Explainers & How-Tos

Friendly, practical answers to the questions behind our calculators.

• Cups to Grams: Why One Cup Is Never One NumberA cup of flour weighs 125 g and a cup of honey 340 g. Here is what each pantry staple really weighs, and when it is worth reaching for a scale.
• BMI vs. Body Fat Percentage: What Each Number Can Tell YouBMI compares weight with height. Body fat percentage estimates how much of that weight is fat. When each one is useful and where each one misleads.
• How Many Steps Are in a Mile? It Depends on Your HeightMost adults take 2,000 to 2,500 steps to walk a mile. See the figure for your height, how far 10,000 steps really is, and how many calories it burns.