Square Footage Calculator

Free online square footage calculator: calculate the area of any room, house, or property in square feet. Supports multiple shapes including rectangle, square, circle, and triangle. Perfect for flooring estimates, painting projects, tiling, carpet installation, real estate listings, and home improvement planning. Simply select the shape and enter the dimensions to get instant results. No signup required, works entirely in your browser. Mac OS 9 retro style interface.

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Tools|Sq Ft|hello-tools 2026

Calorie Calculator - BMR, TDEE, BMI & Macro Calculator - Free Online

Free online calorie calculator: calculate BMR (Basal Metabolic Rate), TDEE (Total Daily Energy Expenditure), BMI, and macronutrients (protein, carbs, fat) for weight loss, weight maintenance or muscle gain. Uses Mifflin-St Jeor equation. Mac OS 9 retro style.

Free online tool. hello-tools offers free, easy-to-use web tools. Calculators, converters, generators, and more — all in Mac OS 9 retro style. No signup required, no data stored.