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Unit Conversion
- Introduction to SI Units
- Conversion of Conventional to SI Units: Blood Chemistries
- Conversion of Conventional to SI Units: Urine Chemistries
- Conversion of Conventional to SI Units: Analysis of Body Fluids and Feces
- Conversion of Conventional to SI Units: Hematology and Coagulation
- Conversion of Conventional to SI Units: Therapeutic Drug Monitoring
- Conversion of SI to Conventional Units: Blood Chemistries
- Conversion of SI to Conventional Units: Urine Chemistries
- Conversion of SI to Conventional Units: Analysis of Body Fluids and Feces
- Conversion of SI to Conventional Units: Hematology and Coagulation
- Conversion of SI to Conventional Units: Therapeutic Drug Monitoring
- Units of Temperature
- Units of Weight
- Units of Length
- Units of Liquid Measure (US and Metric)
- Units of Liquid in the Laboratory
- Units of Light
- Units of Radioactivity
- Units of Velocity
- Units of Energy, Work and Amount of Heat
- Units of Power
- Units of Area
- Units of Dynamic Viscosity
- Units of Acoustical Loudness
- Units of Volume
- Units of Density
- Units of Angular Velocity
- Units of Angle
- Units of Acceleration
- Units of Flow (Volume per Unit Time)
- Conversion of Nautical Units
- Units of Print Character Size
- Units of Weight per Unit Time
- Units of Atmospheric, Gas and Fluid Pressures
- Units of Absorbed Radiation Dose
- Units of Radiation Dose Equivalent
- Units of Radiation Exposure
- Units of Radiation Exposure Rates
- Units of a Magnetic Field
- Units of Vascular Resistance (Including Wood Units)
- Conversion of Dietary Energy (Calories and Joules)
- Conversion of Sheet Thickness (Including Mil)
- Conversion Between Angle and Incline Grade
- Units of Land Area
- Distance Covered By a Rotating Wheel
- Conversions Between Metric Concentration Formats
- Weight of a Compound and the Number of Molecules Present
- Converting Milliequivalents and Milligrams
- Converting Parts per Million and Milligrams per Cubic Meter of Air
- Converting Between Picomoles and Micrograms for DNA or Protein
- Converting Between Number of DNA Base Pairs and Molecular Weight of the Associated Protein
- Conversion Between a Weight Ratio (g per g, mg per mg) and a Molar Ratio (mole per mole)
- Converting Between pH and Hydrogen Ion Concentration
- Conversion of Urea and Urea Nitrogen
- Expressing the Amount of a Chemical in the Urine Relative to Creatinine
- Hemoglobin Unit Conversion
- Urine Protein By Dipstick
- Variation in Weight With Change in Gravitation or Acceleration
- Conversion in the Glycemic Index (GI) Using a Different Reference Carbohydrate Load
- Arbitrary and Conventional Units for Carbohydrate Antigen 19-9 (CA 19-9)
- Conversion for a Generic WHO Biological Reference Preparation
- Expression of Cystine as Half-Cystine
- Conversion for Units of Brain Natriuretic Peptide (BNP and NT pro-BNP)
- Converting Between Serial Dilution and ELISA Units for Anti-Nuclear Antibodies (ANA)
- Conversion of Units for Zinc Protoporphyrin
- Frequency of an Event (Beats, Breath) Per Unit of Time
- Conversion of Units for Hemoglobin A1c
- Conversion Between Glycolated Hemoglobin A1 and Glycosylated Hemoglobin A1c
- Logarithmic Change (Log Difference) in an Analyte
- Conversion Between Hybritech and WHO Values for Prostate Specific Antigen (PSA)
- Conversion of Serum Inorganic Phosphorus Based on pH
- Conversion of a Linear Formula Between mmol/L and mg/dL
- Conversion of Sex Hormone Binding Globulin (SHBG) Between Various Units
- Calculation of the Partial Pressure of Ammonia from the Blood Ammonia Concentration
- Relative Change in Linear Momentum and Kinetic Energy
- Relative Change in a Spherical Shape
- Expressing Dilution of Homeopathic Remedies
- Volume of Geometric Shapes
- Surface Area of Geometric Shapes
- Area from Circumference of a Circle and Ellipse
- Volume of Body Fluid Captured in a Bucket (Cholera Bucket, etc.)
