HVAC calculators
Choose a focused calculator for hvac planning, estimation, and decision-making.
24 calculators available
-
HVAC Percentage Calculator
Compute percentages, percent of, percent change, and percent add/subtract for hvac planning.
-
HVAC Tip Calculator
Calculate tip amount, total bill, and amount per person when splitting a check.
-
HVAC Discount Calculator
Compute final price after a discount, with optional sales tax, plus total savings.
-
HVAC Markup Calculator
Compute markup amount and markup percentage from cost and selling price.
-
HVAC Margin Calculator
Compute gross profit and margin percentage from revenue and cost.
-
HVAC Ratio Calculator
Simplify a ratio to lowest terms and show the equivalent unit ratio.
-
HVAC Average Calculator
Compute the mean, sum, and count of a set of numbers.
-
HVAC Unit Converter
Convert length, weight, and volume between metric and imperial units.
-
HVAC Age Calculator
Compute exact age in years, months, and days from a date of birth.
-
HVAC Date Difference
Calculate the number of days, weeks, and calendar months between two dates.
-
HVAC Time Duration
Add hours and minutes, with carry-over into a total duration.
-
HVAC BMI Calculator
Compute body mass index from weight and height, with category interpretation.
-
HVAC BMR Calculator
Estimate basal metabolic rate using the Mifflin-St Jeor equation.
-
HVAC TDEE Calculator
Estimate total daily energy expenditure from BMR and activity level.
-
HVAC Body Fat Estimate
Estimate body fat percentage from BMI, age, and sex using a validated approximation.
-
HVAC Calories Burned
Estimate calories burned during physical activity using MET values.
-
HVAC Water Intake
Estimate recommended daily water intake from body weight and activity.
-
HVAC One Rep Max
Estimate one-repetition maximum strength from a submaximal set using the Epley formula.
-
HVAC Target Heart Rate
Compute target heart rate zones using the Karvonen method.
-
HVAC Macro Split
Convert a calorie target into grams of protein, carbs, and fat.
-
HVAC Ideal Weight
Estimate a healthy body weight range from height and sex (Devine method).
-
HVAC Concrete Volume
Cubic yards of concrete for a slab, footing, or column.
-
HVAC Paint Coverage
Gallons of paint needed for a wall area and number of coats.
-
HVAC Ohm's Law
Solve for voltage, current, resistance, or power.