Biology Tools
Free online biology calculators and converters for students, researchers, and professionals. Calculate biological measurements and conversions with ease.
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Explore our complete collection of free online tools
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Animal Biology Tools
Dog Pregnancy Calculator
Calculate the due date and gestation period for pregnant dogs. Track pregnancy stages and prepare for whelping.
Use ToolDog Size Calculator
Estimate your dog’s adult size based on breed, current weight, and age. Perfect for puppy owners.
Use ToolDog Age Calculator
Convert your dog’s age to human years and understand their life stage based on breed and size.
Use ToolCat Age Calculator
Calculate your cat’s age in human years and understand their developmental stages.
Use ToolAnimal Weight Converter
Convert between different weight units for animals – pounds to kilograms, ounces to grams, and more.
Use ToolAnimal Height Converter
Convert animal height measurements between inches, centimeters, hands, and other units.
Use ToolHuman Biology Tools
Height Calculator
Calculate height percentiles, predict adult height, and convert between different height measurement systems.
Use ToolBMI Calculator
Calculate your Body Mass Index to assess weight status and health risks associated with weight.
Use ToolCalorie Deficit Calculator
Calculate the calorie deficit needed for weight loss based on your goals, activity level, and metabolism.
Use ToolWalking Calorie Calculator
Estimate calories burned during walking based on distance, speed, duration, and body weight.
Use ToolSteps to Calories Calculator
Convert steps walked to calories burned based on your weight, stride length, and walking intensity.
Use ToolSteps to Miles Calculator
Convert steps to distance in miles or kilometers based on your stride length and walking pace.
Use ToolLaboratory & Measurement Tools
MCG to IU Converter
Convert between micrograms (MCG) and International Units (IU) for vitamins and supplements.
Use ToolMicrograms to Milligrams Converter
Convert between micrograms (μg) and milligrams (mg) for precise laboratory measurements.
Use ToolMilliliters to Microliters Converter
Convert between milliliters (mL) and microliters (μL) for liquid measurements in laboratory settings.
Use ToolMilligrams to Milliliters Converter
Convert between milligrams (mg) and milliliters (mL) for medications and solutions with known densities.
Use ToolCelsius to Fahrenheit Converter
Convert temperature measurements between Celsius and Fahrenheit for laboratory and environmental use.
Use ToolCentimeters to Inches Converter
Convert length measurements between centimeters and inches for biological specimens and research.
Use ToolPlant Biology Tools
Plant Growth Calculator
Calculate plant growth rates, predict harvest times, and track development stages for various plant species.
Use ToolWatering Calculator
Calculate optimal watering schedules and volumes for different plant types based on environmental factors.
Use ToolPlant Spacing Calculator
Calculate optimal spacing between plants for gardens and agricultural fields based on species and growth habits.
Use ToolLight Requirement Calculator
Determine optimal light exposure for different plant species and calculate artificial lighting needs.
Use ToolWhy Use Our Biology Tools
Professional-grade tools designed for students, researchers, and biology enthusiasts
Scientifically Accurate
All our biology tools are based on established scientific formulas and research-backed calculations.
Secure & Private
Your data is processed locally and never stored on our servers. All calculations happen in your browser.
Mobile Friendly
Access our biology tools on any device – perfect for field research and classroom use.
Regular Updates
We continuously improve our tools based on user feedback and the latest scientific research.
Completely Free
All our biology tools are free to use with no hidden costs, registration, or limitations.
Educational Resources
Each tool includes explanations of the underlying biology concepts and calculation methods.
Ready to Explore Biology?
Start using our free biology tools today for your research, studies, or personal projects. No registration required.
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