Use the Tv Size Room Calculator to turn your room length into a recommended TV size range, based on the 1.5 to 2.5 viewing guideline.

Use the Tv Size To Distance Calculator to find the ideal viewing distance in feet for your screen size, whether your TV is 1080p or 4K.

Estimate your body fat with the Army Abcp Calculator, compare it to your age group limit, and see if you meet the ABCP standard.

Find your maximum screening weight with the Army Ht Wt Calculator using your sex, age, and height before your next official weigh-in.

Use the Triangle Missing Side Calculator to find the hypotenuse or a missing leg of any right triangle from two known sides, fast.

Solve SSA triangles fast with the Triangle Side And Angle Calculator. Enter two sides and one known angle to find the remaining parts.

Find the third side and type of a triangle with the Triangle Sides Calculator. Enter two sides plus the perimeter to solve side c.

Find any missing interior angle with the Missing Angle Calculator. Enter the number of sides and the sum of the known angles.

Use the Tv Calculator to turn any screen diagonal into real width, height and viewing area for 16:9 and 4:3 TVs before you buy.

Use the Tv Size Calculator to find any screen diagonal from its width and height, and identify the true size class of any TV or monitor.