Skip to main content
Check Your Symptoms
Find A Doctor
Find Lowest Drug Prices
Health
A-Z
Health A-Z
Health A-Z
Common Conditions
ADD/ADHD
Allergies
Arthritis
Cancer
Cold, Flu & Cough
Depression
Diabetes
Eye Health
Heart Disease
Lung Disease
Pain Management
Sexual Conditions
Skin Problems
Sleep Disorders
View All
Resources
Symptom Checker
Expert Blogs and Interviews
Podcasts
Message Boards
Questions & Answers
Insurance Guide
Find a Doctor
Featured Topics
Slideshow
Get Help for Migraine Relief
Slideshow
Things That Can Hurt Your Joints
Drugs &
Supplements
Drugs & Supplements
Drugs & Supplements
Find & Review
Drugs
Supplements
Tools
Manage Your Medications
Pill Identifier
Check for Interactions
Drug Basics & Safety
Commonly Abused Drugs
Taking Meds When Pregnant
Featured Topics
Slideshow
Vitamins You Need as You Age
Slideshow
Supplements for Better Digestion
Living
Healthy
Living Healthy
Living Healthy
Diet, Food & Fitness
Diet & Weight Management
Weight Loss & Obesity
Food & Recipes
Fitness & Exercise
Beauty & Balance
Healthy Beauty
Health & Balance
Sex & Relationships
Oral Care
Living Well
Women's Health
Men's Health
Aging Well
Healthy Teens
Fit Kids
Featured Topics
Slideshow
Working Out When You're Over 50
Slideshow
Tips to Help You Stop Wasting Time
Family &
Pregnancy
Family & Pregnancy
Family & Pregnancy
All About Pregnancy
Getting Pregnant
First Trimester
Second Trimester
Third Trimester
View All
Parenting Guide
Newborn & Baby
Children's Health
Children's Vaccines
Raising Fit Kids
View All
Pet Care Essentials
Healthy Cats
Healthy Dogs
View All
Featured Topics
Expert Blog
Dangers After Childbirth -- What to Watch For
Video
3 Things to Keep in a Diaper Bag
News &
Experts
News & Experts
News & Experts
Health News
CDC Warns of Polio-Like Virus
Should Drug Costs Be in TV Ads? Opinions Clash
What's the Right Amount of Sleep?
Diabetes: Obesity Surgery May Lower Heart Risk
Can Fasting Help Reverse Type 2 Diabetes?
Experts & Community
Message Boards
Expert Blogs
News Center
Featured Topics
Special Report
America's Pain: The Opioid Epidemic
Newsletters
Sign Up to Receive Our Free Newsletters
Mobile Apps
Subscriptions
Sign In
Subscribe
My Profile
My Tools
My WebMD Pages
My Account
Sign Out
Top 12 Topics
RSV Symptoms
Ewing's Sarcoma
Chronic Spontaneous Urticaria
Epstein-Barr Virus
Parkinson's Disease
Asthma
Birth Control Options
Common Lung Problems
Depression Symptoms
Migraine Headaches
Your Nails, Your Health
All About Your Liver
Medical Dictionary
Kilometer
[ki-lom-i-ter]
1,000 meters -- or 0.62 miles -- in the metric system.
Health Solutions
Health in Young Adults
Open Heart Alternatives
Travelers Diarrhea
21st Century Cures
How to Save a Life
Care for Aortic Stenosis?
Nutritious Smoothies
Family Wellness
Consider Clinical Trials
Bent Fingers?
Delicious Alternative to Milk
Tips to Beat Heartburn
Treat Type 2 Diabetes
Rehabilitation Services
What is TAVR?
More from WebMD
Test Your Eye Health
Uncontrolled Movements With Your Meds?
Immunotherapy for Cancer
Yeast Infection Assessment
How Does Chemo Work?
Before You Get Pregnant
Food After Chemo
What Meningitis Does to Your Body
Managing Diabetes at Work
Pregnancy After 35
Avoid Allergy Triggers
Treating Advanced Prostate Cancer
Protect Yourself from a Bone Fracture