What is the difference between flat and tiered commission?

A flat commission pays a fixed percentage on all revenue. A tiered commission pays increasing rates as reps hit higher quota thresholds - for example, 8% up to 100% quota, then 12% above quota. Tiered structures reward overperformers.

What is an accelerator in sales commission?

An accelerator is an elevated commission rate that kicks in when a rep exceeds their quota. For example, 10% below quota and 20% above quota. Accelerators incentivize reps to push past their targets.

How should you set sales quotas?

A common benchmark is to set quota at 4-5x a rep OTE. Quota should also be calibrated to what top 20% of reps actually achieve - if most reps are below 70% attainment, quota may be set too high.

Sales Commission Calculator

Model flat, tiered, and accelerator commission structures. Compare plans side by side and visualize earnings at every quota attainment level.

About Commission Calculator

What it does

Calculates sales commission payouts based on deal size, commission rate, accelerators, and quota attainment. Supports tiered structures and SPIFs.

Why it matters

Clear, transparent commission plans reduce disputes by 40% and increase rep motivation. This calculator helps both reps and managers forecast earnings accurately.

Definition

Sales commission is variable compensation paid to salespeople based on revenue they generate, typically expressed as a percentage of deal value with accelerators for exceeding quota.

Assumptions

Commission rates are applied to closed-won revenue
Accelerators kick in after 100% quota attainment
Calculations don't include clawbacks or split credits unless configured

How to interpret your results

Compare your OTE (On-Target Earnings) to industry benchmarks. If commission makes up less than 40% of OTE, the plan may not be motivating enough for top performers.

How to improve

Add accelerators above quota
1.5-2x multipliers for 100%+ attainment drive outsized performance
Pay monthly or bi-weekly
Faster payout cycles increase motivation and reduce turnover
Keep it simple
If a rep can't calculate their commission on a napkin, the plan is too complex

Plan A — Model:

Plan A Inputs

Plan A Configuration

Base Salary

Annual Quota

Commission Rate

Projected Annual Revenue

Plan A Results

Commission

$50,000.00

Total Comp

$110,000.00

Effective Rate

10.0%

Attainment Curve

80% of quota ($400,000)$100,000.00

100% of quota ($500,000)$110,000.00

120% of quota ($600,000)$120,000.00

150% of quota ($750,000)$135,000.00

How HelloGrowthCRM Helps

HelloGrowthCRM tracks every deal from first touch to close, giving sales managers real-time visibility into quota attainment and commission payouts. Built-in commission tracking eliminates spreadsheet errors, while AI deal scoring helps reps prioritize the opportunities that move them into accelerator territory faster.

How to evaluate a sales commission plan

A good sales commission calculator helps you compare payout behavior at multiple attainment levels, not just at 100% of quota. Flat, tiered, and accelerator plans each reward different behaviors. The best plan depends on whether you want maximum simplicity, more upside for top performers, or a compensation model that strongly encourages reps to push beyond target.

Leaders should test how the plan behaves for underperformance, quota attainment, and overperformance. If most reps never reach the accelerator band, the plan may not motivate the team the way you expect. If the payout curve becomes too expensive too early, the business can lose margin without improving sales execution. Comparing multiple scenarios is the fastest way to see those trade-offs before a plan goes live.

HelloGrowthCRM helps connect compensation planning to pipeline management, forecasting, and rep activity so plan design reflects real operating data instead of isolated spreadsheet modeling.