Tutorials and guides for Google Sheets and Excel — budgets, invoices, Gantt charts, wedding planning, habit tracking and content calendars.https://formulamill.com/en-ushttps://formulamill.com/blog/social-media-content-calendar-batching/https://formulamill.com/blog/social-media-content-calendar-batching/The batching workflow we use to fill a 31-day content calendar across five platforms in one sitting — plus caption hooks and hashtag sets.Fri, 23 Oct 2026 00:00:00 GMTcontent-calendarhttps://formulamill.com/blog/how-to-make-invoice-in-excel/https://formulamill.com/blog/how-to-make-invoice-in-excel/Create a professional, print-ready invoice in Excel or Google Sheets in under 10 minutes — automatic totals, tax and discount fields do the math for you.Fri, 23 Oct 2026 00:00:00 GMTinvoice-kithttps://formulamill.com/blog/google-sheets-automatic-budget/https://formulamill.com/blog/google-sheets-automatic-budget/Turn a plain expense log into a self-updating budget in Google Sheets — the exact SUMIFS formulas, dropdowns and conditional formatting we use.Fri, 23 Oct 2026 00:00:00 GMTpersonal-finance-dashboardhttps://formulamill.com/blog/habit-tracker-google-sheets/https://formulamill.com/blog/habit-tracker-google-sheets/Build a habit tracker in Google Sheets that counts your streaks automatically — the grid layout, the streak formula, and why 3 habits beat 10.Fri, 23 Oct 2026 00:00:00 GMThabit-goal-trackerhttps://formulamill.com/blog/wedding-budget-spreadsheet/https://formulamill.com/blog/wedding-budget-spreadsheet/A wedding budget spreadsheet that stays accurate as vendors quote and deposits land — formulas for budget vs. actual, vendor balances and RSVP totals.Fri, 23 Oct 2026 00:00:00 GMTwedding-event-plannerhttps://formulamill.com/blog/gantt-chart-google-sheets/https://formulamill.com/blog/gantt-chart-google-sheets/Build a Gantt chart in Google Sheets using only conditional formatting — bars draw themselves from start and end dates. No add-ons, no paid tools, no scripts.Fri, 23 Oct 2026 00:00:00 GMTproject-trackerhttps://formulamill.com/blog/personal-budget-google-sheets/https://formulamill.com/blog/personal-budget-google-sheets/A step-by-step guide to building a Google Sheets budget that works — plus the 5 formulas every budget needs and the mistakes that make people quit in week two.Tue, 20 Oct 2026 00:00:00 GMTpersonal-finance-dashboardhttps://formulamill.com/blog/google-sheets-vs-excel/https://formulamill.com/blog/google-sheets-vs-excel/The honest comparison for template buyers and builders — when Google Sheets wins, when Excel wins, and why we ship most templates in both formats.Sun, 18 Oct 2026 00:00:00 GMThttps://formulamill.com/blog/wedding-planning-checklist/https://formulamill.com/blog/wedding-planning-checklist/A month-by-month wedding planning checklist you can drop straight into a spreadsheet — plus how to track vendors, RSVPs and budget without losing your mind.Thu, 15 Oct 2026 00:00:00 GMTwedding-event-planner