- Volume of Material Required to Provide a Coating
- Roundness Index of an Ellipse
- Determining the Radius of an Inner Circle with an Area That is a Given Percent of an Outer Circle
- Change in Volume and Radius in a Sphere
- Different Types of Triangles
- Converting Percent and Molar Solutions
- Converting Saline Intravenous Solutions
- Determining the Amount of Solute or Volume Involved When Administering a Percent Solution
- Determining the Infusion Rate of a Glucose Solution Expressed in Percent Glucose
- Determining Characteristics of a Glucose (Dextrose) Monohydrate Intravenous Solution
- Calculating Calcium Delivery with Parenteral Calcium Solutions
- Calculating Potassium Delivery with Parenteral Potassium Solutions
- Salinity of a Solution Based on Weight Percent of Sodium Chloride
- Wavelength of Radiation and the Visible Spectrum
- Transmittance and Density of an Optical Filter
- Transmittance and Shade Number of an Optical Filter
- Computed Tomography (CT) Density in Hounsfield Units
- Light Year and Other Distances Traveled By Light in a Given Time Interval
- Interference Colors and the Thickness of Ultrathin Sections for Electron Microscopy (EM)
- Units of Apothecaries' Dry Weights
- Units of Apothecaries' Liquid Measures
- Units of Household Liquid Measures for Medications
- Units of Area Under the Drug Concentration Curve
- Conversion of Units for Dosing Epinephrine
- Converting Between a Fentanyl Patch Strength and Its Rate of Delivery
- Cumulative Percentages Over Time
- French Size for Catheters
- Gauge for Hypodermic Needles
- Tubing Diameters and Wall Thickness
- Wire Gauge
- Surgical Suture Diameter
- Sizes of Guedel Airway
- Calculating the M Number for a Vascular Catheter
- Sizes of the American Profile Macintosh Laryngoscope Blade
- Sizes of the Anatomical B.O.C. Pattern Facemask for Anesthesia
- Sizes of Tracheostomy Tubes
- Sizes of the Laryngeal Mask Airway (LMA)
- Bandage Classification
- Electrocardiogram (ECG, EKG) Measurements
- Selection of a Scalpel Handle
- Types of Scalpel Blade
- Shapes of Surgical Needles
- Design Features of a Surgical Needle
- Size of the Simple Ring Pessary
- Uterine Loop Curettes
- Brun Round Bone Curette
- Scoville Units for Measuring Chile Heat
- Shrimp Sizes
- Determining Oral Calcium Intake Based on the Various Calcium Salts
- USDA Quality Grades for Beef
- USDA Yield Grades for Beef
- Rough Estimate of a Dietary Portion Using the Hand
- Fat Content of a Piece of Cheese
- Concentration of an Amino Acid
- Size of Chicken Eggs
- USDA Quality Grades for Chicken Eggs
- Calories for Chicken Eggs
- Terms for Canned Olives in the United States
- Fat Content in Dairy Products
- USDA Quality Grades for Ready-to-Cook Poultry
- Egg Size Equivalents
- Body Condition Score (BCS) for Beef Cows
- Dressing Percent for Cattle
- Estimating the Adequacy of Muscling in Cattle
- Calories in Various Dairy Products
- Grades of Milk
- Characteristics of a Cooking Oil at Various Temperature Points
- USDA Classes of Ducks
- USDA Classes of Turkeys
- USDA Classes of Chickens
- Relative Sweetness
- Using the Specific Gravity of an Aqueous Sugar Solution to Determine Its Degrees Brix or Degrees Plato
- Sizes of Oysters
- Heating Sugar and Candy Temperature
- Apple Sizes
- Caffeine Content of a Food or Beverage
- The 12-Interval Chromatic Scale
- Calculating the Sound Frequency for a Given Note
- Ranges for Voice Registers (Pitch Names)
- Oxygen Uptake and METs
- Power Output During Exercise Testing
- Body Weight Classes for a Professional Boxer
