Tools
Tools
Simple tools that run in your browser. We never ask for your name, email or phone.
BMI calculator
Body mass index (BMI) is a quick way to compare your weight to your height.
Open the tool ›Clinical studies near you
See how many clinical studies are looking for volunteers right now, by health condition and state.
Open the tool ›Sleep calculator
Pick the time you need to wake up, or the time you're going to bed, and we'll suggest times that line up with the natural rhythm of sleep.
Open the tool ›Questions for your doctor
Appointments go fast.
Open the tool ›Study visit planner
Before you join a study, it helps to know what it will really take.
Open the tool ›Clinical trial finder
Search research studies that are recruiting near your ZIP code, using official listings from ClinicalTrials.gov.
Start a study search ›