YardstickCalc · United States edition
Calculators that give the answer before you finish typing
Free calculators, converters and quick answers — built for the U.S. Results update as you type, work on your phone, and show exactly how they were calculated.
10 calculators published · every formula sourced and tested
Browse by category
01 · 7 calculators
Home & Construction
Gravel, mulch, concrete, square footage and other material estimates.
All 7 construction calculators02 · 3 calculators
Math
Percentages, fractions and everyday arithmetic with worked steps.
In preparation
Time & Date
Durations, dates, countdowns and quick answers about the calendar.
In preparation
Work & Pay
Time cards, hours worked, overtime and pay conversions.
In preparation
Unit Conversions
Length, weight, volume, temperature and cooking conversions with exact factors.
Popular calculators
- Board Foot CalculatorBoard feet, linear feet and cost for a whole lumber list, by nominal size.
- Concrete CalculatorCubic yards and 40–90 lb bags for slabs, footings, post holes and stairs.
- Cubic Yards CalculatorCubic yards to order for beds, fill and holes, with a different depth for each area.
- Fraction CalculatorAdd, subtract, multiply and divide up to five fractions or mixed numbers, every step shown.
- Gravel CalculatorCubic yards, tons and bags for one or several areas, with waste included.
- Mulch CalculatorBags and cubic yards of mulch for beds and tree rings, including a top-up over old mulch.
- Paint CalculatorGallons and quarts of paint for rooms, walls and ceilings, minus doors and windows.
- Percent Off CalculatorSale price after one or several discounts — % or $ off — plus sales tax.
Why trust these calculators
01
Checked against primary sources
Unit factors from NIST, labor rules from the U.S. Department of Labor, material data from manufacturers. Every worked example becomes an automated test. How we test.
02
Built for the phone in your hand
The calculator is the first thing on the screen, the result updates as you type, and you can copy, share or print it.
03
No sign-up, no paywall
Free to use. Ads pay for the site; they never sit between the title and the calculator. Editorial policy.