Mowing Calculators
Free tools for the sizing questions that come up before you buy a mower. They run in your browser, store nothing, and each page shows the formula, a worked example and the assumptions behind it, so you can check the math by hand.
Mower MatcherFive questions about your land and budget, one mower type and deck width range, with matching guides.Mowing Time CalculatorLawn size, deck width and speed in; minutes per mow out. Or work backward from the time you want to spend.Slope CalculatorTurn rise and run, or a phone level reading, into degrees and percent, then compare it with typical mower slope ratings.Mower vs Lawn Service Cost CalculatorCompare what a lawn service charges with owning a mower and find the break-even point in seasons.
What the tools do
- Mower Matcher: answer questions about your acreage, slopes, obstacles, budget, gas or battery and towing, and get a recommended mower type, a deck width range and the guides to read next.
- Mowing Time Calculator: enter your lawn size, deck width, mowing speed, overlap and obstacles to estimate minutes per mow, or enter the time you want to spend and get the minimum deck width.
- Slope Calculator: turn rise and run, or an angle from a phone level app, into degrees and percent, and see how it compares with typical riding mower slope ratings.
- Mower vs Lawn Service Cost Calculator: enter your own lawn service quote and see how many seasons a mower takes to pay for itself.
The values inside the tools (mowing speeds, obstacle factors, slope bands, price tiers) are planning figures drawn from common rules of thumb. Always confirm against the manual and specifications of the exact machine you buy, especially its maximum slope rating.
Prefer to browse? Every guide is sorted by acreage.