Here’s What to Write in a 40th Birthday Card (85 Examples)

Turning 40 is a significant milestone that often brings a mix of emotions, excitement, and reflection.

This collection of messages aims to inspire you with the perfect words to capture the essence of this landmark birthday, ensuring your card resonates with celebration, encouragement, and warmth.

85 Examples of What to Write in a 40th Birthday Card

• “Welcome to the fabulous 40s – where the adventures are bigger and the joys are deeper!”
• “Happy 40th Birthday! May this decade be the most unforgettable one yet.”
• “40 is when life starts to show you its best colors. Enjoy every hue of this wonderful milestone.”
• “Cheers to 40 years of incredible you! Here’s to making more amazing memories.”
• “Life begins at 40! Embrace this new chapter with all the passion and enthusiasm you have.”
• “Happy 40th! May this milestone be the beginning of a new era of prosperity and happiness.”
• “At 40, you’re not getting older; you’re leveling up to a more awesome version of yourself!”
• “Welcome to the 40s club, where life gets even more interesting, vibrant, and fulfilling.”
• “40 is just a number, but you make it look like a grand celebration. Happy Birthday!”
• “Happy 40th Birthday! May this year bring you as much joy and happiness as you bring to everyone around you.”
• “On your 40th, remember that age is merely the number of years the world has been enjoying you.”
• “Here’s to 40 years of incredible moments and the many more that are sure to come. Happy Birthday!”
• “Happy 40th! May this new decade be filled with new adventures, dreams fulfilled, and great achievements.”
• “40 and fabulous! Embrace this beautiful milestone with all the grace and courage you possess.”
• “Congratulations on hitting the big 4-0! May this decade be your best one yet.”
• “On your 40th, may you continue to inspire those around you with your wisdom, kindness, and strength.”
• “Happy 40th Birthday! Here’s to the perfect blend of experience, youthfulness, and wisdom.”
• “At 40, life is just getting started. Here’s to more adventures, laughter, and milestones.”
• “Welcome to your 40s – an age of discovery, fulfillment, and endless possibilities!”
• “40 is not just a milestone; it’s a testament to all the wonderful things you are. Happy Birthday!”
• “Cheers to you on your 40th! May this decade be as wonderful and inspiring as you are.”
• “Happy 40th Birthday! May your heart be as light and joyful as it has ever been.”
• “On this significant milestone, remember that 40 is only the new 30 with an extra decade of wisdom.”
• “Your 40th is a celebration of 40 years of you being an amazing person. Cheers to many more!”
• “At 40, every experience, every challenge, and every joy has contributed to the incredible person you are today.”
• “Happy 40th! May this birthday mark the beginning of your most exciting and fulfilling chapter yet.”
• “Welcome to 40, where life becomes even more about cherishing moments and making memories.”
• “On your 40th, may you be surrounded by all the love, joy, and laughter you so richly deserve.”
• “Happy 40th Birthday! Here’s to embracing this new decade with an open heart and a spirited soul.”
• “At 40, you’ve gathered a treasure trove of memories and experiences. Here’s to adding many more jewels to that collection.”
• “Celebrating 40 years of you being a blessing to everyone around you. Happy Birthday!”
• “On your 40th, remember that you’re not just gaining another year; you’re gaining another year of amazing you.”
• “Happy 40th Birthday! May your wit remain sharp, your heart remain young, and your spirit remain untamed.”
• “Welcome to the age of elegance, wisdom, and the perfect balance of youth and experience – Happy 40th!”
• “40 looks good on you! Here’s to this new decade being as extraordinary as you are.”
• “Your 40th is a milestone that celebrates not just age, but all the life, love, and laughter you’ve brought into this world.”
• “Cheers to you on your 40th Birthday! May this year be a gateway to a lifetime of happiness.”
• “Happy 40th! Remember, age is just a number, but yours is particularly impressive.”
• “On this 40th milestone, may every day forward be filled with the same joy and love you bring to others.”
• “40 is when you can finally appreciate the finer things in life, like good friends, quiet moments, and the joy of being you.”
• “Happy 40th Birthday! May this special day bring you endless joy and year after year of happiness.”
• “At 40, you’re the perfect mix of wisdom, maturity, and youthful exuberance. Celebrate every moment!”
• “Your 40th birthday is a celebration of life, love, and all the wonderful things to come. Cheers to you!”
• “On your 40th, may you continue to defy age, redefine norms, and inspire those lucky enough to know you.”
• “Happy 40th Birthday! May this new decade be as radiant, remarkable, and rewarding as you are.”