- Glove Sizes
- Thermal Insulation Value of Clothing
- Measuring a Woman for a Bra
- Hat Size
- Size of Infant Diapers
- Estimating Volume or Weight Using Density
- Converting Between Specific Gravity and the Baume Scales (Light and Heavy)
- Density of Various Organs and Tissues
- Exposed Volume of a Solid Floating in a Denser Liquid (Tip of the Iceberg)
- Conversion Between Saybolt Universal Seconds (SUS) and Kinematic Viscosity
- Reynold's Number (Re)
- Standard Sieve Designations
- Classification of Powder Fineness
- Codon Dictionary (Matching Codons to Amino Acids)
- Heating and Cooling Degree Days
- Measured and Relative Humidity at a Specified Temperature
- Water Hardness
- Snow
- Estimating the Density of Moist Air
- ASHRAE Thermal Sensation Scale
- Size of U.S. Coinage
- Ring Size
- Aprotinin Dose and Kallikrein Inhibitor Units (KIU)
- Alteplase Dose and Tissue Plasminogen Activator Units
- Dalteparin Dose and anti-Factor Xa International Units
- Conversion for Concentrations of D-Dimer (FEU, DDU)
- Units of Thrombin Concentration
- Units of Factor VIII Antibody (Inhibitor) Activity
- Heparin Activity Based on the Second International Standard
- Urokinase Activity Based on the First Reference Preparation
- International 35 mm Film Speed Ratings
- Duration of Flow from a Medical Gas Cylinder
- Duration of Gas Supply Based on Volume and Flow Rate
- Duration of Oxygen Supply in a Liquid Oxygen System
- Change in Pressure with a Gas Cylinder with Change in Temperature
- Percent Oxygen in a Mixture of Oxygen and Air
- Air-To-Oxygen Ratio and Total Output Flow If Oxygen Delivery Is Specified
- Calculating Oxygen and Air Flow If the Total Flow and Percent Oxygen Are Specified
- Features of Different Gas Cylinders
- Pressure and Temperatures in a Steam Autoclave
- McFarland Equivalence Turbidity Standards
- Turbidity of an Environmental Water Sample Based on the Turbidity of a Dilution
- Secchi Disk
- Conversion Between the ECOG and Karnofsky Performance Scales
- Karat
- Carat
- Mohs Hardness Scale for Minerals
- Hardness (Compressive Strength) of Rock Types
- Optic Disc Diameter
- Prism Diopter
- Transposition of a Cylindrical Lens for Correction of Astigmatism
- Types of Lenses Based on Shape
- Shotgun Gauge and Bore Diameter
- Conversion of Bullet Density
- Estimating a Shotgun's Gauge from the Size of a Spherical Shot Fitting the Bore Diameter
- Types of Choke for a Shotgun
- U.S. National Institute of Justice (NIJ) Levels of Body Armor
- Size of Iron Round Shot Cannon
- Types of Arrowheads
- Calculating the Cyclic Rate of Fire for a Gun Firing in Automatic
- Estimating the Distance to a Shooter Based on the Impact and Discharge Sounds ("Thump Crack")
- High versus Low Explosives and the Velocity of Detonation (VOD)
- Classification of Explosives By Sensitivity to Triggering Energy: Primary, Secondary and Tertiary Explosives
- Criteria for an Assault Rifle
- Units in the Dosage of Vitamin A and Carotenes
- Units in the Dosage of Vitamin D
- Units in the Dosage of Vitamin E
- L-Tryptophan and Niacin (Nicotinic Acid)
- Conversion of Alcoholic Drinks
- Conversion Involving Bottles of Alcoholic Beverages (Spirits, Wine, Other)
- Conversion of Alcoholic Solutions Based on Percent By Weight, Percent By Volume, and Specific Gravity from an Alcoholometric Table
- International Bitterness Units (IBU) for Beers and Ales
- European Union Classification for the Sweetness of Wine Based on the Amount of Residual Sugar
- Conversion of D Immune Globulin (RhoGAM) Units and Dosage Targets
