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Added October 1, 2026

GravelCalc - Free Gravel Calculator

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About the product

GravelCalc is a free online gravel calculator. Enter a rectangle, circle or total area plus depth to get volume in cubic yards, feet and meters, weight in tons, bag count and optional cost. Choose crushed stone, pea gravel, river rock or enter a custom density. Extra tools cover French drains, paver bases, driveways and cubic-yards-to-tons conversion. US and metric units, no sign-up.
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$35USD every 3 months

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