Ecology

Electricity Cost Calculator

Calculate the electricity cost of any appliance based on wattage, daily usage hours, and t

Health

Calorie Calculator

Calculate your daily calorie needs (TDEE) based on age, weight, height and activity level.

Finance

Protein Intake Calculator

Calculate your daily protein requirement based on body weight, activity level, and fitness

Finance

Calorie Intake Calculator

Calculate your recommended daily calorie intake for weight loss, maintenance, or weight ga

Math

Freelancer Rate Calculator

Calculate your ideal hourly or daily freelance rate based on desired annual income, expens

Finance

Vitamin D Calculator

Estimate your daily Vitamin D synthesis from sun exposure based on skin type, latitude, an

Finance

Salary Calculator

Convert between hourly, daily, weekly, monthly and annual salary. Calculate take-home pay

Finance

Macro Nutrient Calculator

Calculate daily protein, carbohydrate, and fat targets based on your calorie goal and fitn

Ecology

Household Water Usage Calculator

Estimate daily, weekly and annual household water usage based on showers, toilet flushes,

Pregnancy

Calorie Intake by Age Calculator

Find the recommended daily calorie intake for children, teens and adults based on age, gen

Food

Coffee Caffeine Calculator

Calculate your total daily caffeine intake from coffee, tea and other beverages and check

Finance

Hydration Tracker Calculator

Track your daily water intake and see how close you are to your hydration goal in real tim

Marine

Fresh Water Allowance Calculator

Professional multi-tab calculator for FWA, DWA, Draft Change, New Draft, Cargo Loading, an

Marine

Marine Bunker Fuel Consumption Calculator

Calculate marine bunker fuel consumption accurately for a single voyage or across a whole