- Conversion for IgE Concentrations
- Conversion for Concentrations of Insulin
- Conversion for Concentrations of Glucagon
- Conversion for Concentrations of ACTH (Corticotropin)
- Conversion of Concentrations of Lypressin (Vasopressin, 8-L-lysine)
- Cylindrical Batteries
- Fractions
- Logarithm Base Conversion
- Converting Units of Hepatitis C Viral (HCV) Load
- Converting Units of Hepatitis B Viral (HBV) Load
- Converting Units for Cytomegalovirus (CMV) DNA
- USP Glass Types
- Pencil Hardness Grading Scales
- Triboelectric Series
- Bone Mineral Density and T Score in an Adult Woman
- Converting Concentrations for Erythropoietin Using the First International Reference Preparation
- Converting Concentrations for Erythropoietin Using the WHO International Standard for Recombinant Erythropoietin
- C1 Esterase Inhibitor (C1-Inh)
- Speed of Sound in Dry Air and Temperature
- Speed in Mach
- Steel Rebar
- Sizes of Finishing Nails
- Moisture Content of Wood
- Dimensional Change in a Piece of Wood Following Water Absorption
- Anodic Index and Galvanic Corrosion of Metals (Dissimilar or Incompatible Metal Corrosion)
- Distance Associated with a Fall from a Building
- Sandpaper and Grit Size
- Classification for the Degree of Vacuum
- Ring Size of a Cigar
- Anti-Knock Index (AKI) and the Octane Rating of Gasoline
- Classification of Crude Oil
- American Petroleum Institute (API) Gravity
- Number of Barrels of Crude Oil Per Metric Ton
- Dog Years
- Sizes of Dogs
- Cat Years
- Efficiency of a Flush Toilet
- Carrying Capacity of a Small Boat
- Boating Density on a Lake
- Shoreline Development Factor (SDF) for a Lake
- Size of a Hazardous Materials Spill
- Bromelain
- Papain
- Types of Fish Hooks
- Fishing Line Strength
- Maximum and Curie Temperatures for a Magnet
- Types of Permanent Magnets
- Wentworth Classification of Sediments
- Phi Grade Scale
- Classes of the Environmental Protection Agency (EPA) for Comparable Automobiles
- Classification of Tampon Absorbency in the United States
- Disposable Sanitary Napkins (Mentrual Pads)
- Estimating the Duration of Scalp Hair Growth in an Adult
- Units of Penicillin G
- Staging the Ripening of a Banana
- Fatty Acids
- Classification of Water Flow from a Fresh Water Spring
- Weight of Dollar Bills
- Button (Disc, Watch, Coin) Batteries
- Grades of Steel Wool
- Paper Density in Grams per Square Meter (GPM, Grammage)
- Rust Grades
- Hardness of Wood
- Classification of Metropolitan Office Buildings
- Classes of Trailer Hitches
- The Lever
- Alpha Particle Emission (Alpha Activity) of Lead
- Hospital Emergency Codes
- Categories of Nagata et al for Slipperiness of a Surface
- Units of Pressure as Weight per Area
- Sizes of Tubigrip Tubular Elastic Bandages
- Pear Sizes
- Cherry Sizes
- Sizes of Potatoes in the United States
- Beef Temperature and How Well Cooked It Is
- Size of a Baseball Batting Glove
- Soccer Ball Size
- Angle of Sloped Armor
- Stand-Off Weapon
- Estimating the Cost for Alcohol in an Alcoholic Beverage
- Fortified Wine
- Wine Sweetness (Sweet versus Dry Wines)
- Conversion of Fiber Linear Mass Density: Tex vs Yield
- Board Foot
- Intensity of a Solar Flare
- Wing Loading
- Equation of Burton for Mean, Core and Skin Temperatures
- U.S. Federal Poverty Guidelines
- Walk Score
- Magnum Gun
- Determining the Slope and Intercept for a Line Between Two Data Points
- The Golden Ratio (Phi)
- Cord of Wood
- Flash Point, Fire Point and Autoignition Temperature of a Flammable Liquid
