Tools Directory
Explore our collection of free online tools, calculators, converters, and technical utilities built for speed, precision, and instant answers.
Educational & Reference
5 toolsNebraska Payroll Calculator
Calculate your Nebraska take-home pay for 2026. Includes federal withholding, Nebraska state tax, Social Security, Medicare, W-4/W-4N settings, and pre-tax deductions.
Marine Corps PFT Calculator
Calculate your Marine Corps Physical Fitness Test (PFT) score based on your age, sex, pull-ups or push-ups, plank time, and 3-mile run.
USMC CFT Calculator
Calculate your Marine Corps Combat Fitness Test (CFT) score from Movement to Contact (MTC), Ammunition Can Lifts (ACL), and Maneuver Under Fire (MANUF).
Projectile Motion Calculator
Multi-mode projectile motion calculator. Calculate trajectory, flight time, peak height, horizontal range, required launch angle, and initial velocity.
Polynomial Multiplication Calculator
Multiply two polynomials online and see a detailed step-by-step solution. Supports binomials, trinomials, and higher-degree polynomials with FOIL breakdown for binomials.
Home & Construction
3 toolsPool Salt Calculator
Calculate how much salt (in lbs, kg, and bags) your pool needs based on volume, current PPM, and target PPM.
Asphalt Calculator
Estimate the amount of asphalt you need for your paving project. Enter the area dimensions and asphalt thickness to calculate the estimated tons required.
Cubic Yard Calculator
Calculate cubic yards for concrete, gravel, mulch, soil, sand, or asphalt using project dimensions, mixed units, waste allowance, and optional material cost.
Math & Conversions
2 toolsmL to Ounces Converter
Convert milliliters (mL) to US & Imperial fluid ounces and vice versa with formulas, conversion charts, and adjustable decimal precision.
Convertidor de Onzas a Mililitros
Convierte onzas líquidas (fl oz) a mililitros (ml) y mililitros a onzas. Calcula valores precisos para 1, 2, 3, 8 y 16 onzas en estándares estadounidenses e imperiales.