Calculators — Guides & Articles

• How to Calculate the Circumference of an Oval Shape

  Published 2026-08-17

  Calculate the circumference of an oval using Ramanujan's approximation. For a circle, the simpler 2πr applies — try the free Circumference Calculator now.

  

• Calculate Your Victoria's Secret Bra Size at Home

  Published 2026-08-17

  Calculate your Victoria's Secret bra size at home using two measurements. Get your US band and cup size plus UK and EU equivalents in one result.

  

• Calculate Circle Area in AutoCAD Using a Free Online Tool

  Published 2026-08-16

  Need a circle's area in AutoCAD? Use this free online circle area calculator to get A = πr² instantly from radius or diameter, plus circumference and diameter.

  

• Chinese Gender Predictor: Playful Folklore for Baby Guesses

  Published 2026-08-16

  Enter mom’s age and conception month into the free Chinese Gender Predictor for a fun boy-or-girl guess from the traditional chart—no science, just…

  

• Calculate Calories in Any Recipe Using Daily Needs

  Published 2026-08-16

  Find how many calories your recipe contains by first calculating your daily calorie target with a free, private TDEE calculator—then divide by servings.

  

• How to Calculate with a Scientific Calculator

  Published 2026-08-16

  Use a free scientific calculator for trig, logs, exponents, roots, and factorials. Runs in your browser, no signup or install, with a step-by-step guide.

  

• How to Calculate BMR for Females Step by Step

  Published 2026-08-15

  Step-by-step method to calculate BMR for females using Mifflin-St Jeor and the revised Harris-Benedict equation — with formulas and a worked example.

  

• How to Calculate BMI in Pounds and Inches

  Published 2026-08-15

  Find your BMI using pounds and inches. The imperial formula is 703 × lb ÷ in² — get your number and WHO category with our free calculator.

  

• Assignment Problem Solver Online: Hungarian Algorithm

  Published 2026-08-15

  Paste a cost matrix and get the optimal one-worker-per-task pairing with minimum total cost, computed locally via the Hungarian algorithm.

  

• How to Calculate Wallpaper for a Ceiling

  Published 2026-08-15

  Calculate wallpaper for a ceiling using full drops, trim allowance, and vertical pattern repeat. Get the right roll count before ordering.