- Lower and Upper Explosive or Flammability Concentration Limits for a Flammable Vapor or Gas (LEL, LFL, UEL, UFL)
- “Max” Ships (Chinamax, Panamax, Suezmax)
- Classification of a Near-Earth Object (NEO) Asteroid Based on Its Orbit
- Twenty-Foot and Forty-Foot Equivalent Units for Shipping Containers (TEU, FEU)
- Dimensions of an Office Staple
- Weight in Tons (Short Ton, Long Ton, Metric Ton)
- Conversion Between Percentage and Absolute Count
- Obliquity Ratio in the View of a Circular Structure
- Bleomycin Dosing Units
- Anatomical Therapeutic Chemical (ATC) Classification of Drugs
- Rice Grain Size
- Types of Artillery
- Homemade Firearms
- English Wine Cask Sizes
- Truck Size Classification Based on Gross Vehicle Weight Rating (GVWR)
- Megacity
- Converting Hemoglobin Concentrations for the Fecal Immunochemical Test (FIT, FICT)
- Enzyme Activity of Lactase (beta-galactosidase, beta-d-galactosidase galactohydrolase)
- Pool Laps
- Conversion Between Grams of Alcohol and Standard Drinks
- Conversions for Growth Hormone (Somatropin)
- Elongation of a Rope Under Load
- Unit Conversion of Serum Hepcidin
- Radius and Diameter for a Circle's Area or Sphere's Volume
- Sizes of an Exercise Training Mask
- Levels of Protective Clothing for a HAZMAT Situation
- Sizing a Fully Encapsulated Suit
- Ear Plug Size
- Dieseling an Air Gun
- Plastic Resin Identification Codes (RIC)
- Intensity of Various Noises in Decibels
- Cladding Materials
- Flammability and Combustibility of Hazardous Materials
- Portable Ladder Duty Rating
- Mattress Sizes
- Delimiters for Height by Age at Data Entry
- Delimiters on Weight by Age for Data Entry
- Classes in Bluetooth Communication
- Rubber Insulating Gloves for Protection from Electrical Energy
- C-Reactive Protein (CRP) Unit Conversion
- Types of First Aid Kit Containers
- Sizes of Pederson Vaginal Speculums
- Classification of Soups
- Types of Ground Beef Based on Fat Content
- Grades of Sugarcane Molasses
- USDA Grades of Extracted Honey
- USDA Grades of Shelled Walnuts
- Grading of Olive Oil
- USDA Grades of Orange Juice
- USDA Grades of Apple Juice
- Number of Paces and Walking Distance
- Men's Shirt Collar Size
- Eyeglass Frame Size
- Knitting Needle Sizes
- Micronaire Reading for Evaluating Cotton Fibers
- "Sewing Machine Needles"
- Homemade Cutting and Stabbing Weapons (Shiv and Shank)
- Artillery Barrage
- ATF Classification of Explosive Magazines
- Volume of an Alcoholic Beverage Required to Reach an Alcohol Content of a Mixed Drink
- Alcohol Content of a Mixed Drink
- Classification of Aluminum Foil
- Roof Slope
- OSHA Soil Types for Trench or Excavation
- "Classifications of Wigs"
- Earth Orbits: Geocentric Orbits Classified By Altitude
- Temperature Storage Ranges, Including Refrigerator and Freezer
- World Health Organization Aging Rate for Populations
- World Health Organization (WHO) Classification for the Elderly (Older Adults)
- Lard, Sallow and Suet
- VPAM Ballistic Standard for Armor
- Tire Traction Grades
- Speedometer Error Related to Tire Diameter
- Reading the ISO Metric Tire Code
- Tire Speed Rating
- Credit Score
- S&P or Fitch Long-Term Bond Credit Rating Tier
- S&P or Fitch Short-Term Bond Credit Rating Tier
- Moody's Long-Term Bond Credit Rating Tier
- Moody's Short-Term Bond Credit Rating Tier
- Waterproof Clothing
- Threat Classes of a Handgun Bullet for Ballistic Protection
- Salute
- Building Height
- Tire Temperature Grade
- Tire Load Index
- Levels of Autonomous Vehicle
- Age on Two Separate Dates
- Embryologic Regions of the Alimentary Canal
