Tools in Conversion
Unit and area converters: work out square footage for renovations, paint, flooring and land without mistakes.
- Board Foot Calculator (Lumber Volume & Cost)Work out the board feet of any board from thickness, width and length, multiply by the piece count and estimate the cost per board foot.
- Dog Years Calculator: convert dog age to human yearsConvert your dog's age to human years with the 2019 UC San Diego science formula, not the old times-7 myth. Adjust for size and get the result instantly.
- Luggage Size Checker (Carry-On and Checked)Add your bag's length, width and height to get the linear inches and instantly see if it fits as carry-on (≤45 in) or checked luggage (≤62 in linear).
- Pool salt calculator for saltwater poolsWork out how many pounds and 40-lb bags of salt to add to your saltwater pool from the gallons, the current ppm, and the target ppm of your chlorinator.
- Sod Calculator (Rolls and Pallets)Work out how many rolls of sod you need from the length and width of your lawn, with a waste allowance and the number of pallets to order.
- TopSquare footage calculatorMultiply length by width to get square footage instantly, with automatic conversion to square meters and square yards. Works in feet or meters, free.
- Stone Calculator (Tons of Gravel & Rock)Work out how many tons of gravel, crushed stone or sand you need from the length, width and depth of your area, with the cubic yards and weight in pounds.