GiveMeCalculators

Enter the length and width of any space to instantly calculate its area in square feet, plus square meters, square yards, and acres.

Enter the length and width in metres to instantly calculate the area in square meters (m²), plus square feet, square yards, and acres.

Enter the length, width, and depth of your area to find out how many cubic yards of material (concrete, gravel, mulch, or soil) you need.

Enter the length, width, and depth in metres to find the volume in cubic meters (m³), plus cubic feet and cubic yards.

Enter the length, width, and thickness of your paving area to estimate how many tons of hot-mix asphalt you need, based on the standard 145 lb/ft³ density used by suppliers.

Enter the length and width of your lawn to find how many square feet, rolls, and pallets of sod you need. A standard roll covers 10 ft² and a pallet covers about 450 ft².

Enter the length, width, and depth of your area to find how many cubic yards and tons of pea gravel you need. Pea gravel weighs about 100 lb/ft³ (≈1.35 tons per cubic yard).

Enter the total wall and ceiling area you need to cover to find how many sheets of drywall to buy. A 4×8 sheet covers 32 ft² and a 4×12 sheet covers 48 ft².

Enter the area you need to cover to find how many 4×8 sheets of plywood to buy. Each 4×8 sheet covers 32 square feet.

Enter your wall's length and height to find how many bricks you need. A standard modular brick with a 3/8-inch mortar joint covers about 7 bricks per square foot.

Enter the length and width of your room to find how much flooring to buy, including the 10% (straight) and 15% (diagonal) waste allowances recommended by the National Wood Flooring Association.

Enter the length, width, and depth of your area to find how many cubic yards and tons of gravel you need. Gravel weighs about 105 lb/ft³ (≈1.42 tons per cubic yard).

Enter your fence length, height, and post spacing to find how many posts, sections, and rails you need. Posts are usually spaced 8 feet apart.

Enter your deck size, board width, and joist spacing to estimate how many decking boards, joists, and screws you need. Assumes 16 ft boards with a 10% waste allowance.

Enter your deck size, board width, the gap between boards, and the board length to find how many deck boards you need. Boards run along the length; the gap is the air space left between them, usually 1/8 inch.

Enter your room size and tile size to find how many tiles you need, including a 10% allowance for cuts and breakage. A 12×12-inch tile covers one square foot.

Enter your wall's length and height to find how many concrete blocks (CMUs) you need, plus the mortar bags. A standard 8x8x16 block with a 3/8-inch mortar joint covers 1.125 blocks per square foot of wall.

Enter the wall or ceiling area you need to insulate and the coverage printed on the insulation bag to find how many bags or batts to buy. Coverage per bag depends on the R-value, so use the figure on the label.

Enter the length, width, and depth of your area to find how many cubic yards, 40 lb bags, and tons of topsoil you need. Screened topsoil weighs about 1.1 tons per cubic yard.

Enter the length, width, and depth of your bed to find how many cubic yards and bags of mulch you need. Mulch is sold by the cubic yard and in 2 or 3 cubic foot bags, with 2–3 inches the usual depth.

Enter your slab's length, width, and thickness along with local ready-mix concrete and labor prices to estimate the material cost, labor cost, and total cost of pouring a concrete slab.

Enter an area in square feet to convert it to square meters.

Enter an area in square meters to convert it to square feet.

Enter an area in square feet to convert it to acres.

Enter an area in acres to convert it to square feet.

Enter an area in square feet to convert it to square yards.

Enter an area in square yards to convert it to square feet.

Enter a volume in cubic feet to convert it to cubic yards.

Enter a volume in cubic yards to convert it to cubic feet.

Enter an area in hectares to convert it to acres.

Enter an area in acres to convert it to hectares.

Enter an area in square inches to convert it to square feet.

Enter an area in square meters to convert it to acres.

Square feet measures area, and cubic feet measures volume, so there's no fixed ratio between them: you also need a depth. Enter your area and a depth to get cubic feet and cubic yards.

Square feet measures area, and linear feet measures length, so there's no fixed ratio between them: you also need the board or plank width. Enter your area and board width to get the total linear feet.

Enter a date of birth and the date to measure from (today by default) to get the exact chronological age in years, months, and days, plus the totals in months, weeks, and days.

Enter two dates of birth to find the exact age gap between two people, in years, months, and days. The order you enter them in doesn't matter.

Enter your birthday to find your half birthday: the date exactly six months from the day you were born.

Enter your step count and stride length to convert steps into miles, kilometers, feet, and meters. If you do not know your stride, enter your height instead and the calculator estimates it for you.

Enter your step count and weight to estimate the calories you burned walking. Add your height for a more accurate stride, or leave it blank to use the average adult stride.

Enter your body weight and how far you ran to estimate the calories you burned, along with the calories burned per mile and per kilometer. Running burn depends mostly on your weight and distance, not your speed.

Enter your weight, body-fat percentage, and height to get your fat-free mass index (FFMI) and normalized FFMI. FFMI measures how much muscle you carry for your height, independent of body fat.

Enter your weight, height, age, and sex to estimate your basal metabolic rate (BMR), the calories your body burns at complete rest. This calculator uses the Mifflin-St Jeor equation, the formula most dietitians consider the most accurate available.

Enter your weight, height, age, sex, and activity level to find your total daily energy expenditure (TDEE), the calories you burn in an average day including activity. This is the number most people actually want when they search for a calorie calculator.