• “40 is a milestone that says ‘Look how far I’ve come’ and ‘Look how much more I can do.’ Embrace it all!”
• “Welcome to 40, where every moment is an opportunity to shine even brighter. Happy Birthday!”
• “On your 40th, celebrate not just the years in your life, but the life in your years.”
• “Happy 40th Birthday! May this year be a testament to your enduring spirit and zest for life.”
• “Cheers to 40 years of being an inspiration, a confidante, and a true friend.”
• “At 40, you’re not aging; you’re upgrading. Here’s to the best version of you yet!”
• “Your 40th birthday is a landmark of your journey’s beauty, depth, and accomplishments. Celebrate in style!”
• “Happy 40th! May this milestone be the start of a decade filled with dreams realized and new adventures.”
• “40 is a perfect age. You’re old enough to recognize your mistakes but young enough to make some more. Cheers!”
• “On this 40th birthday, may your spirit be as vibrant as ever, and your heart as full of joy.”
• “Happy 40th Birthday! May your wisdom continue to grow, but may your heart always stay young.”
• “At 40, every day is an opportunity to embrace life with passion and enthusiasm. Seize every moment!”
• “Welcome to 40, a time to celebrate the wonderful person you’ve become and the amazing journey still ahead.”
• “Happy 40th Birthday! Here’s to continuing to fill the pages of your life’s story with adventure, love, and joy.”
• “On your 40th, remember that the best is yet to come. Embrace this new chapter with open arms.”
• “Cheers to 40 years of incredible you and to the many more years of adventures that await!”
• “Your 40th is more than a birthday; it’s a milestone of all you’ve achieved and the wonderful things yet to come.”
• “Happy 40th Birthday! May this year bring you as much happiness and joy as you’ve given to those around you.”
• “At 40, life is just picking up speed, and the best rides are yet to come. Buckle up and enjoy the journey!”
• “On your 40th, may you be blessed with laughter, love, and everything that brings you happiness.”
• “Happy 40th Birthday! Your journey so far has been nothing short of inspiring. Here’s to many more memorable moments.”
• “Here’s to 40 years of wonderful you! May your 40th birthday be the start of a decade that brings your heart’s desires.”
• “40 is a badge of honor, a sign of experiences gathered, lessons learned, and a life well-lived. Wear it proudly!”
• “On this significant milestone, know that your 40 years have enriched the lives of those around you. Happy Birthday!”
• “Happy 40th Birthday! May this special day reflect all the joy and beauty you bring into the lives of others.”
• “Cheers to 40 years of you being a shining example of what it means to live life to the fullest.”
• “Your 40th birthday is a celebration of the amazing person you are and all the wonderful things yet to come.”
• “At 40, every moment is a new opportunity for joy, discovery, and making cherished memories.”
• “Happy 40th Birthday! Here’s to you—more fabulous, vibrant, and full of life than ever.”
• “On your 40th, may you find even more reasons to smile, more adventures to embark on, and more dreams to pursue.”
• “40 years have only added to your brilliance. May your birthday sparkle as brightly as you do!”
• “Your 40th birthday is a testament to the incredible journey you’ve had and the even more incredible journey ahead.”
• “Happy 40th! May this milestone be a celebration of all that you’ve accomplished and a toast to the adventures that await.”
• “Turning 40 is a celebration of life’s blessings, the wisdom gained, and the paths yet to be explored.”
• “Happy 40th Birthday! May your heart be as light, your spirit as free, and your joy as boundless as ever.”
• “Here’s to 40 years of being undeniably you. May your 40th birthday be as unforgettable as you’ve made all our lives.”
• “On your 40th, celebrate not just the passing of years, but the incredible person you’ve become.”
• “Happy 40th Birthday! Your grace, resilience, and spirit are what make you truly one of a kind.”
• “40 is a milestone that reflects your journey’s beauty and the promise of all the wonderful things to come.”
• “Cheers to 40 years of you! May this birthday bring you laughter, love, and the start of your best decade yet.”

Related content:
Here’s What to Write in a 30th Birthday Card!
Here’s What to Write in a 20th Birthday Card!

Celebrating a 40th birthday is a wonderful opportunity to reflect on the journey thus far and to look forward to the adventures that lie ahead.

These messages are designed to capture the joy, wisdom, and anticipation that turning 40 brings, offering a variety of sentiments to suit the unique individual celebrating this milestone.

Whether it’s a message of joy, reflection, or encouragement, each one is a testament to the life they’ve lived and the wonderful experiences yet to come.