Free Tools & Calculators
About these tools
Free, fast tools from GarageHow. Every tool runs right in your browser: free, no sign-up, nothing to install, and nothing you type is sent anywhere. Tap “Use it here” to try one on this page, or open its full page for the guide.
12 tools
Bottle Jack Reach & Capacity Selector
Checks a bottle jack's ton rating, closed height and reach (stroke + extension screw) against your vehicle's lift-point load and height.
Car Ramp Angle & Length Calculator
Find a car ramp's angle, percent slope and length from its rise, and the ramp length needed to stay within a low car's approach angle.
Engine Hoist Boom Capacity Checker
Compare engine weight with your hoist's data-plate rating at each boom position: utilization, margin and the longest position within rating.
Flat Tire Scissor Jack Height Checker
Enter your flat-tire clearance, lift and vehicle weight to see if a scissor jack fits under, reaches high enough and is rated for the load.
Home Garage Lift Clearance Checker
Check if a car lift, ramp or jack fits under your garage ceiling: usable rise, headroom and pass/fail from your own measurements.
Jack Point Pad and Adapter Picker with Height Stack
Check jack pad adapter fit: pick a pad type for your jacking point and see if the jack + pad height stack still fits under the car.
Low Profile Floor Jack Fit Checker
Enter your jacking-point clearance and target lift height to see which of 17 spec-verified low profile floor jacks fit under your car and reach.
Mechanic Creeper Clearance Checker
Check if you fit under your car on a creeper: enter ground clearance, creeper thickness and body thickness to see the gap or shortfall in inches or cm.
Motorcycle Jack Fit Checker
Check your bike's weight, frame clearance and lift height against the listed specs of 22 motorcycle lifts and jacks.
Transmission Jack Height and Capacity Planner
Enter transmission weight, your margin and mount height to see which listed transmission jacks reach your lift or floor job and carry the load.
Transmission Jack: Rent vs Buy Cost Calculator
Compare the cost of renting a transmission jack with buying one, and find the break-even number of jobs from your own rental rate and buy price.
Truck & Farm Jack Reach Checker
Enter lift-point, target and jack heights to see if a jack fits under your truck and reaches the height needed to lift the tire.