Calculators & Tools

Finders • Calculators • Quick Answers

Calculators & Tools

Sometimes you do not need another long article. You need the right paper size, the correct ribbon family, a menu-price estimate, or a simple way to understand a business number. RH Now's tools are built to help you get to the next answer faster.

Quick Answer

Use a finder when you are trying to match a supply to a device. Use a calculator when you are trying to understand a number or estimate an outcome. RH Now currently has live tools for receipt paper, printer ribbons, food cost/menu pricing, and payment-processing statement/fee analysis.

Get an Answer Faster

Choose the Tool Based on the Question

Product-matching tools start with the printer or device. Business calculators start with the numbers you already know. The result should help you narrow the next decision—not replace the underlying product specifications, merchant statement, or business records.

Core RH Now Tools

Finders & Calculators

Live

Receipt Paper Finder

Choose or search your printer, POS device, or payment-terminal model to narrow the paper size and type you need.

Open Receipt Paper Finder →
Live

Printer Ribbon Finder

Search the printer model or ribbon number to identify the correct ribbon family, color, and compatible or OEM options.

Open Printer Ribbon Finder →
Live

Food Cost & Menu Price Calculator

Enter food cost and a target food-cost percentage to estimate a menu selling price and understand the relationship between cost and target percentage.

Open Food Cost & Menu Price Calculator →
Live

Processing Rate Calculator

Analyze an actual statement or estimate a quote using percentage rates, per-transaction/swipe fees, authorization/EDC charges, batch fees, monthly fees and other processing costs.

Open Processing Rate Calculator →

Which Tool Should I Use?

Start With the Question You Are Trying to Answer

Good to Know

Tools Help Narrow the Answer—Then Verify the Details

Compatibility results should still be checked against the exact device model and product specifications. Calculator results are estimates based on the values entered and should be reviewed alongside the business's actual statements, costs, contracts, or operating records.

Frequently Asked Questions

Calculators & Tools FAQ

What is the difference between a finder and a calculator?

A finder helps match a product or supply to a device/model. A calculator uses numbers you enter to estimate or explain a business result.

Are the finder results guaranteed to fit every hardware configuration?

No. Hardware generations and configurations can vary. Verify the exact printer or terminal model and product specifications before ordering.

Does the Food Cost & Menu Price Calculator set the price I should charge?

No. It estimates a selling price from the food cost and target percentage you enter. Actual menu pricing can also depend on labor, overhead, market position, portioning, taxes, fees, and other business considerations.

What will the Processing Rate Calculator measure?

It will estimate the effective processing rate for a period by comparing processing-related fees with the card-processing volume entered.

Where can I find supply compatibility help beyond the finders?

Use the RH Now Supplies & Compatibility Hub for receipt paper, ribbons, labels, model-specific guides, and buying checklists.

Related RH Now Resources

Go Deeper When You Need More Than a Quick Answer

Reviewed by RH Now • Last reviewed: October 10, 2026