Complete Guide for 2026 Through 2030
Solar eclipses are the most spectacular events in astronomy — and the next few years have some incredible ones coming. Here is everything you need to know.
6 min read🔗 1 calculators
Healthdata story
BMI Chart by Age & Gender — 2026 Data
I broke down 2026 BMI data by age and gender so you can actually understand what your number means.
7 min read🔗 1 calculators
ConstructionLandscaping
Gravel Calculator: How Much Stone Do You Need for a Driveway or Patio?
10 min read🔗 3
MathUnit Conversions
Celsius to Fahrenheit: The Formula, the Chart, and the Mental Math Trick
8 min read🔗 1
FinancePersonal Finance
Loan Calculator: Fixed vs Variable Rate and What Your Lender Does Not Tell You
11 min read🔗 3
ConstructionStructural Steel
Steel Beam Weight: W-Shape, S-Shape, and Structural Steel Sizing Explained
11 min read🔗 3
ConstructionConcrete & Foundation
Concrete Calculator: How to Never Order Too Much — or Too Little
12 min read🔗 3
HealthNutrition
TDEE Calculator: The Calorie Target That Actually Accounts for Your Life
11 min read🔗 3
FinanceReal Estate
Mortgage Calculator: The 4 Numbers That Determine Your Monthly Payment
13 min read🔗 3
ConstructionMaterials
OSB vs Plywood: Weight, Strength, Moisture Resistance, and When to Use Each
11 min read🔗 4
MathWriting & Tools
Word Count Guide: How Long Should a Blog Post, Essay, Novel, or Tweet Actually Be?
9 min read🔗 1
Sciencelisticle
10 elements you interact with every day (and the science behind each)
13 min read🔗 3
ScienceBiology
Dog Years Calculator: How Old Is Your Dog Really? (It's Not 7x)
9 min read🔗 1
Engineeringguides
Understanding Wire Gauge: AWG Sizing, Resistance, and Ampacity
6 min read🔗 1
