Essential health and financial calculators for nurses — compute BMI, estimate calorie intake, track hydration, calculate shift pay, and plan retirement savings. All free and private.
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Calculate percentages, increases, decreases, and changes
Use tool →Encode and decode URL strings
Use tool →Convert between hourly wages and annual salary with overtime and benefits
Use tool →Convert hourly wage to annual salary with tax estimates and overtime
Use tool →Calculate your net income after federal, state, and local taxes with detailed deduction breakdown
Use tool →See exactly where your paycheck goes — federal tax, state tax, FICA, 401(k), and take-home pay
Use tool →Calculate take-home pay with federal tax, FICA, state tax, and deductions
Use tool →Calculate federal, state, Social Security, and Medicare taxes with detailed net pay breakdown
Use tool →Convert salary between hourly, weekly, monthly, and annual with tax estimates
Use tool →Track and categorize blood pressure readings with averages, trends, and health risk indicators
Use tool →Calculate your Body Mass Index with visual BMI scale
Use tool →Calculate daily calories (TDEE/BMR) with macro breakdowns for your goals
Use tool →Calculate calories burned across 95+ activities organized in 9 categories using MET values, with heart rate zone estimation and weekly planning
Use tool →Calculate your target heart rate zones for optimal training using the Karvonen formula
Use tool →Calculate your Total Daily Energy Expenditure based on BMR, activity level, and body composition
Use tool →Calculate your recommended daily water intake based on weight and activity
Use tool →Convert text to URL-friendly slugs
Use tool →Learn how to calculate your Body Mass Index (BMI) with the simple formula. Understand what your BMI means, its limitations, and when to use other health metrics.
Read guide →Learn how to calculate your Total Daily Energy Expenditure (TDEE) and create a calorie deficit for healthy weight loss. Includes formulas, activity multipliers, and a free calculator.
Read guide →Learn 5 different methods to calculate body fat percentage, from the free US Navy method to DEXA scans. Understand what your body fat percentage means for health.
Read guide →Convert hourly wage to annual salary, understand tax deductions, and calculate your actual take-home pay. Includes federal and state tax breakdowns.
Read guide →NexTool provides free tools nurses use daily including BMI calculators for patient assessments, calorie and hydration calculators for care planning, heart rate zone calculators, blood pressure trackers, paycheck estimators for shift differentials, and retirement planning tools.
Yes. Use our salary calculator and hourly-to-salary converter to estimate take-home pay for 12-hour shifts, overtime, and weekend differentials. The paycheck calculator includes federal and state tax withholdings.
Our health calculators use standard medical formulas (WHO BMI categories, Mifflin-St Jeor for TDEE, etc.) and provide reliable reference values. For clinical decision-making, always verify with facility-approved tools and protocols.
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