All Dosage Calculators
Browse our complete collection of 37 free dosage calculators for healthcare professionals, pet owners, and caregivers.
General Dose Math Calculators
5 calculators
mg/kg Calculator
Calculate medication dosage based on body weight using the mg/kg formula. Essential for weight-based dosing in pediatric and adult medicine.
mg ↔ mL Calculator
Convert between milligrams (mg) and milliliters (mL) using medication concentration. Essential for liquid medication dosing.
Dosage Calculator
Calculate medication doses using the nursing formula: Desired/Have × Quantity. Perfect for nursing students and healthcare professionals.
Tylenol by Weight
Calculate the correct Tylenol (acetaminophen) dose based on body weight. Safe dosing for children and adults using mg/kg guidelines.
Ibuprofen by Weight
Calculate the correct ibuprofen (Advil/Motrin) dose based on body weight. Safe dosing for children and adults using mg/kg guidelines.
Pediatric Calculators
5 calculators
Amoxicillin 400mg/5mL
Calculate the correct mL dose of amoxicillin 400mg/5mL suspension for children based on weight. Includes standard and high-dose options.
Infant Tylenol
Calculate the correct dose of Infant Tylenol (acetaminophen 160mg/5mL) based on your baby's weight. Safe dosing for infants and toddlers.
Amoxicillin 250mg/5mL
Calculate the correct mL dose of amoxicillin 250mg/5mL suspension for children based on weight. Standard concentration for pediatric use.
Children's Motrin
Calculate the correct dose of Children's Motrin or Advil (ibuprofen 100mg/5mL) based on your child's weight. Safe dosing for children 6 months and older.
Amoxicillin 125mg/5mL
Calculate the correct mL dose of amoxicillin 125mg/5mL suspension for infants and young children based on weight.
Veterinary Calculators
5 calculators
Gabapentin for Dogs
Calculate the correct gabapentin dose for your dog based on weight. Includes dosing for pain, anxiety, and seizures with dosage chart.
Trazodone for Dogs
Calculate the correct trazodone dose for your dog based on weight. Used for anxiety, sedation, and behavioral issues with dosage chart.
Gabapentin + Trazodone Combo
Calculate combined gabapentin and trazodone doses for dogs. Popular combination for vet visits, anxiety, and post-surgery sedation.
Prednisone for Dogs
Calculate the correct prednisone dose for your dog based on weight. Includes anti-inflammatory and immunosuppressive dosing with tapering guide.
Zyrtec for Dogs
Calculate the correct Zyrtec (cetirizine) dose for your dog based on weight. Used for allergies, itching, and skin conditions with dosage chart.
Cannabis Calculators
4 calculators
Edible Calculator
Calculate the right THC edible dose based on your experience level and desired effects. Includes dosage guide for beginners to experienced users.
CBD Calculator
Calculate your ideal CBD dose based on body weight, condition, and product strength. Includes dosing guide for sleep, anxiety, and pain.
CBD for Sleep
Calculate the optimal CBD dose for sleep based on your weight and sleep issues. Includes timing recommendations and dosage guide.
CBD for Anxiety
Calculate the optimal CBD dose for anxiety and stress based on your weight and anxiety type. Includes daily and as-needed dosing recommendations.
Microdose Calculators
4 calculators
Psilocybin Microdose
Calculate dry weight capsules and portioning for psilocybin mushrooms (Cubensis). Precise milligram conversion for microdosing protocols.
LSD Microdose
Calculate precise LSD microdoses using volumetric dosing. Convert tab strength to liquid solution for accurate microgram measurements.
THC Microdose
Calculate precise THC microdoses for therapeutic benefits without intoxication. Includes tolerance and experience level adjustments.
MDMA Microdose
Calculate MDMA microdoses based on body weight. Includes harm reduction guidelines and timing recommendations.
Peptides Calculators
9 calculators
Peptide Reconstitution
Calculate the correct amount of bacteriostatic water to add to peptide vials. Get precise mcg per tick mark for insulin syringes.
BAC Water
Calculate how much bacteriostatic water to add for your desired peptide concentration. Optimize reconstitution for easy dosing with insulin syringes.
BPC-157
Calculate precise BPC-157 reconstitution ratios and dosages. Enter your vial size and desired dose to get exact mL and insulin unit measurements.
mcg to Units
Convert peptide doses from micrograms (mcg) to insulin syringe units. Essential tool for accurate peptide dosing with U-100 syringes.
Retatrutide
Calculate Retatrutide reconstitution and weekly dosing. Triple agonist (GLP-1/GIP/Glucagon) peptide calculator with titration schedule.
Semaglutide
Calculate Semaglutide reconstitution and weekly dosing. Determine precise volumes for titration schedules from 0.25mg to 2.4mg weekly doses.
TB-500
Calculate TB-500 reconstitution and dosing. Determine precise volumes for loading and maintenance phases with this research peptide calculator.
Tirzepatide
Calculate Tirzepatide reconstitution and weekly dosing. Dual agonist (GLP-1/GIP) peptide calculator with proper titration schedule from 2.5mg to 15mg.
TRT/HRT
Calculate testosterone and hormone replacement therapy dosages. Convert mg to mL and insulin syringe units for various oil-based concentrations.
Household Calculators
5 calculators
Fertilizer
Calculate how much fertilizer to apply to your lawn. Enter your lawn size and fertilizer NPK ratio to get precise application rates.
Lawn Seed
Calculate how much grass seed you need for new lawns or overseeding. Supports various grass types with recommended seeding rates.
Pool Chlorine
Calculate the exact amount of chlorine needed for your pool. Supports liquid chlorine, granular shock, and chlorine tablets with pool volume in gallons or liters.
Pool pH
Calculate how much pH increaser (soda ash) or pH decreaser (muriatic acid) to add to your pool. Balance your water chemistry for optimal chlorine effectiveness.
Pool Volume
Calculate your pool's water volume in gallons or liters. Supports rectangular, round, oval, and kidney-shaped pools with variable depths.