—— Request a Calculator
Suggest New Tools for Calculator Archive. Help us build the calculators you need. Calculator Archive listens to our users. Submit your calculator request today and we'll build accurate, free tools based on your suggestions. Your request shapes our library.
—— Why Request a Calculator from Calculator Archive?
Calculator Archive is built for users, by users. We don't just guess what calculators to build—we listen to real requests from students, professionals, homeowners, and everyday people who need specific calculation tools. When you request a calculator, you're helping us build a resource that serves millions.
Every request matters. We review every submission, prioritize based on demand, and build calculators that solve real problems. Our 830+ calculator library exists because users like you told us what they needed.
🎯 How Calculator Requests Work
Submit Your Request
Use the form below to describe the calculator you need. Be as specific as possible about calculations, variables, formulas, and expectations.
We Review
Our engineering team reviews every request within 48 hours for demand, complexity constraints, mathematical accuracy feasibility, and unique library value.
We Build
If approved, our engineers build your tool with verified equations, interactive results, step-by-step math explanations, and complete mobile optimization.
We Notify You
Once live, we send an email confirmation with a direct access link and permanent credit acknowledgment in the calculator description!
—— What to Include by Category
Select a category below to see detailed request checklists
—— Finance & Money Request Guide
Whether for homebuying amortization, tax progressive brackets, or credit card debt reduction snowball vs avalanche schedules, financial calculators have the highest priority in our build schedule.
- Loan type details (mortgage, personal, auto, student)
- Interest rate calculation method (compound intervals, simple interest base)
- Currency support requirements ($, €, ₹, £, etc.)
- Amortization table requirements showing monthly/annual splits
"Loan amortization with extra payments"
"Debt snowball vs avalanche comparison"
"Investment CAGR portfolio planner"
Requests by Category
| Category | Requests Submitted | Calculators Built |
|---|---|---|
| Finance & Money | 3,842 | 384 |
| Mathematics | 2,956 | 296 |
| Health & Fitness | 2,134 | 213 |
| Construction & Home | 1,567 | 157 |
| Unit Conversion | 1,234 | 123 |
| Date & Time | 987 | 99 |
| Statistics | 756 | 76 |
| Other | 371 | 99 |
Top Requested Calculators (Built)
✅ Recently Fulfilled Requests
Mortgage Affordability Calculator
Requested by: 2,341 users | Built: July 10, 2026
Keto Macro Calculator
Requested by: 1,876 users | Built: July 8, 2026
Business Days Calculator
Requested by: 1,654 users | Built: July 6, 2026
Decking Material Calculator
Requested by: 1,432 users | Built: July 4, 2026
Loan Amortization Calculator
Requested by: 1,298 users | Built: July 2, 2026
—— Request Success Stories
Request: "I needed to know how much house I could afford before talking to a lender. Other calculators were confusing."
Result: We built a calculator that shows both front-end and back-end DTI ratios with clear explanations.
"Calculator Archive built exactly what I needed! Now I know my budget and can house hunt with confidence."
Request: "I needed a calculator that determines keto macros based on my activity level and weight loss goals."
Result: We built a calculator with carb limits, protein calculations, and fat targets for keto diets.
"Finally, a keto calculator that actually works! I've lost 15 pounds using this tool."
Request: "I needed to calculate project deadlines excluding weekends."
Result: We built a calculator that adds/subtracts business days with custom weekend definitions.
"This calculator saves me hours every week. No more manual calendar counting!"
Request: "I needed to calculate how many decking boards and screws I need for my deck project."
Result: We built a calculator with board counts, fastener estimates, and waste factor options.
"I bought exactly what I needed. No waste, no extra trips to the store!"
— Frequently Asked Questions
About Calculator Requests
About Calculator Accuracy
About Calculator Features
—— Contact Us
Have unique partnership propositions, specific developer feedback, or a complex math project you'd like our engineers to build custom? Reach out directly via our email inboxes below.
—" Stay Updated
Subscribe to get notified immediately when your requested calculator goes live, when new tools are added, and when other popular requests are completed.
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