Christmas calculators
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Christmas planning in one hub: will the tree fit your ceiling, how many lights and ornaments, garland and wreath sizing, wrapping paper from box dimensions, daily tree water, ham and prime rib portions with oven start times, stuffing and pie counts, cookie-exchange dozens, hot chocolate for a crowd, a multi-dish oven schedule, and a holiday time-off optimizer. Live countdown to December 25 or Orthodox January 7.
Turkey size and thaw tools cover many Christmas dinners — we link them from here rather than duplicating. Advent start is liturgical (fourth Sunday before Christmas), not December 1 retail calendars. Sinking fund math helps spread gift savings across the year. Meat timing cites USDA FSIS guidance — use a thermometer, not the clock alone.
15 tools in this section
Days Until Christmas
Count down to Christmas Day from today. Western Dec 25 or Orthodox Jan 7 — live countdown, shopping weekdays, and sleeps until the holiday.
Christmas Tree Height
Find the tallest Christmas tree that fits your room from ceiling height, stand, topper, and clearance. Optional floor width for full vs slim trees.
Christmas Lights
Estimate Christmas light bulbs and strands for a tree (by height and density) or roof outline (by length and spacing). LED vs incandescent watt estimates.
Christmas Ornament
Estimate how many Christmas ornaments and feet of garland you need from tree height, ornaments per foot, and garland wraps.
Christmas Garland
Estimate garland length for stairs, mantel, railing, or wreath size from door width. Drape factor adds slack for swags.
Wrapping Paper
Estimate wrapping paper rolls from box dimensions, overlap, and roll size. US inches or metric centimeters with unit toggle.
Christmas Tree Water
Estimate daily water use from trunk diameter and how often to refill your stand. Based on NC State Extension tree care guidance.
Ham
Plan holiday ham weight from guests, bone-in or boneless portions, cook time for fully cooked vs fresh ham, and when to put it in the oven.
Prime Rib
Plan prime rib roast weight, doneness timing, and oven start from guest count and serve time. USDA FSIS beef guidance.
Stuffing
Estimate stuffing volume and dry mix bags from guest count and cups per guest. Side-dish planning for Christmas dinner.
Christmas Dinner Timing
Back-plan ham, potatoes, and rolls from serve time. Editable cook and rest minutes — warnings when oven temps conflict.
Pie
Estimate pies to bake from guest count and slices per guest. Standard 8-slice pie planning for Christmas dessert.
Cookie Exchange
Plan how many dozen cookies to bake for a holiday cookie swap from guest count and dozens each person brings.
Hot Chocolate
Estimate milk gallons and cocoa packets for holiday parties from mug count and ounces per mug.
Holiday Time Off
Find the longest break using limited PTO days between public holidays. Default US holidays Dec 25 and Jan 1.