Enter your daily calorie target and body weight to split your calories into protein, carbs, and fat targets in grams. Protein is set at 1 gram per pound of bodyweight, a standard fitness benchmark, with the remainder split between fat and carbs.

Enter your sex, height, and neck, waist, and hip circumferences to estimate your body fat percentage using the US Navy circumference method, a tape-measure formula that needs no calipers or scans.

Enter the weight you lifted and how many reps you completed to estimate your one-rep max (1RM), the heaviest weight you could lift for a single rep. This calculator uses the Epley formula, the most widely used 1RM estimator.

Enter the distance you ran and your total time to find your pace per mile, pace per kilometer, and average speed. Useful for planning race splits or checking training paces.

Enter your weight, how long you exercised, and the type of activity to estimate the calories you burned. This general calculator covers walking, running, cycling, swimming, weightlifting, yoga, and HIIT using standard MET (metabolic equivalent) values.

Enter your shares, share price, and annual dividend per share to get your annual income, dividend yield, and yield on cost. Turn on the projection to see how DRIP and dividend growth compound over time.

Enter your current balance, a lump-sum payment, your interest rate, and the years left on the loan. The calculator re-amortises the smaller balance over the same term to show your new monthly payment and the interest you save.

Enter the annual rental income, yearly operating expenses, and the property value or purchase price. The calculator returns the capitalization rate, net operating income, and gross rental yield so you can compare investment properties.

Enter your regular hourly rate, your normal hours, and your overtime hours. The calculator works out your time-and-a-half rate, your overtime pay, and your total pay for the period.

Enter your current pay and the percentage raise you are getting or asking for. The calculator returns your raise amount, your new pay, and how much more that works out to each month.

Enter your cost and the markup percentage to get the selling price, the profit per unit, and the resulting profit margin. Markup and margin are not the same number, and this shows both.

Enter your net 1099 income and your estimated effective income-tax rate to see your self-employment tax, income tax, total tax, and what to set aside each quarter. Figures are an estimate before deductions and credits.

Enter your monthly rent, the number of days in the month, and how many days you will occupy the unit. The calculator returns the prorated rent for that partial month and the daily rate it is based on.

Enter the weight of your gold, its karat, and the current gold spot price per troy ounce. The calculator returns the melt value and the pure gold content. Look up today's spot price, as it changes constantly.

Enter your bill amount, the tip percentage you want to leave, and the number of people splitting the check. The calculator returns the tip amount, the total bill, and exactly what each person owes.

Enter the price of an item and your local combined sales tax rate to get the exact tax amount and total cost. Sales tax rates vary by state, county, and city, so enter your own local combined rate for an accurate result.

Enter your gross pay for a pay period and your estimated federal and state effective tax rates to get a quick estimate of your FICA withholding, total tax, and net take-home pay. This is a simplified flat-rate estimate, not an exact payroll calculation.

Enter your Series EE bond's purchase price, its fixed annual rate, the purchase date, and the date to value it as of. The calculator compounds the rate semiannually and applies the Treasury's 20-year doubling guarantee to estimate the current redemption value.

Enter the grade and the weight for each assignment or category, and the calculator returns your overall weighted grade. Weights do not have to add up to 100; the result is normalized either way.

Enter the grade points and credits for each class to get your GPA on the 4.0 scale. Use 4 for an A, 3 for a B, 2 for a C, and so on, and use higher points for weighted honors or AP classes.

Enter your two quarter grades and your final exam score, with the weight of each. The calculator combines them into your overall semester grade. The default weights (40/40/20) match the most common US high school setup.

Enter your raw score to see it adjusted by the three most common curve methods: scaling to the highest score in the class, adding flat bonus points, and the square-root curve. Compare the results side by side.

Enter how many multiple-choice questions you got right and your free-response points to estimate your AP exam score on the 1 to 5 scale. The cutoffs are approximate, because College Board recurves every exam each year.

Enter your current grade, the overall course grade you want, and how much the midterm is worth. The calculator returns the score you need on the midterm, plus the best and worst course grades the midterm can still produce.

Enter your prior cumulative GPA and the credits behind it, then add each new term's GPA and credits. The calculator credit-weights them into your new cumulative GPA. Leave a term blank (0 credits) to skip it.

Enter your current grade in the class, the overall course grade you want, and how much the final exam is worth. The calculator returns the score you need on the final, plus the grade your non-final work has already locked in.

Enter the grade points and credit hours for up to 8 classes to get your GPA on the 4.0 scale. Built for a full college semester, use it to track a major's course load, a single term, or any mix of classes with different credit hours.

Enter your puppy's current weight and age in weeks to estimate how big it will be full-grown. The estimate uses the growth-rate method: adult weight is roughly the current weight divided by the age, times 52.

Enter your dog's age in years to get its human age equivalent, using a real aging-rate formula instead of the old "multiply by 7" myth. You'll also see its life stage and how many human years it's aging this year.

Enter your cat's age in years to get its human age equivalent, using the standard veterinary aging chart. You'll also see its life stage and how many human years it's aging this year.

Type your text below to turn it into cursive, script, bubble, and other fancy styles you can copy and paste straight into Instagram bios, TikTok, Discord, and anywhere else.

Click the button to generate random last names for characters, stories, usernames, and games. Tap any name to copy it.

Click the button to generate random first names for characters, stories, usernames, and games. Tap any name to copy it, or pair it with a surname for a full name.

Click the button to generate random Japanese names in kanji with their romaji reading, for characters, anime OCs, stories, and games. Tap any name to copy it.