Free forever · no paywalls · no sign-up
MyCalc is free. Coffee isn’t.
One developer, a lot of late nights and 86 calculators that never ask for your email. If MyCalc saved you time, money or an argument, a small tip keeps it fast, free and ad-light for everyone.
- 0Free calculators
- 0Data we collect from your sums
- 0%Runs in your browser
A message from the calculators
“Our servers run on caffeine and good intentions. Your $3 covers the caffeine part.”
Pick your generosity level
Every coffee counts. Literally — we have a calculator for it.
Your $5, calculated
- ≈ 1.7 coffees for the developer
- ≈ 3.3 late-night bug fixes
- ≈ 100 lines of code (estimated, optimistically)
Calculated with complete scientific rigour and zero accountability.
You’re donating $5 💜
Secure checkout by PayPal — cards accepted, no PayPal account needed. We never see your card details.
🇮🇳 In India? Donate with UPI
Scan, pay, done. Zero fees.
Pay straight from GPay, PhonePe, Paytm, BHIM or any UPI app. No card, no PayPal, and 100% of it reaches the developer.
- Instant
- No fees
- Confirm the payee in your app
Scan to donate
with any UPI app
₹101
Payee: MyCalc · Note: “Donation to MyCalc”
💎 For our wealthy friends
Got money just… lying around?
Your yacht already has a smaller yacht. Your money has money. Your accountant keeps asking what “unused funds” are for. We have an elegant, calculator-shaped answer.
The Unused Money Calculator™
Recommended donation (0.01%)
$100
You won’t notice it. We absolutely will. 🥹
- Perks are 100% imaginary, gratitude is 100% real. No yachts were harmed in the making of this section.
The question every accountant asks
“Is my donation tax-deductible?”
Technically… no 😅. MyCalc is an independent project, not a registered charity, so you can’t claim it under Section 80G or as a 501(c)(3) deduction. But you do get these totally unofficial benefits:
- 100% emotional tax reliefFully deductible from your guilt, effective immediately.
- Karma creditNon-refundable, non-transferable, extremely powerful.
- Bragging rightsValid at dinner parties in all jurisdictions.
- A real tax calculatorOurs is free — and it’ll find you savings that actually count.
Where your coffee goes
Honest version: it all goes into keeping MyCalc running and growing.
Hosting & domain
Fast pages worldwide and keeping my-calc.net online.
New calculators
Time to research formulas, test them properly and ship new tools.
Developer fuel
The coffee behind every late-night formula and bug fix.
The Generosity Algorithm
// Peer-reviewed by zero economists function willYouDonate(you) { const timeSaved = you.calculations.length * 3; // minutes const coffeePrice = 3; if (you.heart.size() > 0) return donate(coffeePrice); // ← you are here 🎉 return shareWithAFriend(); // also a love language 💜 }
More from the maker
CalmCoins — budget from payday to payday, calmly
The same developer, the same “free and private” promise: payday envelopes, a debt planner and subscription tracking — with no bank connection.
Wallet says no? Your support still counts.
These are free, take ten seconds, and help MyCalc reach more people — which matters just as much.