Concrete Sealer Calculator

How much concrete sealer for driveways and patios.

GALLONS NEEDED
gal
concrete sealer

Usage Tip

Wait 30 days before sealing new concrete. Apply when temperature is 50-90°F and no rain for 24 hrs.

THE MATH
Gallons = Area × coats ÷ coverage
Where: typical coverage 250–350 sq ft/gal
• New concrete usually needs 2 coats
• Apply when temp is 50–90°F
Scroll to Top

The calculators and tools on Formula Factory are provided for general guidance and informational purposes only. Results are estimates based on standard formulas and the values you enter — they do not constitute professional engineering, electrical, or architectural advice. Always verify calculations with a qualified professional before making decisions for any safety-critical, code-compliance, or commercial application. Formula Factory makes no representations or warranties as to the accuracy or completeness of any result, and accepts no liability for errors, omissions, or any outcomes arising from reliance on this information.