Retirement Calculator

Calculate how much you need to save for retirement using the 4% rule. Enter your current age, retirement age, savings, monthly contributions, and expected return rate. This free retirement calculator shows year-by-year growth projections.

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Tools|Retirement|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.