Simple, Transparent Pricing
All 5,000+ calculators are free forever, with no sign-up required.
Free
Everything you need to calculate.
- All 5,000+ calculators
- Real-time results & charts
- Shareable result links
- 5 saved calculations
- 100 API requests/day
- Community support
- Ads displayed
- CSV/PDF export
- Unlimited history
- Embeddable widgets
Pro
For power users who calculate daily.
- All 5,000+ calculators
- Real-time results & charts
- Shareable result links
- Unlimited saved calculations
- 10,000 API requests/day
- Priority support
- Ad-free experience
- CSV/PDF export
- Unlimited history
- Embeddable widgets
Business
For teams and businesses that need more.
- All 5,000+ calculators
- Real-time results & charts
- Shareable result links
- Unlimited saved calculations
- 100,000 API requests/day
- Dedicated support
- Ad-free experience
- CSV/PDF export
- Unlimited history
- Embeddable widgets
No Ads
Keep everything on Free. Just lose the ads.
Feature Comparison
| Feature | Free | Pro | Business |
|---|---|---|---|
| Calculators | 5,000+ | 5,000+ | 5,000+ |
| Real-time results | |||
| Charts & visualizations | |||
| Shareable links | |||
| Advertisements | Yes | No | No |
| Saved calculations | 5 | Unlimited | Unlimited |
| Calculation history | 7 days | Unlimited | Unlimited |
| CSV/PDF export | |||
| API requests/day | 100 | 10,000 | 100,000 |
| API rate limit/min | 10 | 100 | 500 |
| Embeddable widgets | |||
| Team accounts | |||
| Custom branding | |||
| Support | Community | Priority | Dedicated |
Frequently Asked Questions
Can I use Calcimator for free?
Yes. Every calculator on Calcimator is free to use, with no sign-up required. The free tier includes all calculators, real-time results, charts, and shareable links. Paid plans add convenience features like ad-free usage, export, and higher API limits.
How do I sign up for Pro, Business, or No Ads?
Click Subscribe on the plan you want. You'll be asked to sign in (or create a free account) if you haven't already, then taken to Stripe's secure checkout to complete payment. Your plan takes effect automatically once payment succeeds.
What's the difference between No Ads and Pro?
No Ads is a small standalone add-on for people who only want the ads gone and don't need anything else — it keeps every other Free-tier limit (saved calculations, API requests, history) as-is. Pro bundles ad-free usage together with higher limits, export, and unlimited history for one monthly price.
How do I cancel or change my plan?
From your dashboard's Billing page, click Manage Billing to open Stripe's secure customer portal — you can upgrade, downgrade, update your payment method, or cancel at any time. Cancellations keep your current plan active until the end of the billing period you already paid for.
Is there a free trial for paid plans?
No. The Free tier already gives full access to every calculator, so you can decide whether a paid plan is worth it before paying anything — paid plans only add quality-of-life features like ad-free usage, export, and higher API limits.
What is the API and who is it for?
The Calcimator API lets developers run calculations programmatically. It's useful for integrating calculator functionality into your own apps, dashboards, or workflows. Free users get 100 requests per day, which is enough for testing and light usage.
Start Calculating for Free
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