- Units of Weight for Precious Metals Including the Troy Ounce
- Equation of Alibay et al for Conversion Between N T-proBNP and BNP
- Classification of Bandages
- Classification of Compression Stockings (Hosiery)
- USDA Grades of Oranges and Tangelos
- USDA Butter Grades
- Breathability of Clothing
- Medical Face Masks
- Types of Steam Including Superheated Steam
- Gun Silencer or Suppressor
- Barrel Length
- Bayonet
- Grades of Building Waterproofing
- Grades of Fuel Oil
- Hull Draft of a Ship
- Classification of Private Jet
- Selective Service Classification for the Military Draft
- Unit Size in the United States Army
- Officers in the United States Army
- Classifications of High-Efficiency Particulate Air (HEPA) Filters
- Classes of High-Visibility Safety Apparel (HVSA)
- Levels of Medical Gowns
- Equivalent Types of Filtering Facepiece (FFP) Masks
- Stopping Power of a Firearm
- Kinetic Energy and Momentum of a Bullet
- Cork Grades
- Freeboard of a Ship
- Zoning Laws
- Ultra-Low Particulate Air (ULPA) Filters
- Toothpaste Abrasiveness
- Distinction Between the Impedance Index and Resistance Index in Bioelectrical Impedance Analysis (BIA)
- Converting Parts per Million and Milligrams per Cubic Meter of Air with Inclusion of Temperature and Pressure
- Features Used to Classify Wheat Flour
- Factors Used to Grade Lamb and Mutton
- Classification of Forest and Wildfires
- Koeppen Climate Zones
- Electric Car Charging Levels
- Ethanol Content of Gasoline
- Grades of Toilet Paper
- Marine Security (MARSEC) Levels of the U.S. Coast Guard
- National Terrorism Advisory System (NTAS)
- Classification of Business Size
- Classification of Colleges and Universities
- Unit Conversion for the Urine Albumin to Creatinine Ratio (ACR)
- Categories of Beeswax
- USDA Grades of Peanut Butter
- Standards of the USDA for an Organic Crop
- Classification of the USDA for Foreign Material in Food
- USDA Grades of Shelled Virginia Type Peanuts
- USDA Grading of Cabbage
- Pressure Cooker
- USDA Plant Hardiness Zones
- Windsock as an Indicator of Wind Speed and Direction
- Liquidity
- Force Ratio in a Military Operation
- Classification of Environmental Water Salinity, from Fresh to Brackish
- USDA Classification of Salt and Sodium Content of Canned Tuna
- USDA Classification of Defects in Canned or Pouched Tuna
- Oven Temperatures
- Types of Coal
- Classification of Work Involving Asbestos Containing Materials
- Pronase
- Home Owners' Loan Corporation (HOLC) and Redlining
- Deities (Orishas) of Santeria
- Artifacts for the Deities (Orishas) of Santeria
- Robot Density
- USDA Grading of Florida Avocados
- Fruit and Produce Baskets
- Ripeness of Produce
- Grading Pearls
- Alkanes and Petroleum Products
- Orbit Synchronicity
- Eccentricity Classification of Orbits
- Communication Channels Formula
- Dominance Hierarchy in Social Groups
- Mesh Sizes of Black Pepper
- Commercial Classification of Black Pepper
- Grading of Saffron
- Anniversary
- Centric Classification of Orbits
- Tonicity of a Solution Relative to Serum
- Bra Sister Size for US and UK
- Alcoholic Drinks, Calories and Grams of Ethyl Alcohol
- Classes of Impact Resistance for Roof Shingles
- CAT Safety Ratings
- Electric Ingress Protection (IP) Code: Protection Against Solid Objects
- Electric Ingress Protection (IP) Code: Protection Against Water
- Classes of Recreational Vehicles (RVs) and Travel Trailers
- Voting Majority and Supermajority
- Quality Grading of Whole Nutmeg
- United States Department of State Travel Advisories