One line of HTML. Any website, any CMS. Our calculators run in your visitor's browser —
no backend, no data leaving their device.
✓Works on any website
✓No WordPress needed
✓Mobile responsive
✓GDPR compliant
✓Auto-resize height
Embed Code Builder
Choose your calculator, configure it, and copy the ready-to-paste code.
⬚ Configure Your EmbedLive Preview
Changes update the code instantly
Languageen
Themelight
☀ Light
● Dark
Unit Systemmetric
Metric (kg/cm)
Imperial (lb/ft)
Width100%
Accent Color
Preview
healthcalcshub.com/embed/bmi?lang=en&theme=light
⚖BMI Calculator
Weight 70 kg
Height 175 cm
Calculate BMI
Your BMI:
22.9 Normal weight
HTML
ℹ
The embed includes a small "Powered by HealthCalcsHub" attribution link automatically. This is how we keep all embeds free — please don't remove it. It's also a genuine dofollow backlink that boosts your page's health authority.
Example Embeds
See how the calculators look in real use. Click any "Get Code" button to jump to the builder.
yoursite.com/bmi-checker
⚖ BMI Calculator
70 kg 175 cm
Calculate
22.9
Normal weight (BMI)
BMI · Light Theme · Purple
Ideal for fitness blogs
yoursite.com/daily-calories
🔥 TDEE Calculator
Age 28
Get My Calories
2,866
calories/day (TDEE)
TDEE · Dark Theme · Orange
Perfect for nutrition sites
yoursite.com/water-tracker
💧 Water Intake
Weight (kg) 70
Calculate
3.2 L
/ day · 14 glasses
Water · Light Theme · Teal
Great for wellness blogs
How it works
Three steps from here to live embed.
1
Choose a calculator
Pick from 9 calculators above or choose the all-in-one bundle with tabs.
2
Configure & copy
Set your language, theme, colors, and width. The embed code updates live.
3
Paste into your page
Paste the HTML snippet anywhere in your page source. Works on all CMSs.
WordPress (Classic Editor or Block Editor):
In the post/page editor, click Add Block → search for HTML → select Custom HTML block. Paste the embed code and click Publish.
For the Block Editor (Gutenberg): Press / to open the command palette → type HTML → select Custom HTML → paste your code.
Who uses this
Free embeds are used by bloggers, clinics, gyms, and media sites worldwide.
📝
Health Bloggers
Add interactive calculators to articles to increase time-on-page and reduce bounce rate.
🏥
Clinics & Doctors
Let patients check BMI, water needs, or calorie requirements before appointments.
🏋
Gyms & Trainers
Embed TDEE and body fat calculators on your PT website as lead magnets.
📰
Media & Publishers
Interactive tools on editorial pages increase engagement and return visits.
🎓
Educational Sites
Help students understand nutrition and fitness concepts with live calculators.